The following are from this years NFL Combine. Does anyone else take into consideration the surface where the 40 is run and the shoes that are worn? For the curious, Bolt's world-record 9.58-second 100 meters would be a 3.50 40 when converted in the same manner. `qpM:>i(%!Pw]] ]usbuausC]AU6"-Z ].|e=rXl(o2*7k.u;A8p&*Lmuwu To provide the best experiences, we use technologies like cookies to store and/or access device information. Then, For Male athletes = (Time for 40 yards 10) + 2 seconds For Female athletes = (Time for 40 yards 10) + 4 seconds Thus, for a man, a 4.6 40 yard dash is (4.6 seconds x 10) + 2 = 48.0 Since 1 inch equals .0254 meters, 3600 inches Acetic acid and sodium hydroxide titration equation, Evaluate square root functions calculator, How much water i need to drink calculator, Ncert solutions for class 7 history chapter 6, Properties of parallelograms answer key geometry, "solve the system of linear equations by elimination. Tebow, Tim 4.72 Type in the time or mark in the blank above, select the event or function from the drop down menu, and click convert. 440-yard relay to 4x100-meter relay subtract .2 sec. These are the steps that you should follow in order to make the necessary calculations to convert 100 Meters to Meters. Thanks for taking my email and turning it into this article. stream In 1964, Bob Hayes set the WR of 9.1 seconds for 100 yards which was equaled by John Carlos in 1969. Essentially, reaction time must be accounted for when calculating these times. Then again, the WR for the standing long jump is held by a shot putter, and not a long jumper! The NFL Scouting Combine starts this week, and the fastest of the pro football prospects will be sprinting to beat the 40-yard time of East Carolina running back Chris Johnson, who flashed across the distance in 4.24 seconds in 2008. How stupid and ignorant are you. So I trained like a 400/800 guy for a bit, came back and had a huge PR in the 200 go figure. If you dont believe it just ask him. You can argue how fast John Carlos 9.1 would be if he had better spikes, better training, and faster tracks, but Ill save that for the documentary. Jackson, Kareem 4.48 Renaldo Nehemiah is a name that comes to mind as I think of speed and playing football in the Bay Area. Speed/acceleration/explosiveness are usually THE most important factors in football. Running a 100 yard dash in 12.1 is equivalent to In 1986, when Jackson ran his combine 40, Calvin Smith was the world's fastest human, and his world-record 100-meter time of 9.93 seconds would be 3.63 seconds when reduced to 40 yards. Ive divulged my times obviously for merely discussions sake My observations based on my times are not obviously that of an elite sprinter in the past, but just as one interested in training aspects and athletic performance and as an avid spectator and enthisiast. 3 downs are hard to sell? I believe if you read transfer of training if would be better to go just above or below to get close to the predictor of times. McKnight, Joe 4.47 But what would happen if they trained seriously for the event and reached their top speed earlier? Just like 100m specialize in 100 meters, NFL players specialize in 40 yards or less. convert these earlier performances. Wright, Major 4.48. Ford, Jacoby 4.28 I would have to agree with the first comment as this just does not seem to add up. Someone chose 40 yards as the distance a football player needs to run, just like 72 ounces (4.5 pounds or over 2 kilograms!) Im not sure why you seem to be talking smack when it doesnt appear that you have been called out by anyone. McCluster, Dexter 4.58, Wide Receivers in yards into its equivalent distance in meters. Harbor, Clay 4.69 Since this is the case, you can't just do a mathematical extrapolation. Theres still a big difference between 50 meters and 40 yards, but its a much better comparison than 100 meters vs 40 yards at least. So while it would be a good predictor for a 400m specialist as far as top potential, I think its rather limited for sprinters in general. As a coach, I have found it much easier to start with anaerobic alactic and work around until I reach my goal of training either to 500 or 600 meters in distant. Peace One Day, September 21, 2009 - Adidas and Puma Celebrate, Jim Hiserman - Developing 800m Runners: Identifying, Categorizing and Developing 400m-800m Type Athletes, Jim Hiserman - Developing Distance Runners Volume 2: A Systematic Approach to Developing Individual Success within a Dynamic Team Culture, Tony Holler's "Feed the Cats" Complete Sprint Training Program, Bud Winter & Arthur Lydiard MP3 [Download only]. Brown, Jarrett 4.54 Just multiply by 10. Whats the big deal with numbers? Linebacker Jamar Chaney Philadelphia 7th round They dont have the time to pace themselves like with the 100 meter sprint. The technical storage or access that is used exclusively for anonymous statistical purposes. Periodend of story. just sayin:). In this table the measurements of 9.63 seconds and 100 meters are not exact. I believe it is quite possible football players can beat some world class sprinters to the 40, but because they dont reach top speed until at least 60m, we cant really draw a parallel by suggesting that the best combine footballer could win Olympic Gold in the 100m. Based on these results, in theory, you could extrapolate your 100 yard dash time by adding 0.8 seconds if you were an elite sprinter. While simple, The assumption has been that Jackson's 4.12 was a hand-timed 40. If it's a short-legged 5-5 guy with great reactions vs. a long-legged 6-2 one, the short guy may beat the big guy to the 40 point every time, but be left yards behind by the time you get to the 100 . 110-yard LH to girls 100-meter LH subtract .1 sec. Some coaches do train sprinters over the distances that you suggested. Easley, Marcus 4.46 Los Angeles Raiders running back Bo Jackson carries the ball against the Seattle Seahawks during an NFL game on Dec. 1, 1987. So even if the combine uses electronic timing (from breaking the plane of the laser to the finish) there is about a 0.2 difference in times. There's no doubt Jackson was fast. It came out as follows. Calculating the yard conversion factor Without a subpoena, voluntary compliance on the part of your Internet Service Provider, or additional records from a third party, information stored or retrieved for this purpose alone cannot usually be used to identify you. There has been a lot of buzz on how fast Usain Bolt could run a 40 yard dash, which were fuelled by the Chris Johnsons recent 40 yard challenge to determine the Worlds Fastest Man. I looked up a few people with times for both and it seems reasonably close. Its saying a 4.6 40 yard dash has the POTENTIAL of running 48 seconds for 400 meters based on raw speed. Football season is around the corner, so its time for yet another 40 yard dash post. There is obviously a cross-over between the two sports. Could be above or below that by one or even two tenths depending on the "procedures" and methods of attaining that 40 yard time, but that's likely still generally where you're going to land. he didn't let up, didn't appear to slow down, but they were still gaining speed and he wasn't. Hmmmm. Check out some threads by jhawk and its some other guy that has a long thread and is very knowledgable fullback7 read stuff he has on here its all very helpfulit helped me out. Taking Jackson's fastest time of 6.18 seconds in the 55-meter dash in Auburn's track and field recordsand projecting it to 40 yards (an inaccurate exercise since the math counts every yard as having been run at the same rate), he shows enough speed to run a 4.11 40. Maybe after years of training to carry their speed down the track for 400 meters to get to their potential 400 time. Sorry, just dissapointed with all this stuff about why would you call the 40 meter yard dash crap or fact. Note they ran the 100 yards up until the early 1970s but on the Olympic year, they ran the Nationals (which doubled as the Trials) in meters. I wonder what position Mr. Bolt would be the most effective at if he ever had been brought up to play football. Two guys could have similar 200 times, but guy A finishes strong and guy B has been hanging on for the last 60 meters of the race. I could still run that fast in spikes on a track until I was 40. Double check the distance. U,QKV9Y ZX[%S^ZW$CIAfJWUrc[]t/h!DP !9A E#d@&s Kyle Brazeil, Contact Us The 100m sprint is not a paced race. Williams, Trent 4.88 Football players, especially NFL players, ARE world class athletes/runners, often times with world class speed, so dont you think they would want to exploit that talent by making millions in the NFL ? Ok everybody lets get this straight first of all. factor from the table below is 91.44. NOTE: This procedure is suggested for seeding purposes ONLY, and should not be considered accurate for converting records from English to metric, or vice-versa. The question is: Was that time accurate? You certainly explained it much more succinctly than I did when I broached the subject with you. Agreed. Below is a video comparing who is really faster, Deion Sanders 4.17 or Usain Bolt. Also,it is very disrespectful for any coach to interfear with another coach athletes even if they are not in training season. Spiller, C.J. There is no intentional hold back on the throttle until you get to 60 meter mentality out there. Alem, Rahim 4.75, Linebackers Tennant, Matt 5.16 So I turned in a great 40. I am a Masters Athlete and Coach currently based in London UK. And the trophy for the league has been around for 100 years! In order to convert from [m] to [m]. what was your best 200 meter time? (In reality, the problem is a nice thing to have, right? In the above article,these are elite athletes! Offensive Lineman Bruce Campbell Oakland 4th round In my example, we are ASSUMING world class sprinters can reach top speed at 30m, and not between 50-60 meter mark. Yes, many 100m sprinters obviously have fast 40 times but, more often than not, their fastest times come after a full 100 meters, not 40 yards. I have seen and heard of guys like you that dispute everything. So, if you have a 10 second 100-yard dash, you are going about 20.5 mph. The basic procedure is that of interpolation, taking the following steps Roberts, Andre 4.46 If not, train and you will be faster. It's not true electronic timing because while the clock is stopped electronically at the finish line, it's started by hand on the first movement by the runner. This is considered the combine's "modern" recordfor the 40. This is simply due to the fact of reaction time. Thats all. One of the quickest and oldest 40 yard dash predictor for 400 meter talent (or any sprinting distance) is running a 40 yard dash. Terms of Use x = 40 time x/2.54 + 2x ~ 100m time Charlie Francis Community Forums 40yard dash to 100 meter time converter So do we assign Jackson a 4.36-second time and declare Johnson the combine 40 champ? Prior to the early 1980s, all running events were run in yards. Sapp, Ricky 4.70 If you want compare the 40-yard split of a runner in a 100 meter event, subtract .25 seconds from the recorded time. After reading the comments, I double checked the reference and I think they made a mistake. As soon as he starts, the clock starts. Chaney, Jamar 4.54 The technical storage or access is required to create user profiles to send advertising, or to track the user on a website or across several websites for similar marketing purposes. The 40-yard sprints at the combine have had semi-electronic timing since 1999. The combine's football players run in cleats on a synthetic playing field (in Jackson's case in 1986, Astroturf). The track at Seoul 1988 was nowhere near as fast as todays hard tracks favoring sprinters. International Association of Athletics Federations says to add 0.24 seconds, comparison to the times of world-class sprinters, qualify for the NCAA indoor championships in the 60-yard dash twice, reaching the semifinals at the national meet, 6.18 seconds in the 55-meter dash in Auburn's track and field records, Buy newspaper front pages, posters and more. This is something that can be acquired through training. Most of the great 40y times that you hear about in football are hand times. Wide Receiver Jacoby Ford Oakland 4th round 10/10=1 What event was it. I understand your desire to contribute, Mary, but you are wrong on numerous levels beginning with your understanding of football. Homework is a necessary part of school that helps students review and practice what they have learned in class. The conversion calculator has been around MileSplit longer than almost any other remaining feature on the site! Time/Mark to Convert. Ben Johnsons 9.79 could easily have been under 9.70 if he ran through with todays track. I decided to use their data and your excel sheet/formula to try and estimate what the fastest 40-yard dash possible might be. T LQDl7*(0d>gIt.h# G2!Q( v It seems to me that it would be much more accurate to find the coraltion between 40 times and 400 times if you took elite 400 meter runners (who are close to their potential) and time them in the 40 yd dash.I would asume that a collegite athlete that can run a 48 or 47 400 could easily run a 4.8 or 4.7 40;at the same time im sure their are plenty of high school kids that can run a 4.6 40 that could not run better than a 50. or 49. quarter. I feel I should have run 47-mid or better, so I definitely agree that the 40-yard predictor is just a guess. I got by my senior year without power cleaning but by all means, don't skip them, they are crucial for runs like the 40 and just getting a good start on the 100m. Click here to download the free ebook of Alberto Juantorenas detailed training workouts leading up to the 1976 Montreal Olympics, Last Updated on May 21, 2014 by Jimson Lee. You have to overcome inertia, then reach top speed as fast as possible. There is no fixed rule. That is, 100 yards is equal to 91.44 meters (making Sorry, but I think yours was the least civil tone in this whole discussion. To provide the best experiences, we use technologies like cookies to store and/or access device information. During the 1986 combine at the Superdome in New Orleans, Auburn running back Bo Jackson recorded a 4.12-second 40, a feat so extraordinary it's become part of Jackson's legend, a subject for conjecture, speculation and comparison, so much so that current combine stories qualify references to the 4.12 with words such as "reportedly," attribute the time to "rumor," or describe it as an "urban legend.". two-mile relay to 4x800-meter relay subtract 2.8 sec. Davis, Dexter 4.64 it is widely used by the running community due to its ease of use and accuracy. To Joey Fowler You are absolutely correct in your assumptions. - Gold Academy If you have a 100-yard dash time, divide it into 205 to get an approximate miles per hour speed. Instead the whole point of the 40 yard dash is because the average amount of yards for a kick is 40 yards and a player needs at least 5 seconds to run there and get the ball before the other team does, so they needed a fast starting time with their top speed. Bless you but your and Marys irrational conclusions dont make them correct. But without the stamina (and to some degree youre born with that potential wise), and the raw drive and toughness you still wont run well. Stop drinking sodas and last but not least if you wanna be fast you have to WANT it. 10.06 for 100m converts to 40 Yard Dash = 04.19. That makes a grand total of 8.75 + 0.12 = 8.87 seconds for an approximate 100 yard dash. In order to convert from [m] to [m] . Your assumpions are flawed. These guys leave nothing to chance. Thats exactly right. I am a Masters Athlete and Coach currently based in London UK. All rights reserved (About Us). That of course is rediculous. ,+Z =aR3LV![^BRFKz&%AhfV)9K-FnAw}B B A( Fd"F}cbP<4kfy?yT#PQ(CiA2'O?tBvVm;2,Iu a%B)xTpwt){Yd+U.eZ2VKRCdI#Yd: Yea it was electronic but i feel i need to be in the 47s or 48s as a junior do you have any tips or strategies for me to get there? For example, USA Today had a front-page storyabout the feat. https://www.youtube.com/watch?v=0xbs-aWxyLk, IFAC 2022: The Return of In-Person Conferences (with Virtual option), Here is our 400m Discussion Recording over 2 Hours Long, The Best Free Coaching Book post Beijing 2022 Olympics, The Ultimate 400m Track Webinar for Coaches & Athletes, NACAC Athletics Coaching Science Series 2022, Top Six 400m Predictor Workouts (Number 4 is my Favourite), Why Karsten Warholms 45.94 400mH WR is my Highlight of 2021, Sprinting: 10 Research Articles for Effective Sprint Training [Part 23], Pressure in Sports Reflections from Tokyo 2020 Olympics, For Male athletes = (Time for 40 yards 10) + 2 seconds, For Female athletes = (Time for 40 yards 10) + 4 seconds. Conner, Kavell 4.63 Dont you hate it when you look at the splits, subtract their reaction time, and calculate Ben Johnson only ran 4.37 and Usain Bolt ran 4.35? A civil tone when addressing others regardless of where the true balance lies is often a virtue. English distances for field events should always be expressed as feet dash inches. Their results in the various drills will be available almost instantaneously on NFL.com. Why? Calculating the yard conversion factor The yard conversion factor is simply the result of converting the distance in yards . What is your best 40 yard dash time and 400 meter time? http://www.nfl.com/combine/top-performers, https://www.youtube.com/watch?v=0xbs-aWxyLk, IFAC 2022: The Return of In-Person Conferences (with Virtual option), Here is our 400m Discussion Recording over 2 Hours Long, The Best Free Coaching Book post Beijing 2022 Olympics, The Ultimate 400m Track Webinar for Coaches & Athletes, NACAC Athletics Coaching Science Series 2022, Top Six 400m Predictor Workouts (Number 4 is my Favourite), Why Karsten Warholms 45.94 400mH WR is my Highlight of 2021, Sprinting: 10 Research Articles for Effective Sprint Training [Part 23], Pressure in Sports Reflections from Tokyo 2020 Olympics, the 0-10m segment is the same as the 100 meters (Phase 1), the 10-20m segment is an average speed of the 10-30m segment in a 100m (Phase 2), the 20-30m segment is an average speed of the 30-50m segment in a 100m (Phase 3), the last 6 meter segment is a pro-rated speed of their top end speed (50-60m) in a 100m (Phase 4). If you need to estimate measurements quickly when you are out and about, download the Moasure App. You guys are missing a very key factor here. I, myself, have no idea but it would be interesting to find out with regards to each individual sprinter. If you as a coach dont believe in the 30-40 training theory then say it! A hand-timed 40y starting the watch on the first movement of the athlete is going to be about 0.16+0.29=0.45 seconds faster than an electronically timed start in a formal track race. https://speedendurance.com/2010/10/10/the-soccer-football-30-meter-sprint-test/. Example: 300 Meters to 400 Meters 300 Meters time: 35.12 seconds As kids develope on many different levels. PS I ran the 60 in indoor track. Reply. 4.3-4.4 is only average? running event records exist in both meters and yards it is necessary to How accurate is this formula? The fastest 30 meters ever recorded is 3.60s without a reaction time. And weve also met the guys who have good speed who say are jumpers or 100m guys, etc, and they run an amazing 400 the first time out, because they have great natural endurance and have the toughness component. Since you're only 14 and just gettin testosterone in adequate amounts man its kinda hard to say + i'm no expert. When I train anaerobic alactic,I train from 10-80. For example: 155-6.5 would be 155 feet and 6.5 inches. As a busy student, I appreciate the convenience and effectiveness of Instant Expert Tutoring. Do you think world class sprinters and their coaches do not concern themselves with split times? At that time, the 100 meter World Record was 9.9 hand timed. The answer could vary a huge amount depending on who runs it. Maybe one day Usian can hold 11 world records concurrently? A good or bad 40 yard dash time can make or break a football combine. you guys have to remember that you cant compare a football 40 yard dash with a track 40 yard split time because they are fundamentally different. Clayton, Keenan 4.66 In recent years, Jackson's 40 has been a subject of comparison to the times of world-class sprintersto show, oddly enough, that he couldn't have run that time and that he most certainly could have. Formula to convert forty yard times to miles per hour mph = 3600 / (4.50 * 44) Substitute in your forty yard dash time in seconds mph = 3600 / 198 Calculate the brackets to get the number of seconds it would take to run a mile mph = 18.18 Divide the number of seconds in an hour, 3600, by your time per mile, 198. Miller, Lonyae 4.53 TO CONVERT TIME FROM: 100 yards to 100 meters add .9 sec. To an extent the 200m is, but not 100m. Privacy Policy The NFL does not keep official recordsof combine performances. 100 m to yd conversion. Robinson, Zac 4.71 NOTE: This procedure is suggested for seeding purposes ONLY, and should not be considered accurate for converting records from English to metric, or vice-versa. My 40yd time is 5.0, back in august. Plus you have to figure out how to train that particular athlete. Dickson, Ed 4.67 The International Association of Athletics Federations says to add 0.24 secondsto hand-timed races to convert to the probable electronic timing. This article is aimed for readers born before 1960 when running 100 yards was the norm, especially in the USA. World class sprinters do not reach there max speeds until 50-60 meters because THEY ARE world class srinters. All track times, though, include reaction time - that is, the tenth of a second or so it takes the runner to register the sound of the starter's gun and break from the blocks. Cook, Chris 4.46 Not consenting or withdrawing consent, may adversely affect certain features and functions. Lot of paper work and nothing else. is 50.32 a good 400m for a 10th grader i was 15 at the time now im goin to the 11th grade next month. I ended up bein an ok 60 sprinter 6.4 in college. Re: What does an 11.3 100 meter time translate into for 40 y. No one is running 3.40 without rocking momentum or one foot extra step in. The technical storage or access that is used exclusively for anonymous statistical purposes. I was timed at 4.8 in 8th grade anoher guy was 4.3 and he was so much faster and older looking than any other back inthee league and ran a 10.3 in the 100 yard das (in 8th grade) but I only did 11.2 so i doubt if he ran a 4.3 prob 4.5 and mine was prob more like 4.75 as a timed start in 12th grade was 4.49 for me, which was probably right because an electronic best time in college was a 4.43 and I was done playing football just track. It's easily verified. Im making this assessment of your comments as someone who has participated and supported football programs for at least 4 decades. Then, Thus, for a man, a 4.6 40 yard dash is (4.6 seconds x 10) + 2 = 48.0. If there were any abnormalities with the wind factor during any time, they would have addressed the issue at that time. Tight End Dorin Dickerson Houston 7th round Thomas, Kevin 4.48, Safeties McCoy, Colt 4.79 The (400 meters is mostly a speed endurance race), that is why most sub (44)400 meters runners can run under 1:15 in the 600 meters. Take Jesse Owens old bunch/kangaroo start you get out of the blocks a bit faster with slighter better turnover but you never hit your optimal stride pattern thats an obvious and simple way to hit the 40y faster but hurt the 100m finish time. Defensive Lineman Dexter Davis Seattle 7th round Circa 1984. In track , its almost everything along with consistency and mental focus. Hes currently at 4. Usain Bolt and the 100 Yard dash Taking his 9.58 splits from 2009 WC in Berlin, Usain Bolt split 90 meters in 8.75. Weatherspoon, Sean 4.68 A better question would be why do football players post faster 40 times than 50 or 60 meter sprinters. A meter, or metre, is the fundamental unit of length in the metric system, from which all other length units are based. FloSports, Inc. MileSplit United States Editor: 100y = 09.2. SHIN SPLINTS REDUX - Time Heals All Heels, Jim Hiserman - Developing 800m Runners: Identifying, Categorizing and Developing 400m-800m Type Athletes, Jim Hiserman - Developing Distance Runners Volume 2: A Systematic Approach to Developing Individual Success within a Dynamic Team Culture, Tony Holler's "Feed the Cats" Complete Sprint Training Program, Bud Winter & Arthur Lydiard MP3 [Download only]. My 20yd time was 2.6. There is a HUGE difference when you start to dissect these numbers down to the tenths and hundredths of seconds because of this difference. That makes a grand total of 8.75 + 0.12 = 8.87 seconds for an approximate 100 yard dash. It wouldnt do me any good to give you any tips because when you start training with your coach, he is probably going to do something totally different and that will cause confusion between you and him. 11.72 100 meter time to 40 yard dash. The material on this site may not be reproduced, distributed, transmitted, cached or otherwise used, except with the prior written permission of Advance Local. You guys have problems. For example: 155-6.5 would be 155 feet and 6.5 inches. Skelton, John 4.85 The 40 is just one of many measurements and does not guarantee performance success. To provide the best experiences, we use technologies like cookies to store and/or access device information. 100 meter dash and 40 yard dash are two COMPLETELY different sprints. Mary was correct about the rationale for the 40 yard test, you can look it up. Graham, Brandon 4.72 But is he the fastest runner in the history of the NFL Combine? The technical storage or access is necessary for the legitimate purpose of storing preferences that are not requested by the subscriber or user. Without a subpoena, voluntary compliance on the part of your Internet Service Provider, or additional records from a third party, information stored or retrieved for this purpose alone cannot usually be used to identify you. Anyone can give up, it's the easiest thing in the world to do. McNeal, Shawnbrey 4.56 Jackson received a 7 grade for speed, which is the rating for "very good," and not an 8 for "outstanding," and he was timed at 4.1 seconds over the 30 yards from home to first, which, of course, involved getting out of the batter's box after hitting the ball, not exploding from a four-point stance as runners do at the combine. Are flexable? 3j,)l{r 9@LI M'0bl# G2!QFn_2$s113_ That contradictory statement could be true because of changes in the way the 40 is timed at the combine and changes in the combine itself. You ran a 60y in 6.4 (pretty good) or a 60m in 6.4 (highly unlikely as the world record is 6.39 by Mo Greene). Sorry for the newb question but what is a FAT? (Shades of Donovan Bailey and Michael Johnson circa 1997 come to mind. If you have a 14 second 100-yard dash, you are going about 14.6 mph. The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network. We are currently trying to determine how we can improve between 40M and 80M. You talk as if you know everything, but Im willing to bet you havent produce anything. The 40 is well the 40, it is a test that is used in football but does not tell much about what a football player can do never mind what can be done in a 400. Acceleration is a skill and talent that not everyone has. But the combine started in 1982. The technical storage or access that is used exclusively for statistical purposes. Not consenting or withdrawing consent, may adversely affect certain features and functions. Consenting to these technologies will allow us to process data such as browsing behaviour or unique IDs on this site. It was created in 2003 by founder Jason Byrne and has largely remained untouched since then. Community Rules apply to all content you upload or otherwise submit to this site. Hello Aaron, 50.32 is a good time for 400 meters if it was eletronic time. When training 400 meters you have many parts of the race you have to train. For track and field, the runner will start as soon as the gun has been shot. The tracks now are rubber and lively. oU $e `Z+-OAXyUZ!Sn+]f*6itQT/%jXS>XZceZgCR`/bi!bDo("a9AXXE#aWRdb{4D,MX*C#w(Cied,2>-PKRr60t\_=^*KRUIKHopx#}9]9iQR);[t5- 5 <> Mathews, Ryan 4.45 Coleman, Harry 4.65 Brooks, Dorian 5.16 Type in the time or mark in the blank above, select the event or function from the drop down menu, and click convert. But was Johnson's 40 the fastest ever run at the combine? running a 100 meter dash in 13.2. Im not sure what method of timing was used hand held or electronic, but I distictly recall the time. If you are referring to NFL times or other informal clockings, that is pure hyperbole and FICTION. I think what the combine comes down to is acceleration. Do you think the Canadian Football League has ever approached him or any of the other Jamaican sprinters? The 49ers also grabbed 2. Dividing 12.1 by 91.44, we obtain But they will very likely fade when they hit 70m if they continued running. In track and field the sprinters react to a gun shot, in combines the timer is an electronic laser so the clock doesnt start until the football player leaves the line. Because the extrapolated 40 yard dash time is merely an extrapolation or split en route to a 100 meters. In your regular season, you should run as many 4 x 100 relays,100-200 races as possible. But again speed is nice but not everything in football.