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View Full Version : 100m Sprinters run the 40


OregonDucks
04-29-2009, 06:05 PM
So I saw something on the forums about sprinters running the forty and how they would not be fast in it because they have top end speed. I Present you

Walter Dix http://www.youtube.com/watch?v=y_pUa1CRUUQ

sbh15
04-29-2009, 06:06 PM
Jacoby Ellsbury ran a 4.2 one time.

I converted Justin Gatlin's time when he held the record, it was a 3.79 if he ran record 100m speed IIRC.

OregonDucks
04-29-2009, 06:14 PM
Yeah man, these guys can run the forty faster than any football player. Do you have a video to that jacoby run?

steelersfan43
04-29-2009, 06:44 PM
Obviously, a sprint is a sprint.. clearly the fastest sprinters in the world will run the fastest 40's

MetSox17
04-29-2009, 06:50 PM
Jacoby Ellsbury ran a 4.2 one time.

I converted Justin Gatlin's time when he held the record, it was a 3.79 if he ran record 100m speed IIRC.

Unless you had the splits, i don't think you can get the correct speed. You can't just get his 100 time, divide it by 100 and then multiply it by 40. They run most of the 100 meters at top speed.

Bosanac01
04-29-2009, 06:54 PM
idk how a sub 4 sec 40 is possible especially electronically timed.

Brent
04-29-2009, 06:55 PM
The crazy thing is Dix looked really buff during the NCAA championships.

sbh15
04-29-2009, 06:56 PM
Yeah man, these guys can run the forty faster than any football player. Do you have a video to that jacoby run?

Nah, they just said he did that on ESPN after he stole home.

Probably made it up.

PACKmanN
04-29-2009, 07:00 PM
its because these guys know how to sprint and the technique. That's why you don't see a sprinter have any success in the NFL.

Bosanac01
04-29-2009, 07:02 PM
they're built for sprinting. In football you basically need instincts.

nfrillman
04-29-2009, 08:06 PM
So I saw something on the forums about sprinters running the forty and how they would not be fast in it because they have top end speed. I Present you

Walter Dix http://www.youtube.com/watch?v=y_pUa1CRUUQ

Ummm, not to be a killjoy, but that time isn't 3.75. They are off by a half second, give or take a tenth. Just get out your own stop watch and do it yourself. I timed him at 4.3, and human error wouldn't account for over a half second difference. I'd say he ran a 4.2ish and that's assuming he actually ran a full 40 yards. Nobody runs 3.75, no one. Don't you think someone at some point in the long history of the NFL would have run a sub-4 40 if it's possible to go as low as 3.75? There have been Olympic sprinters in the NFL for christs sake.

Primetime21
04-29-2009, 08:14 PM
Ummm, not to be a killjoy, but that time isn't 3.75. They are off by a half second, give or take a tenth. Just get out your own stop watch and do it yourself. I timed him at 4.3, and human error wouldn't account for over a half second difference. I'd say he ran a 4.2ish and that's assuming he actually ran a full 40 yards. Nobody runs 3.75, no one. Don't you think someone at some point in the long history of the NFL would have run a sub-4 40 if it were possible. There have been Olympic sprinters in the NFL for christs sake.

Dix is an Olympic sprinter but I do see your point. It seems like something like this is brought up every couple of weeks.

With perfect technique and an amazing start I can see getting close to mid 4.00s but anything under that is seems impossible.

For anyone thinking the can calculate a 100m, they pick the 40 becuase that is supposedly how long it takes you to get to full speed.

OregonDucks
04-29-2009, 08:18 PM
Ummm, not to be a killjoy, but that time isn't 3.75. They are off by a half second, give or take a tenth. Just get out your own stop watch and do it yourself. I timed him at 4.3, and human error wouldn't account for over a half second difference. I'd say he ran a 4.2ish and that's assuming he actually ran a full 40 yards. Nobody runs 3.75, no one. Don't you think someone at some point in the long history of the NFL would have run a sub-4 40 if it's possible to go as low as 3.75? There have been Olympic sprinters in the NFL for christs sake.

You make a great point. I timed it at around 4.28, i saw the caption and watched it and seemed legit so I jumped the gun and decided to post it. I feel like a douche now. I am gonna delete this all together.

TACKLE
04-29-2009, 09:50 PM
idk how a sub 4 sec 40 is possible especially electronically timed.

It isn't.

When it comes to top end speed you can't compare Olympic sprinters to NFL players, but NFL players have elite acceleration over short distances. I think Chris Johnson could compete with any Olympic sprinter in a 20 yard dash.

brasho
03-10-2011, 08:37 AM
idk how a sub 4 sec 40 is possible especially electronically timed.

Just went back and saw this thread... It is amazing to me how little some of these posters know yet they feel the need to give their expert opinions.

A sub 4.0 40 is impossible. Usain Bolt probably couldn't break 4.3. Carl Lewis was not known to have a great take-off and was speculated to run 4.5... 100 M runners earn their bread in the last 60m, not the first 40.

Somebody on here said they converted Justin Gatlin's 100m to a 40 and said it was 3.79...seriously? Conversions don't work. The slowest part of a race is the start. Even guys with rocket starts don't better 1.4... and 1.4 converted over 40 yards would be a 5.6... Whereas Chris Johnson could run a 1.4 10 en route to a 4.2 40...he would be covering the final 30 yards in 2.8 seconds... obviously a longer race where top-end speed plays a larger role would make a conversion way off.

brasho
03-10-2011, 08:40 AM
It isn't.

When it comes to top end speed you can't compare Olympic sprinters to NFL players, but NFL players have elite acceleration over short distances. I think Chris Johnson could compete with any Olympic sprinter in a 20 yard dash.

You don't know this. There have been numerous olynpic sprinters that played football and have done well. There are many WRs that don't run elite 40's but can run by the guys with the great 40's. Some guys in the NFL have great top end speed, others don't. It's still running and many of them are or could be great track and field athletes.

brasho
03-10-2011, 08:45 AM
Based on some of these guys' rationale... if we "CONVERT" times, we stop at the 40? Why don't we also figure out what Gatlin would run in the mile... a marathon? That would be a 2 minute 50 second mile and a marathon in 1:13. Wow, Gatlin should be running marathons!

CJSchneider
03-10-2011, 09:10 AM
Comparing sprinters to football players is a mute point. Sprinters atribute a good deal of their success to their form and technique. That all changes when you are carrying a ball and have pads on.

iowatreat54
03-10-2011, 09:55 AM
Comparing sprinters to football players is a mute point. Sprinters atribute a good deal of their success to their form and technique. That all changes when you are carrying a ball and have pads on.

Moot point.

CJ, I am disappoint.

boknows34
03-10-2011, 10:06 AM
Just went back and saw this thread... It is amazing to me how little some of these posters know yet they feel the need to give their expert opinions.

A sub 4.0 40 is impossible. Usain Bolt probably couldn't break 4.3. Carl Lewis was not known to have a great take-off and was speculated to run 4.5... 100 M runners earn their bread in the last 60m, not the first 40.


Spot on 1000%.

When Usain Bolt ran his 9.58 WR in 2009 his fastest 20m split was between 60-80m.

Reaction time to gun
0.146 secs

0-20m
2.89 secs

20-40m
1.75 secs
(4.64)

40-60m
1.67 secs
(6.31)

60-80m
1.61 secs
(7.92)

80-100m
1.66 secs
(9.58)

So Bolt's first 40m which converts to 43.74 yards was ran in 4.64. Deduct the 0.146 reaction time (NFL combine starts the clock not by gun but by runner's first movement) and he actually ran the first 40m or 43.74 yards in 4.50. Running 43.74 yards in 4.50 secs converts to 40 yards in approx 4.115 secs. However you also have to factor the 0.9 m/s wind speed, running with spikes out of blocks and the fast track Bolt was running on which he would not have at the NFL combine.

Tyson G ay went through 40m in 4.70. Deduct the reaction time of 0.144 (just two thousanths quicker than Bolt) and he went through 40m/43.74 yards in 4.56. This converts to an approx 4.17 40 yd dash.

Walter Dix has a 100m PB of 9.88 and an indoor 60m PB of 6.58. If the likes of G ay (9.71), Asafa Powell (9.84) and Trinidad's Richard Thompson (9.93) are going through 40m in the 4.70/4.71 range (approx 4.17 pace for 40 yds) then Dix would be running almost identical times at his peak - and certainly nowhere near sub 4 secs let alone 3.75.

http://1.bp.blogspot.com/_ua8ycqfc4ok/Sok0X9U62uI/AAAAAAAABq8/HJwymrWaDn4/s400/Table.gif

boknows34
03-10-2011, 10:42 AM
For further comparison here's the 2007 NCAA 100m final featuring Trindon Holliday in lane 5 and Walter Dix in Lane 6. Holliday was timed in the high 4.2s/low 4.3s at the 2010 NFL combine and his indoor 60m PB is 6.54 compared to Dix's 6.58

If you pause after 4.3 secs during that 100m race Holliday actually has a clear lead but Dix smokes him in the last 60m to win in 9.93.

NRhFAADJb_U

Bills2083
03-10-2011, 11:23 AM
Dix looks like a tank in that vid.
At 1:05 he just seems to kick it into another gear and blow by everyone

brat316
03-10-2011, 12:00 PM
Holliday ran 4.34 at the combine.

brasho
03-10-2011, 12:41 PM
Comparing sprinters to football players is a mute point. Sprinters atribute a good deal of their success to their form and technique. That all changes when you are carrying a ball and have pads on.

Only 1 out of 22 players on a football field can possibly be carrying the ball at a time. Pads or no pads, form running is form running and you are taught how to run with proper form usually by the time you hit high school (though the form might not be perfect). Considering most WRs and DBs only wear their helmets and lighter weight shoulder pads, it isn't like they are weighed down that severely... besides that, everybody is wearing them.

Sprinters atribute a good deal of their success to their form and technique.

No, they attribute most of their success to their gaits and their stride frequency. Form helps a lot (particularly hand/shoulder position/placement), but running with great form when you don't have an impressive gait to stride frequency won't help much at all.

brasho
03-10-2011, 12:42 PM
Spot on 1000%.

When Usain Bolt ran his 9.58 WR in 2009 his fastest 20m split was between 60-80m.

Reaction time to gun
0.146 secs

0-20m
2.89 secs

20-40m
1.75 secs
(4.64)

40-60m
1.67 secs
(6.31)

60-80m
1.61 secs
(7.92)

80-100m
1.66 secs
(9.58)

So Bolt's first 40m which converts to 43.74 yards was ran in 4.64. Deduct the 0.146 reaction time (NFL combine starts the clock not by gun but by runner's first movement) and he actually ran the first 40m or 43.74 yards in 4.50. Running 43.74 yards in 4.50 secs converts to 40 yards in approx 4.115 secs. However you also have to factor the 0.9 m/s wind speed, running with spikes out of blocks and the fast track Bolt was running on which he would not have at the NFL combine.

Tyson G ay went through 40m in 4.70. Deduct the reaction time of 0.144 (just two thousanths quicker than Bolt) and he went through 40m/43.74 yards in 4.56. This converts to an approx 4.17 40 yd dash.

Walter Dix has a 100m PB of 9.88 and an indoor 60m PB of 6.58. If the likes of G ay (9.71), Asafa Powell (9.84) and Trinidad's Richard Thompson (9.93) are going through 40m in the 4.70/4.71 range (approx 4.17 pace for 40 yds) then Dix would be running almost identical times at his peak - and certainly nowhere near sub 4 secs let alone 3.75.

http://1.bp.blogspot.com/_ua8ycqfc4ok/Sok0X9U62uI/AAAAAAAABq8/HJwymrWaDn4/s400/Table.gif

You are the man... you sir, are now bestowed the honor of the first person I've ever given positive rep to... great numbers, thank you!

Bosanac01
03-10-2011, 01:08 PM
That is really unnecessary, it's obvious that you run faster once you get off your stance and pick up some speed.

Fast players run their 10 yard split in 1.60, if you multiply that by 4 then they would run a 6.4.

Their last 10 yards is probably like .9 or something. If you multiply that by 4 then they would run a 3.6.





/Thread

P-L
03-10-2011, 03:36 PM
You could just watch that video and tell it wasn't a 3.75 40.

Draft King
03-11-2011, 08:34 AM
Yeah this isn't a 3.75.

wogitalia
03-12-2011, 10:04 AM
I watched it and doubted if it was even a 40... Would be nice to be able to run like that regardless!