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10m Splits
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X King
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PostPosted: Sat May 17, 2003 1:54 am    Post subject: Reply with quote

Yeah he seems to be a bit overweight this year. Power is good but sometimes too much of a good thing can be bad.
As for my 100 yard list which I promised the forum a while ago I have finally compiled it. The top 10 marks for 100yards for Men are listed below.
Men's Top 10 100yds:
Note:The Splits below are estimately taken from 90m Splits of 100m races. The Video-Tapes in which the Splits were taken, range widely from 25Hz-120Hz, so the accuracy is quite reliable.

1.Maurice Greene(USA) d.o.b:23.07.1974
8.98w(+2.9m/s) Pre Classic,Eugene 31st May 1998(90m Split:8.87w)

2.Ben Johnson(CAN) d.o.b:31.12.1961
9.02+(+1.1m/s) OG Seoul,South Korea 24th Sep 1988(90m Split:8.89+)

3.Tim Montgomery(USA) d.o.b:28.01.1975
9.03+(+2.0m/s) GPF Paris,France 14th Sep 2002(90m Split:8.90+)

4.M.Greene
9.04+(-0.2m/s) WCh Edmonton,Canada 5th Aug 2001(90m Split:8.91+)

5.M.Greene
9.05+(+0.2m/s) WCh Sevilla,Spain 22nd Aug 1999(90m Split:8.94+)

6.M.Greene
9.07+(+0.1m/s) GP II Athina,Greece 16th June 1999(90m Split:8.94+)

7.T.Montgomery
9.08+(+0.2m/s) WK Zurich,Switzerland 17th Aug 2001(90m Split:8.95+)

8=M.Greene
9.09+(+0.3m/s) NC Eugene,USA 21st June 2001(90m Split:8.96+)

8=B.Johnson
9.09+(+1.0m/s) WCh Roma,Italy 30th Aug 1987(90m Split:8.96+)

10.M.Greene
9.11+(-0.3m/s) OG Sydney,Aus 23rd Sep 2000(90m Split:8.97+)
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ar
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PostPosted: Tue May 02, 2006 5:50 am    Post subject: Reply with quote

Do any of you guys know what Justin Gatlin's 10m splits were for his Olympic 100m win?
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X King
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PostPosted: Sat May 06, 2006 11:07 am    Post subject: Reply with quote

ar wrote:
Do any of you guys know what Justin Gatlin's 10m splits were for his Olympic 100m win?


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PostPosted: Sat May 06, 2006 9:07 pm    Post subject: Reply with quote

Thanks for the 10m splits Xking, these are great! Gatlin finished like a steam train in that race. I actually thought he was behind until the last 20m - deceived by the angle of the t.v footage I guess. Should be an interesting year, J.G v A.P.
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PostPosted: Tue Jun 03, 2008 1:09 am    Post subject: Usain Bolt's 9.72 Splits Reply with quote

ROM:
00-10m: 1.71 (minus reaction time)
10-20m: 1.05
20-30m: 0.90
30-40m: 0.85
40-50m: 0.83
50-60m: 0.82
60-70m: 0.83
70-80m: 0.85
80-90m: 0.85
90-CL: 0.87

Note:
    These measured statistics were captured from NTSC video of the race.
    Each touchdown step was observed and calculated for rate and flight distance using Premiere Pro for actual recorded time and slow motion/zoom.
    Split distances were determined from track markings.
    Though a DLT method was not used, a two dimensional template was established using Eagle Eye Software to determine body position and angle reference as best as possible.
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Dan
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PostPosted: Tue Jun 03, 2008 9:17 am    Post subject: Reply with quote

Looks like pretty good speed maintenance.

Dan
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Sprint X
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PostPosted: Tue Jun 03, 2008 12:46 pm    Post subject: Reply with quote

Dan wrote:
Looks like pretty good speed maintenance.

Dan

Stride length was estimated @ 2.54m (var ~ 3%/9 trials) during maximum speed. Calculated @ 2.61m (var ~ 2%/5 trials) between 90-100m.

Good sprint mechanics and lift during both segments.
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Angelo Z
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PostPosted: Thu Jun 12, 2008 8:56 am    Post subject: Reply with quote

In response to stride length, overstriding from running down hills is what adapts the legs to a certain length.
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NLSTRACK
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PostPosted: Thu Jun 12, 2008 3:54 pm    Post subject: Re: Usain Bolt's 9.72 Splits Reply with quote

Sprint X wrote:
ROM:
00-10m: 1.71 (minus reaction time)
10-20m: 1.05
20-30m: 0.90
30-40m: 0.85
40-50m: 0.83
50-60m: 0.82
60-70m: 0.83
70-80m: 0.85
80-90m: 0.85
90-CL: 0.87

Note:
    These measured statistics were captured from NTSC video of the race.
    Each touchdown step was observed and calculated for rate and flight distance using Premiere Pro for actual recorded time and slow motion/zoom.
    Split distances were determined from track markings.
    Though a DLT method was not used, a two dimensional template was established using Eagle Eye Software to determine body position and angle reference as best as possible.


Fantastic analysis. The first numbers I've seen for Bolt's 9.72. Anything on Tyson's 9.85 ? I'd like to compare it to the numbers I have for his 9.84 Zurich 2006 & the official figures for his 9.85 in Osaka last year
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PostPosted: Fri Jun 13, 2008 8:29 am    Post subject: Reply with quote

Unfortunately I was not able to do a similar breakdown for Gay. I understand that there may be an analysis by others that will afford some insight into his performance in that race.
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PostPosted: Tue Jul 08, 2008 6:51 am    Post subject: Reply with quote

it would be interseting to see for the new Gay 9.68 as well
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Dan
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PostPosted: Tue Jul 08, 2008 4:50 pm    Post subject: Reply with quote

I'd be curious to see how the 9.68 (wind aided) and 9.77 (wind legal) differ in that respect. Does the extra tail wind negate the slow-down at the end, or is fatigue still fatigue and the difference is a steady 0.01 or so each 10m segment after the runner is upright?

Dan
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PostPosted: Wed Jul 09, 2008 5:20 am    Post subject: Reply with quote

I wonder although one could argue also that while I am sure it made a difference that they are two different races and he was just more up for the second race... he did get a better start in the 9.68 run as well
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PostPosted: Tue Jul 15, 2008 6:06 pm    Post subject: Old News! Reply with quote

9.77 Split Info

9.68w Split Info (IE)

Would expect the difference was more a factor of stride length than frequency. Particularly in form of measurement.
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PostPosted: Wed Jul 16, 2008 5:36 pm    Post subject: Reply with quote

Interesting also in that the first 50 meters were almost identical
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