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trackhead
RE: Mr. Renato Canova: Could You Please Answer a Question About Effective Ways to Improve the Lactate Threshold?
Racer1,

As per the 100m, as far as I know, because CrePhos drops off after 6-7s, endurance starts to kick in. For example, see Jason Gardner's 60m times versus 100 and 200. He's consistently run 6.46 for 60m, but has only broken 10s once, with a 9.98, and his 200m is 20.2 or something like that.

Here are the numbers in BTDR, pg 185, with data adapted from Matthews (1996, pp 247-258); Péronnet and Thibault (1989, pp, 453-465); Léger, Mercier and Gauvin (1986, pp 113-120). I made it into a table, but it doesn't look like it's going to post. but you can figure it out. Event/Vo2Max/Description/% Phosphate/% Lactate/% Aerobic

And I should add that the bit about 30s into the race being 50/50 aerobic anaerobic, and at 90s, 90% aerobic, was information that came to me via Tinman, who read it from Péronnet and Thibault.

``TABLE WIDTH="90%" BGCOLOR="#CCFFCC" CELLSPACING="1" CELLPADDING="4" BORDER="1"%%

Event
Approx. VO2Max
Race characteristic
Phosphate
Lactate
Aerobic


100m
N/A
All-out, short speed
70%
22%
8%


200m
N/A
All-out, short speed
40%
46%
14%


400m
N/A
99% all-out, long speed
10%
60%
30%


800m
135%
98% all-out, endurance speed
5%
38%
57%


1500m
112%
95% all-out, speed endurance
2%
22%
76%


3000m
102%
90% all-out, endurance with speed
less than 1%
12%
88%


5000m
97%
85% all-out, long endurance with speed
less than 1%
7%
93%


10000m
92%
Long endurance with some speed
less than 1%
3%
97%


Marathon
82%
Paced aerobic, long endruance, possibly speed
less than 1%
less than 1%
99%

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