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我又跑快分幾鐘啦~~
Lose Weight, Gain Speed
This table, based on changes in maximal aerobic capacity, provides a rough estimate of how much your race times will improve if you lose weight, as long as you have it to lose. If your BMI drops below 18.5, you're at risk of becoming weaker and slower.
http://www.runnersworld.com/article/0,7120,s6-242-304--11903-0,00.html
WEIGHTLOST 5K 10K HALF-MARATHON MARATHON
2 lbs 12.4 secs 25 secs 52 secs 1:45
5 lbs 31 secs 1:02 2:11 4:22
10 lbs 1:02 2:04 4:22 8:44
20 lbs 2:04 4:08 8:44 17:28 |
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