e**********n 发帖数: 359 | 1 New personal record of 5K: 19:59.29. 9.3mph for the first 12 laps, and a
final kick at 10mph.
Some after thoughts: when you can comfortably run at a speed with heel
landing, it's time to speed up a
bit, so that you feel urged to use ball landing. |
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