To get a PR, one has to run a USATF certified race

To get a PR, one has to run a USATF certified race

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送交者: HunHunSheng 于 2008-01-31, 20:39:52:

回答: 你要想知道自己的速度的话由 eddie 于 2008-01-31, 20:33:31:

Otherwise it can only be called PB - Personal Best

http://www.usatf.org/routes/