How fast can I run a marathon?

Detta blogginlägg är skrivet av Benny Sjölind.

When planning for a new season, the key is, of course, the capacity you currently possess. For those who already have a competitive season behind them, it is easier to determine what goals are realistic, but for those who have not tested their limits in competition or training before, it… The post How fast can I run a marathon? appeared…

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