Dirty Dual Michigan Trail Race.

Hi Keith,


Our Dirty Duel went great. It was quite treacherous and those with Icespike certainly outperformed the others. I sent them up and down some really steep hills that were not part of the trail system (as advertised). The fasted 5K for 500 runners was 23 minutes so that tells you how brutal it was. The average 5K was 39 minutes!  Thanks for you Support!  Mark

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