BOISE, IDAHO/USA – AUGUST 10: A runner with bib number 9736 does tries his luck through the tire obstacles at the The Dirty Dash in Boise, Idaho on August 10, 2013

BOISE, IDAHO/USA – AUGUST 10: A runner with bib number 9736 does tries his luck through the tire obstacles at the The Dirty Dash in Boise, Idaho on August 10, 2013

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BOISE, IDAHO/USA – AUGUST 10: Runner 10951 does high knees to get past the tire obstacle at the The Dirty Dash in Boise, Idaho on August 10, 2013

BOISE, IDAHO/USA – AUGUST 10: Runner 10951 does high knees to get past the tire obstacle at the The Dirty Dash in Boise, Idaho on August 10, 2013

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