BOISE, IDAHO/USA – AUGUST 10: Unidentified runner on her knees as she climbs over an obstacle at the The Dirty Dash in Boise, Idaho on August 10, 2013

BOISE, IDAHO/USA – AUGUST 10: Unidentified runner on her knees as she climbs over an obstacle at the The Dirty Dash in Boise, Idaho on August 10, 2013

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BOISE, IDAHO/USA – AUGUST 10: runner 40469 almost over the obstacle at the The Dirty Dash in Boise, Idaho on August 10, 2013

BOISE, IDAHO/USA – AUGUST 10: runner 40469 almost over the obstacle at the The Dirty Dash in Boise, Idaho on August 10, 2013

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BOISE, IDAHO/USA – AUGUST 10: Runner 40469 smlies while she attempts the hurdle at the The Dirty Dash in Boise, Idaho on August 10, 2013

BOISE, IDAHO/USA – AUGUST 10: Runner 40469 smlies while she attempts the hurdle at the The Dirty Dash in Boise, Idaho on August 10, 2013

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BOISE, IDAHO/USA – AUGUST 10: Runner 40469 attempts to mount up and over a hurdle at the The Dirty Dash in Boise, Idaho on August 10, 2013

BOISE, IDAHO/USA – AUGUST 10: Runner 40469 attempts to mount up and over a hurdle at the The Dirty Dash in Boise, Idaho on August 10, 2013

$1.99 – $12.99 Select license