BOISE, IDAHO/USA – AUGUST 10:Group of people near the finish line at the The Dirty Dash in Boise, Idaho on August 10, 2013

BOISE, IDAHO/USA – AUGUST 10:Group of people near the finish line at the The Dirty Dash in Boise, Idaho on August 10, 2013

$1.99$25.00 Select license
BOISE, IDAHO/USA – AUGUST 10, 2013: Unidentified swimmer works through the mud at the The Dirty Dash

BOISE, IDAHO/USA – AUGUST 10, 2013: Unidentified swimmer works through the mud at the The Dirty Dash

$1.99$12.99 Select license
BOISE, IDAHO/USA – AUGUST 10, 2013: Runner 9738 and 9737 have fun at at the mud pit during The Dirty Dash

BOISE, IDAHO/USA – AUGUST 10, 2013: Runner 9738 and 9737 have fun at at the mud pit during The Dirty Dash

$1.99$25.00 Select license
BOISE, IDAHO/USA – AUGUST 10: Person swims through the mud pond on his way to the finish line at the The Dirty Dash in Boise, Idaho on August 10, 2013

BOISE, IDAHO/USA – AUGUST 10: Person swims through the mud pond on his way to the finish line at the The Dirty Dash in Boise, Idaho on August 10, 2013

$1.99$12.99 Select license
BOISE, IDAHO/USA – AUGUST 10: aTeam just about to land after jumping off the ramp at the The Dirty Dash in Boise, Idaho on August 10, 2013

BOISE, IDAHO/USA – AUGUST 10: aTeam just about to land after jumping off the ramp at the The Dirty Dash in Boise, Idaho on August 10, 2013

$1.99$12.99 Select license
BOISE, IDAHO/USA – AUGUST 10: Adult helps a smiling child through the pit at the The Dirty Dash in Boise, Idaho on August 10, 2013

BOISE, IDAHO/USA – AUGUST 10: Adult helps a smiling child through the pit at the The Dirty Dash in Boise, Idaho on August 10, 2013

$1.99$25.00 Select license
BOISE, IDAHO/USA – AUGUST 10: Man drips mud after standing up in the mud pit at the The Dirty Dash in Boise, Idaho on August 10, 2013

BOISE, IDAHO/USA – AUGUST 10: Man drips mud after standing up in the mud pit at the The Dirty Dash in Boise, Idaho on August 10, 2013

$1.99$12.99 Select license
BOISE, IDAHO/USA – AUGUST 10: Unidentified person making a struggle to get through the thick mud at the The Dirty Dash in Boise, Idaho on August 10, 2013

BOISE, IDAHO/USA – AUGUST 10: Unidentified person making a struggle to get through the thick mud at the The Dirty Dash in Boise, Idaho on August 10, 2013

$1.99$25.00 Select license
BOISE, IDAHO/USA – AUGUST 10: Two unidentified people working together to get through the mud at the The Dirty Dash in Boise, Idaho on August 10, 2013

BOISE, IDAHO/USA – AUGUST 10: Two unidentified people working together to get through the mud at the The Dirty Dash in Boise, Idaho on August 10, 2013

$1.99$25.00 Select license