A runner at the Terrain Racing Mud Run splashes through a mud pit obsticle Saturday morning at Camp Harlow. The race, visiting Eugene for the first time, was a three or five mile run with the track peppered with a variety of obsticles including monkeybars, hay bales and barbed wire covered mud pits. (Michael Ciaglo/Oregon Daily Emerald)

Connie Castillo from Brundage Bootcamp, a fittness club in Eugene and Springfield, cheers on her teammates as they crawl through the final mud obsticle at the Terrain Racing Mud Run Saturday morning at Camp Harlow. (Michael Ciaglo/Oregon Daily Emerald)

Runners from Brundage Bootcamp traverse a cargo net obsticle before racing for the finish at the Terrain Racing Mud Run Saturday morning at Camp Harlow. (Michael Ciaglo/Oregon Daily Emerald)

Runners traverse the monkey bar obsticle at the Terrain Racing Mud Run Saturday morning at Camp Harlow. If racers fell off the bars they landed in a make-shift pool and had to swim the remainder of the way across. (Michael Ciaglo/Oregon Daily Emerald)

Matt Brundage, founder of the fittness camp Brundage Bootcamp, calls his teammates over for a group picture after finishing the Terrain Racing Mud Run Saturday morning at Camp Harlow. (Michael Ciaglo/Oregon Daily Emerald)

Racer Dave Hinson cleans the mud off of his face after finishing the Terrain Racing Mud Run Saturday morning at Camp Harlow. (Michael Ciaglo/Oregon Daily Emerald)