Photos: Mud, electric shocks and more test athletes in Tough Mudder Minnesota

Paul Leenhouts
Paul Leenhouts of Mankato gets his head shaved before running the Tough Mudder Minnesota on Saturday, May 21, 2012 in Somerset, Wis. Leenhouts was running the Tough Mudder by himself on Saturday and doing it again the next day with friends.
Derek Montgomery for MPR

Tough Mudder events are hardcore 10-12 mile obstacle courses designed to test strength, stamina, mental grit, and camaraderie, the organization's website says. Athletes took up the challenge over the weekend in Somerset, Wis.

Your support matters.

You make MPR News possible. Individual donations are behind the clarity in coverage from our reporters across the state, stories that connect us, and conversations that provide perspectives. Help ensure MPR remains a resource that brings Minnesotans together.