Photos: Teams braving Columbia’s Ultimate Challenge Mud Run

Teams took off early Saturday in Sandy Run to traverse the toughest-of-the-tough, 6.2-mile, muddy obstacle course.

The afterparty, celebrating the 20th anniversary of the U.S. Marine Corps-inspired event, features the group Jackyl.

Mud Challenge galleries

Team Enduring Warrior by photographer Van Hope

167 Snapshots by photographer Rob Thompson

46 Photos by photographer C. Michael Bergen

This story was originally published October 12, 2013 at 11:02 AM with the headline "Photos: Teams braving Columbia’s Ultimate Challenge Mud Run."