Racers splash through muddy water during the Dirty Dog Mud Run 5K, obstacle race at Thomas College in Waterville on Sunday.

Bonnie Baker, right, of Skowhegan is greeted by teammates Sunday after climbing over the hay bale obstacle before crossing the finish line with her team during the Dirty Dog Mud Run 5K obstacle race at Thomas College in Waterville.

Racer Kyle Leslie makes a splash landing in muddy water Sunday during the Dirty Dog Mud Run 5K obstacle race at Thomas College in Waterville.

Racers splash through muddy water Sunday during the Dirty Dog Mud Run 5K obstacle race at Thomas College in Waterville.

Emmett Baier, left, jokes with others Sunday from The Big Crinklers team while taking photographs after finishing the Dirty Dog Mud Run 5K obstacle race at Thomas College in Waterville. The four-person team is from Topsham.

Competitor Josh O’Keefe of Greenfield is covered in mud Sunday after competing in the Dirty Dog Mud Run 5K obstacle race at Thomas College in Waterville.

Competitors sprint to the finish line Sunday during the Dirty Dog Mud Run 5K obstacle race at Thomas College in Waterville.

Racers sprint at the start of their heat Sunday during the Dirty Dog Mud Run 5K obstacle race at Thomas College in Waterville.

Ian Britt, left, and Marshall Roberts, team members from The Big Crinklers, hop over an obstacle Sunday during the Dirty Dog Mud Run 5K obstacle race at Thomas College in Waterville. The four-person team is from Topsham.

Spectators Tehran Randlett holds his daughter, Indianna, 1, as they watch the action while supporting the girl’s mother, Chelsie, who raced during the Dirty Dog Mud Run 5K obstacle race at Thomas College in Waterville. Rich Abrahamson/Morning Sentinel

A competitor crawls through the mud Sunday during the Dirty Dog Mud Run 5K obstacle race at Thomas College in Waterville.

Competitors race though muddy water Sunday during the Dirty Dog Mud Run 5K obstacle race at Thomas College in Waterville.

A competitor rises after crawling under the tape and through the mud during the Dirty Dog Mud Run 5K, obstacle race at Thomas College in Waterville on Sunday.

Competitors Katie Alexander, left, and Ryan Soucie race though muddy water Sunday during the Dirty Dog Mud Run 5K obstacle race at Thomas College in Waterville.