Ross D. Franklin, Associated Press
Lauren McGraw, 16, of Chandler, Ariz., sinks into a mud pit as she runs the obstacle course during the annual Mighty Mud Mania at Chaparral Park Friday in Scottsdale, Ariz. The muddy festival has been held every year since 1976. Activities at the event included a mud obstacle course for kids.

Lauren McGraw, 16, of Chandler, Ariz., sinks into a mud pit as she runs the obstacle course during the annual Mighty Mud Mania at Chaparral Park Friday in Scottsdale, Ariz. The muddy festival has been held every year since 1976. Activities at the event included a mud obstacle course for kids.