Participants the Mudder Dash at Sam Houston Race Park faced challenges such as climbing walls, walking over haystacks and a 50-foot slide into a mud trench.
The dash is a 5-K run and 14-obstacle course. Obstacles also included 50 swinging tires, two large cargo nets, mud pits and barbed wire bear crawls.
Organizers said they want to encourage people of all ages and fitness levels to exercise and have a good time.
According to the Mudder Dash website, future races will be held in Galveston, Austin and Dallas.