Wade Kapanke, left, races through the crab walk portion of the obstacle course with son William, 7, both of Stoughton.
Haedayn Thorpe, 6, of Stoughton, crawls under a net at the beginning of the obstacle course, which also included a jump on a trampoline, crab walking and jump roping.
Kids try out "step-ups" in the tabata activity room.
An instructor leads a group of kids in 20 seconds of push-ups.
Jude Surrell practices at one of the tabata weightlifting stations.
Anna Nichols lifts a weight as high above her head as she can.
Eliza Stormer, left, and Meadow Sawicki let out a yell while following the Kicks Unlimited instructor in a karate demonstration.
Ashley Graffin unloads the biggest punch she can on a Kicks Unlimited punching bag.
Plenty of kids enjoy the hula hoop station.
Augustus Schuppel, 10, of Stoughton, gets applause as he finishes up his rotation at shaking a pair of ropes.