Creating a backyard kids' obstacle course can provide infinite hours of fun and fitness for children who love a good challenge and have boundless energy. Whether they’re aspiring Ninja Warriors or simply looking for a creative way to play, a DIY obstacle course is the perfect way to keep kids active and entertained outdoors.

From balance beams and rope swings to portable obstacle course options, here are some fun backyard obstacle course ideas for Ninja Warrior kids. Check out our Guide to Outdoor Activities for Kids for more fresh-air kids' fitness ideas, from classic playground and backyard games to fun scavenger hunt ideas.