Mud Runs A Messy Race. Mud runs are races where people run through mud. People have been running in mud runs for about thirty years in the United States. Races are held all over the country. Some mud runs are for people who are good at sports. Some are just for fun. All mud runs are the same in one way. People get very muddy! They Don't Make It Easy. Running through mud isn't easy. The mud sticks to your shoes and slows you down. It's hard to move forward. The people who plan mud runs know this. They use mud to make parts of the course hard. Racers need to be strong to climb over nets and walls. They need to be careful to get past parts like the balance beam. They need to get down into the mud to crawl under walls or through tunnels. They need to be brave to slide down big hills or even jump over fire! Monsters in the Mud. Some mud runs have an extra twist, such as monsters. In a zombie mud run, racers run away from people dressed as zombies. Racers can run from zombies or choose to become zombies and chase others. Which would you rather be? Run in a Costume. At many races, runners often dress up in costumes just for fun. Costumes get covered in mud, and many also get torn during the race. It's all part of the fun. Race as a Team. People run as teams in some mud runs. They push and pull each other over walls covered in mud. Mud runs are hard, and working as a team can help everyone have a good time. Running for Fun. You don't have to be great at sports to race in a mud run. Many people run just for fun. Just for Kids. Some mud runs are made for children as young as three. The children's races are shorter, but they have tricky parts, mud, and lots of adventure. You might climb a kid-sized wall. You might wiggle through a kid-sized tunnel. If you choose to run, you're in for a good time! Children sometimes have so much fun that they run the races two or three times. In a mud run, even regular people can feel like superheroes!