The P.I.G. Race - AtlantaFebruary 21, 2015 - Atlanta, Georgia 1 of 11
You'll need Perseverance, Intensity and Grit to cross the finish line of this race named with a clever acronym. Choose from the Piglet 5K, the Porker 8K or the Wild Boar 12K, all of which are filled with obstacles.
Y Get Dirty Mud RunMarch 21, 2015 - Foley, Alabama 2 of 11
This family-friendly event offers 5K and 4.5-mile options, both of which feature more than 10 obstacles. Be sure to stick around for the post-race party with a live band, food and drinks, and inflatable jumping structures for the kids.
Gritty Goddess Women's 5K Obstacle/Mud RunApril 18, 2015 - Galveston, Texas 3 of 11
Be a mud goddess for a day at this women-only event. Run solo or gather a group of friends for this 5K run that features more than 28 obstacles.
Man Meets MudMay 9, 2015 - Pocomoke City, Maryland 4 of 11
This muddy off-road 5K has a variety of obstacles, ranging from a super slide, hurdles, cargo nets and monkey bars. If your kids want to get in on the fun, bring them along for the 1-mile course.
2015 World Famous Mud Run at Camp PendletonJune 6, 2015 - Camp Pendleton, California 5 of 11
This event has quickly become one of the most popular mud runs in the country. With 10K, 5K and 1K options that feature Marine Corps obstacles, this is a race you have to tackle. Once you cross the finish line, stick around for the festivities that include military displays, live music, a beer garden, food trucks, vendors, family activities, and more.
Udder Mud RunAugust 8, 2015 - Covingon, Georgia 6 of 11
Climb, crawl, jump and jog at the Udder Mud Run, a 6K with more than 20 obstacles. If you're not ready for the 6K, you can run the Family and Friends 1-miler instead.
Great American Hero 5K and 10K Obstacle and Mud RunAugust 29, 2015 - Tracy, California 7 of 11
Be a hero at this muddy 5K and 10K with 25 military and CrossFit-style obstacles. After you've trudged through the mud and overcome the impossible, hang out at the post-race party with food, beverages, vendors and music.
The Fugitive Mud Run Obstacle CourseSeptember 19, 2015 - Rolla, Missouri 8 of 11
Designed by military and law enforcement, this 3- to 4-mile course has more than 100 obstacles. Register with a team or as an individual and see if you have what it takes to make it through this extreme course.
Lozilu Women's Mud RunVarious Dates and Locations 9 of 11
This isn't the typical girls day out— there are some obstacles and mud thrown into the mix this time. Grab your girls for this 5K filled with challenging obstacles. The series is set to hit 15 cities across the country this year, so find a race near you and get ready to get muddy.
Savage RaceVarious Dates and Locations 10 of 11
Do you think you're a savage? This event, held in a variety of cities, features some of the toughest obstacles in the business. The 4- to 6-mile course is sure to test you physically and mentally, and will ultimately determine how savage you really are.