United States
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Alabama3
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Alaska1
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Arizona4
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Arkansas1
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California19
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Colorado8
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Connecticut2
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Delaware
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District of Columbia
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Florida16
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Georgia6
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Hawaii3
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Idaho2
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Illinois11
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Indiana9
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Iowa3
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Kansas
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Kentucky6
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Louisiana1
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Maine5
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Maryland2
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Massachusetts5
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Michigan6
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Minnesota2
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Mississippi
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Missouri5
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Montana2
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Nebraska1
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Nevada1
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New Hampshire2
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New Jersey6
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New Mexico
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New York16
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North Carolina17
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North Dakota1
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Ohio14
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Oklahoma6
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Oregon6
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Pennsylvania7
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Puerto Rico
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Rhode Island1
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South Carolina3
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South Dakota
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Tennessee7
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Texas22
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Utah6
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Vermont5
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Virginia10
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Washington8
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West Virginia2
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Wisconsin3
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Wyoming
Obstacle Race Calendar United States 2026-2027
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
Explore the best obstacle runs in the United States for 2026-2027! Our updated list features 266 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
April 2026
Mud Factor comes to Tulsa Raceway Park on April 12, 2026, with Adult and KIDZ Family Waves. Participants must bring a signed waiver and adults a photo ID; spectators pay a cash fee for festival area access and children 14 and under attend free.
An obstacle course event in Tuscaloosa on April 17 and 18, 2026, featuring 20 plus obstacles including a Marine regulation O Course, with competitive, open, team heats and a Friday evening kids race during packet pickup and family night.
A trail event at Patriot Park offering a standard 5K and an obstacle 5K with mud pits and physical challenges. Proceeds support Restoration House Ministries and local restoration programs.
Experience an obstacle course challenge at the Pala Fox Raceway featuring 5K and 10K distances. Navigate mud pits and motocross tracks in the scenic Pala Valley with options for adults, teams, and children.
Experience an obstacle course race across the sand and slickrock of Page, Arizona. Conquer over 20 obstacles while running through the desert landscape right next to the iconic Horseshoe Bend.
Test your endurance at this 4 mile Kentucky obstacle course featuring over 25 challenges like the Warped Wall and Mud Pit. Your participation helps fund scholarships for children to attend summer camp.
Rise Thermopylae is an immersive endurance challenge set in Virginia's wilderness. Choose from 6, 12, or 24 hour events that combine rucking, obstacles, and psychological tests. It's led by elite coaches and focuses on personal development beyond phy..
Experience several miles of mud pits and obstacles at Amelia Earhart Park. This untimed event features a post race party and free entry for spectators to cheer on their favorite runners.
Experience an urban obstacle course race through the heart of downtown Dallas featuring a five kilometer course and twenty technical obstacles. Navigate city streets and skyscrapers while tackling rope climbs and walls at City Hall Plaza.
Experience an adrenaline filled obstacle course at Lucy Park featuring over 20 obstacles and a dedicated kids run. Enjoy a festive village atmosphere while supporting local community organizations in Wichita Falls.
Get ready for mud and obstacles at the Thomas College Dirty Dog Mud Run. This 5k course on campus features 12-14 obstacles. Choose from competitive heats, a multi-lap challenge, or a fun kids' race.
A 5K obstacle course at Lubber Run Community Center in Arlington, VA with two loops on the Lubber Run Nature Trail and 1,158 feet of elevation gain. ASC members attend free, non-members pay $50.
Tough Mudder Atlanta on April 25, 2026 at Bouckaert Farm near Fairburn GA offers 15K and 5K obstacle courses, Mudder Village spectator access, group packages, finisher medals and apparel, and a complimentary finisher drink.
Experience a complete Trifecta weekend at Vernon Peak with obstacle courses ranging from 5K to 50K. Test your grit on northern New Jersey mountain terrain featuring vertical climbs and over 60 obstacles for the elite Ultra distance.
The Emerald Coast Mud Run in Defuniak Springs is an obstacle course event featuring competitive and open 5k and 10k races, plus a kids' fun run. Participants navigate 25-30 mud-filled obstacles. The event also supports orphan populations worldwide.
Experience a foam filled course at the Music City Raceway in Goodlettsville. Participants pass through multiple foam stations and enjoy a post race celebration at this community focused event for all ages.
A charity event at Seamark Ranch featuring a 5K course with 26 obstacles through woods, fields, ponds and mud, plus a 1-mile fun run. Proceeds support Seamark Ranch, a Christian boys and girls home in Green Cove Springs.
Test your limits at this family adventure race in Tallahassee. Choose between three obstacle courses ranging from a junior sprint to a five kilometer challenge featuring over thirty different obstacles.
This Earth Month event features a 5K and a 1-Mile run at Colver Fields in Talent. The course might be naturally muddy, offering a unique spring run. All proceeds benefit the Outdoor Discovery Program for local students.
Mud Factor Fresno is a 5k mud run at Hobb's Grove in Sanger, CA on April 26, 2026. The all ages event runs Adult and KIDZ family waves; participants must bring a signed waiver and adults must show a photo ID.