United States
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Alabama3
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Alaska
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Arizona4
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Arkansas1
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California20
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Colorado5
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Connecticut2
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Delaware
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District of Columbia1
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Florida25
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Georgia7
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Hawaii2
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Idaho3
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Illinois10
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Indiana8
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Iowa3
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Kansas4
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Kentucky4
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Louisiana1
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Maine3
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Maryland3
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Massachusetts5
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Michigan5
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Minnesota1
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Mississippi
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Missouri4
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Montana2
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Nebraska1
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Nevada3
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New Hampshire
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New Jersey8
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New Mexico
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New York10
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North Carolina14
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North Dakota
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Ohio10
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Oklahoma4
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Oregon3
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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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Texas23
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Utah4
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Vermont5
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Virginia7
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Washington5
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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 245 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
August 2026
Get muddy in Lewiston at the LC Valley Down and Dirty Mud Run. This event mixes cross-country running with obstacle courses over 1 Mi and 3.2 Mi distances. It's open to all ages and skill levels for a fun, dirty experience.
September 2026
The Ultimate SUCK is a grueling multi-hour endurance challenge on an Illinois farm. Participants face undisclosed physical tests blending farm work, military drills, and trail running. Three timed options are available, each with strict gear and no-s..
Get sandy and wet at the Sterling Down and Dirty 5k. This annual September obstacle race on Stratford Short Beach features over 18 fun challenges for all fitness levels. All proceeds support the Sterling Community Center's local programs.
Get ready to get messy at Muddy Dash in Butler, PA. The 2026 event offers mud pits, a festival area, and free spectator entry. Choose from Value or VIP registration packages.
The Terrain Race at Golden Spike Event Center is a 5k obstacle course with mud, walls, and ropes. A separate Mini Monkey Run is for kids. The event features a post-race festival and is open to spectators for free.
Conquer The Gauntlet returns to the 181 Ranch in Bixby, OK, on September 12, 2026. The event features competitive and open waves, with a kids course available for younger participants. Early registration offers a price of $75, with group discounts av..
Test your endurance at this 4 mile off road challenge featuring over 30 obstacles and stream crossings. Choose between competitive or non competitive runs and prepare to get muddy at Fort Gordon.
Take on the rugged mountain challenge at Tough Mudder Big Bear. This obstacle course event features 5K and 10K distances with iconic obstacles like The Block Ness Monster. Participants earn a finisher medal, shirt, headband, and a celebratory drink.
Get ready for muddy fun at the Muddy Dash in Detroit. This non-competitive obstacle course features about a dozen slippery, wading challenges over a few miles. Enjoy a festival atmosphere and post-race party after you cross the finish line.
The Spartan Stadion event takes over Angel Stadium for a 5K obstacle course race. Racers tackle 20 obstacles and navigate the stadium's bleachers. A kids' race and spectator tickets are also available.
An obstacle mud run in Clemmons on September 12, 2026, featuring a 5K for ages seven and up and a 1 Mile Fun Run. Proceeds support YMCA health programs and entries include individual and Team of Four options.
An outdoor obstacle course at Everest Park on September 12, 2026 featuring about forty man made and natural obstacles over just over four miles, plus a Mini Muddy for ages 5 to 11. Proceeds support Champions for Life.
Get muddy at the Nash Ranch Mud Run, a family-friendly obstacle course at the ranch in Redding. This event supports local children's programs through the Active 20-30 Club.
This Marine Mud Run in Maryville, TN is a roughly 3-mile off-road adventure. The course takes you over trails, through obstacles, and into mud pits and water. A separate 1-mile kids' mud run is also offered.
The City Challenge Race returns for its 12th year on the Jersey City waterfront. This is the only event of 2026, featuring a fast 3-mile urban obstacle course with over 20 unique challenges. Participants receive finisher medals, professional timing,..
A women only 5K obstacle mud run in Gaston, South Carolina on September 13, 2026, featuring 18 plus obstacles and on-course amenities. The event partners with the National Breast Cancer Foundation and offers multiple volunteer roles with benefits.
This obstacle course race at Indiana Dunes National Park offers three distances, including a K9 event. The course features diverse terrains inspired by military landscapes. It's open to participants aged 13 and up.
A hybrid in-person and virtual fundraiser on September 13, 2026 in Henrietta NY, offering 5k and 10k options to support ROCovery's recovery programs and remember lives lost. Early bird registration and race swag are available.
Join a community event in Reynoldsburg featuring a 5k obstacle course or a paved 5k run to support veterans and military families through Hope For The Warriors.