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!
September 2026
Experience an action packed day in Dallas, Georgia, at the Savage Race Fall event. Choose from Pro, Open, Blitz, or Ruck divisions to match your preferred level of participation.
A weekend of obstacle races at Killington Ski Resort in the Green Mountains with Sprint, Beast, Ultra and Kids formats. Courses include steep slopes, off-trail descents and multiple obstacles across varied terrain.
The Seattle North Spartan North American Championship Weekend arrives in Monroe, Washington. This 2026 obstacle course event offers multiple race distances through wooded Pacific Northwest trails. It features the Sprint, Super, and Beast courses for..
Midwest OCR at The Cliffs Insane Terrain Off-Road Park near Marseilles, IL offers 5K and 10K obstacle courses, a competitive 10K Elite with cash prizes, a three lap Bearded Challenge, ruck options, and a kids course.
The IM ABLE Games is a day of inclusive fitness and fun at the Mid-Atlantic Air Museum. It features a bike race, an obstacle course, a casual 2-mile run/walk, and a hot wing eating challenge. The event concludes with an Afterburner Party under vintag..
A Trifecta weekend of Spartan obstacle races at Badlands Off Road in Attica IN with Sprint Super and Beast distances plus a kids race and spectator access. Team entries and service member discounts are available.
Spartan returns to Lake Elsinore Raceway for a weekend of obstacle course racing. Choose from the 5K Sprint, 10K Super, or Kids races, all featuring rugged trails and plenty of mud. Teams can race together and service members qualify for discounts.
Tough Mudder Colorado returns to Fort Carson on September 26, 2026. Choose the 15K or 5K course packed with signature obstacles like Electroshock Therapy. Finishers earn medals, shirts, and a celebratory drink.
The Wild Boar Challenge is a 5-mile off-road obstacle course in Saint Charles, Iowa. Organized locally, it lets runners help design the obstacles they'll tackle. All funds raised support the local Iowa community.
Experience a messy outdoor adventure at Three Palms Action Sports Park in Conroe. Navigate up to three miles of mud and obstacles as you run crawl and slide toward the finish line with friends and family.
Event Overview
The ZooTown Challenge Obstacle Course Race takes place on September 26, 2026 at Washington-Grizzly Stadium in Missoula, Montana. The event features seven different race categories.
Race Categories and Distances
Multiple distances and c..
October 2026
Tackle the Nevada desert at the Las Vegas Spartan Weekend. Choose from Sprint, Super, and Kids obstacle course races near the Vegas Strip. The event also features team options and endurance Hurricane Heat challenges.
The Nashville Spartan Weekend returns to Neal Farms in Lebanon, TN. Racers can tackle a 5K Sprint or 10K Super, navigating woods, fields, and a wide creek. The weekend also features kids races and endurance Hurricane Heat events.
Experience a fun focused obstacle run at Cycle Ranch Pro featuring waist deep mud pits and themed obstacles. This non timed event includes a finisher medal and an lively post race festival for runners and spectators.
Tackle a 1.5-mile farm-themed obstacle course at Heim's Hillcrest Dairy. The event features challenges like feeding calves, flipping tires, and climbing hay bales. Afterwards, enjoy a yogurt bar and an optional farm tour.
Experience Zombie Mania in Rexburg, Idaho on October 10, 2026, a timed 5K through Nature Park and Eagle Park where volunteers dressed as zombies try to grab your health flags. A fun 1 mile costume run is offered for kids and adults.
Get ready for a muddy good time at Muddy Dash Honolulu. This non-competitive obstacle course features a few miles of fun with about a dozen muddy challenges. After the run, enjoy a free festival with music and food.
Join TRYROX FullRox, a HYROX simulation in Overland Park KS on Oct 10 and 11, 2026. Solo or doubles on a 40,000 sq ft indoor turf field with alternating runs and eight workout stations for a test of strength and speed.