United States
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Alabama1
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Alaska
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Arizona3
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Arkansas2
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California21
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Colorado4
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Connecticut2
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Delaware
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District of Columbia
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Florida23
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Georgia7
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Hawaii1
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Idaho2
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Illinois7
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Indiana11
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Iowa2
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Kansas
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Kentucky4
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Louisiana
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Maine3
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Maryland3
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Massachusetts3
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Michigan4
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Minnesota1
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Mississippi
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Missouri4
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Montana1
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Nebraska
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Nevada3
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New Hampshire
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New Jersey5
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New Mexico
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New York7
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North Carolina13
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North Dakota
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Ohio6
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Oklahoma3
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Oregon1
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Pennsylvania4
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Puerto Rico
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Rhode Island1
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South Carolina4
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South Dakota
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Tennessee4
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Texas16
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Utah5
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Vermont7
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Virginia7
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Washington3
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West Virginia2
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Wisconsin1
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Wyoming
Obstacle Race Calendar United States 2025-2026
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 2025-2026! Our updated list features 200 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
Tackle mud, creeks and rolling trails at the Charlotte Spartan Event Weekend at Porter Farms near Concord. Choose sprint, super, kids races or Hurricane Heat endurance events and join teams with discounts for service members and first responders.
Join the 2026 San Jose Spartan Trifecta Weekend Apr 4 to 5 at scenic Woodward Reservoir Park for flat, fast courses and obstacle racing across two action packed days. Choose Sprint, Super, Beast, Ultra or Kids and race solo or with a team.
Tackle playful mud pits and a dozen Muddy Moments at the Tucson Muddy Dash at Old Tucson on April 4, 2026. Costumes are encouraged and the focus is on fun not racing, with a festive post race party for all finishers.
F.I.T. the Challenge OCR on April 11, 2026 in Cumberland RI is a rugged 3.2 mile obstacle course with climbs and technical terrain. Multiple waves and a 12 hour ultra welcome all levels, and finishers earn a shirt and medal.
Conquer 25+ obstacles on a rugged 3.1 mile course at the Mythic Race in Sikeston, Missouri. Choose competitive, endurance or family waves and earn a shirt and finisher medal while supporting Heart of the Bride Ministries.
Bring your dog to UltiMutt Race on April 11, 2026 for a playful 5K with 17 obstacles and an all day festival atmosphere. Pick competitive or fun run, grab medals and swag, and support local animal shelters.
Jump into fun at The Great Inflatable 5k in Lake Worth, where runners tackle giant inflatable obstacles for a playful, energetic race experience. Enjoy live DJs, food trucks, vendor booths and a swag bag with a custom finisher medal.
Tackle a few miles of playful mud obstacles at Vegas Muddy Dash in Bootleg Canyon on April 11, 2026. This untimed, costume friendly event ends with a lively post race party and festival for participants and spectators.
Take on the fifth annual Tuscaloosa Gauntlet April 17 and 18, 2026, featuring more than 20 obstacles including a Marine O Course. Competitive, open and team heats run alongside a kids race and Friday family night with food trucks.
Tackle trails, mud pits and permanent obstacles at the 1000 Strong Overcoming Obstacles 5K in Victoria, TX, supporting Restoration House Ministries. Choose a standard 5K or the Obstacle 5K for a fun, challenging day with vendors and food trucks.
Tackle rugged trails, mud pits, rope climbs and motocross terrain at the San Diego Spartan Race on April 18 and 19 at Pala Fox Raceway. Choose Sprint, Super or Kids courses and celebrate your finish at a lively festival style gathering.
Tackle rugged desert terrain at Horseshoe Bend in Page, Arizona with over 4 miles of sand, slickrock and more than 20 obstacles including five new challenges. Finishers get a medal, limited edition tee and on course fuel and water.
Take on the Challenge Race at Camp Calvary in Mackville on April 18, 2026, a 4 mile obstacle course with over 25 thrilling challenges from warped walls to mud pits. All ages welcome and proceeds support Camp Calvary scholarships.
RISE: Thermopylae was an immersive endurance and leadership challenge on rugged backcountry loops near the Allegheny Mountains, pairing ruck work, obstacle zones, and stress tests. The April 18, 2026 Raphine Virginia event was cancelled.
Get down and dirty at OCR OVERLOAD on April 18 in Gainesville with a 4.3 mile course of mud, 23 plus obstacles and a 140 foot finisher rig, plus a 50 yard timed ninja run and a 5 mile trail run or walk. Celebrate at the finish with swag, food and dri..
Get messy at Muddy Dash Miami with a few miles of waist deep mud pits and a dozen playful obstacles where running, crawling, and costumes are welcome. Celebrate after with food, music and a lively festival.
Tough Mudder Atlanta hits Bouckaert Farm April 25 and 26 for muddy forest trail courses. Choose 15K or 5K, tackle signature obstacles like Mudderhorn, and soak up Mudder Village with finisher swag and a post race drink.
Join the 2026 Spartan Trifecta Weekend at Mountain Creek Resort in Vernon NJ on Apr 25 and 26 for rugged mountain terrain and big climbs. Race Sprint to Ultra distances or a kids course, with team start options and military discounts.
Tackle 25 to 30 muddy obstacles at the Emerald Coast Mud Run with competitive and open races plus a kids fun run. Enjoy a fun faith centered weekend while supporting vulnerable orphan populations worldwide.