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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California19
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Colorado3
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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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Georgia8
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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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Nevada2
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New Hampshire
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New Jersey4
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New Mexico
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New York6
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North Carolina12
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North Dakota
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Ohio3
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Oklahoma2
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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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Tennessee5
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Texas15
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Utah3
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Vermont7
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Virginia5
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Washington4
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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 187 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 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.
Join the Great Inflatable 5K on April 11, 2026 in Lake Worth for a playful twist on running with giant inflatables along the course. Expect a fun, family friendly vibe and a memorable run for all abilities.
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 and more than 20 obstacles at the Horseshoe Bend Obstacle Course Race in Page, Arizona. Soak up scenic views, face new 2026 challenges, and earn a finisher medal and limited edition race shirt for a memorable adventure.
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.
Tackle mud and obstacles at Tough Mudder Atlanta Apr 25 26 at Bouckaert Farms with 5K and 15K courses. Race with friends to share start times and score group savings; qualifying service members and first responders get up to 25 percent off.
Join Bubble Run Nashville on April 25, 2026 at Music City Raceway for a run full of foam and a post race bubble dance party. Choose standard or VIP registration for extra swag and help give a free entry to a local neighbor.
Get muddy for a cause at the 13th annual Seamark MudRun in Green Cove Springs. Tackle a 5K with 26 obstacles or enjoy a 1 mile fun run while supporting Seamark Ranch, a Christian boys and girls home.