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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Colorado6
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Connecticut2
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Delaware
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District of Columbia1
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Florida24
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Georgia7
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Hawaii2
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Idaho3
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Illinois9
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Indiana10
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Iowa3
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Kansas4
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Kentucky4
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Louisiana
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Maine4
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Maryland3
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Massachusetts4
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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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Nevada4
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New Hampshire
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New Jersey6
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New Mexico
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New York11
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North Carolina13
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North Dakota
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Ohio9
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Oklahoma3
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Oregon2
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Pennsylvania6
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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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Tennessee5
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Texas21
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Utah5
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Vermont6
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Virginia8
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Washington5
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West Virginia2
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Wisconsin1
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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 237 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
March 2026
Tough Mudder Los Angeles returns to Lake Elsinore Raceway on March 21, 2026. Choose from muddy 5K and 15K obstacle courses, or take on the multi-lap Infinity challenge. Finishers receive a medal, shirt, headband, and a celebratory drink.
Run, walk, or take on a unique fitness challenge at Johnson University to support local veterans. Choose from a 5K, family walk, or the demanding Hero's Challenge, which combines running with bodyweight exercises. All proceeds aid Operation Hero's Hi..
Hyrox returns to Houston's George R. Brown Convention Center in March 2026. The four-day event features multiple fitness competition divisions for individuals, doubles teams, and relays. Athletes can expect a finisher's patch, live results, and an on..
Event Overview
The Palm Beaches Spartan Event Weekend takes place on March 28-29, 2026 at Burt Aaronson South County Regional Park, based at the Sunset Cove Amphitheater in Boca Raton, Florida. The event features obstacle course races.
Races and Acti..
This inaugural event sends teams of two on a 5-mile adventure race through New Smyrna Beach. Over 20 obstacles mixing puzzles and physical challenges await, promising a wet and active experience. Awards will be given for the fastest teams and best co..
Muddy Dash is a fun mud run happening at Oak Canyon Park in Silverado, CA. Choose from Value or VIP registration, which includes a medal and gear. Spectators cheer for free, and packet pickup is available the day before.
A hybrid racing event indoors at Indiana Tech's track in Fort Wayne. Competitors choose between short or long distances, four weight classes, and run alternating with strength stations like sled pushes and sandbag carries. The event offers individual..
Mudders and Grunters is a trail race in Yorktown Heights on March 29, 2026, featuring an approximately 5 mile single loop through mud, water crossings and some hills. It is part of the 2026 Trail Mix Series.
April 2026
HYROX returns to Miami Beach in April 2026 for a three-day fitness competition at the convention center. Athletes compete in various divisions across the weekend near the iconic beachfront. The event includes a finisher's patch, posted results, and a..
The Spartan Event Weekend at Porter Farms near Charlotte offers obstacle course racing on raw, rugged terrain. Choose from a 5K Sprint, 10K Super, or a Kids Race. Additional events include endurance heats and an obstacle workshop.
The Spartan Trifecta Weekend returns to Woodward Reservoir Regional Park near San Jose. Choose from five obstacle course distances, from a 5K Sprint to a 50K Ultra, across a flat, scenic landscape.
Muddy Dash Tucson is a fun-focused mud run with a dozen obstacles at Old Tucson. It's not timed, costumes are encouraged, and spectators get in free. Choose between Value or VIP registration with extra gear.
This 5k obstacle course in Cuero, Texas features 12 physical challenges. The event is a fundraiser supporting veterans and first responders.
An obstacle course race in Cumberland, RI covering about 3.2 miles and roughly 1,000 feet of elevation. Multiple waves are offered including elite and age-group mandatory completion, multilap options and a 12 hour ultra; finishers get a medal and shi..
Mythic Race 2026 in Sikeston Missouri on April 11 offers multiple formats including a 3.1 mile obstacle course with 25 plus obstacles, a five hour endurance option, a children's 1.5 mile race, and a virtual 5k qualifier.
The Ultimutt Race is a 5k obstacle course designed for dog and owner teams, featuring 17 challenges. Choose between a timed competitive wave or a non-competitive fun run. The event includes an all-day festival and supports local animal shelters.
The Great Inflatable 5K features a course with 11 large inflatable obstacles like Leap of Faith and Mega Mountain. The event includes live music, food trucks, and a finisher medal for all participants.
Muddy Dash at Bootleg Canyon on April 11, 2026 is a few miles of mud obstacles with about a dozen waist-deep mud pits. Packet pick up is April 10; spectators attend for free and a post-race festival is provided.
DEKA FIT Roadshow in Grand Island on Apr 11, 2026 features a 5 km course with 10 fitness zones inside an active airport hangar. Competition includes age group waves, ruck, elite heats and two person teams.