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!
April 2026
A muddy obstacle race in Brewton, Alabama, featuring more than 3 miles through three parks, a youth course, free parking, showers and primitive camping; finishers receive a shirt, swag bag and medal.
An obstacle course event in Tuscaloosa on April 17 and 18 featuring 20+ obstacles including a Marine regulation O Course, multiple team and individual heats, and kids races with a Friday family night and food trucks.
A community trail race at Patriot Park on April 18, 2026 featuring a 5K and an Obstacle 5K with permanent structures, mud pits, vendors, and awards; proceeds benefit Restoration House Ministries support programs.
Take on the rugged terrain of Pala Fox Raceway at the San Diego Spartan Event Weekend. Choose from the Sprint 5K with 20 obstacles or the Super 10K with 25 challenges. A shorter kids race is also available for family fun.
Push your limits at the Horseshoe Bend Obstacle Course Race in Page, Arizona on April 18, 2026, where rugged trails meet stunning canyon views. Tackle over four miles and 20 plus man made and natural obstacles, then enjoy local sights.
A four mile obstacle course in Mackville with more than 25 obstacles including a Warped Wall, Multi-Rig and Mud Pit. The volunteer-run event raises funds for Camp Calvary’s Scholarship Fund to help children attend camp.
Rise Thermopylae is an immersive endurance challenge set in Virginia's wilderness. Choose from 6, 12, or 24 hour events that combine rucking, obstacles, and psychological tests. It's led by elite coaches and focuses on personal development beyond phy..
OCR Overload in Gainesville, Florida, offers a challenging 4.3-mile obstacle course with over 23 obstacles and a massive 140-foot finishing rig. The event also features a timed ninja run and a 5-mile trail run, plus food, drinks, and family-friendly..
Muddy Dash Miami offers a fun, non-competitive mud obstacle course at Amelia Earhart Park. The course spans a few miles with around a dozen muddy pits no deeper than waist level. The event includes a festival area for spectators and operates a charit..
The Spartan Dallas race brings a 5K obstacle course to the heart of the city on April 18, 2026. Participants will tackle 20 challenges like rope climbs, carries, and walls amidst the urban backdrop. Finishers earn a medal, tee, and access to the post..
April 18 2026 at Arrowhead Park in Neola Iowa features a marked 5k course with 5k, 10k and a 4 Hour Enduro options. The non profit event supports the Pottawattamie County Trails Association and awards medals to top finishers.
T.H.O.R. Texoma's Hellacious Obstacle Run in Wichita Falls on April 18, 2026 is a roughly 5K(ish) obstacle course with 20+ obstacles, food and music, plus a separate kids course for ages 4 to 12. Adult waves are open to ages 13 to 99.
A team-focused event in Fort Pierce on April 18, 2026 that combines obstacle courses, a 2 mile ruck march, competitive and fun runs with a festival atmosphere including vendors, food trucks, beer judging, and awards for multiple team divisions.
A family friendly mud run at Thomas College in Waterville on April 19, 2026, featuring a 5k course with 12 to 14 obstacles and a lap race option. The program includes a new kids race for ages 10 and under and a Mud Puppy Run.
Tough Mudder Atlanta on April 25, 2026 at Bouckaert Farm near Fairburn offers 15K and 5K obstacle courses with named obstacles and finisher items including a medal, shirt, headband and finisher drink.
Conquer the mountain at Vernon Peak during the Spartan Trifecta Weekend in New Jersey. Choose from a range of obstacle course distances, from a 5K Sprint to a demanding 50K Ultra. The weekend also features a kids race, workshops, and team racing oppo..
Mud-run event in Defuniak Springs on April 25 2026 with competitive 10k and 5k races, multiple open 5k waves and a kids one mile fun run; proceeds support vulnerable orphan populations internationally.
Get ready for a foam filled adventure at the Nashville Bubble Run on April 25, 2026. The event at Music City Raceway features colorful foam stations and a post race dance party. Choose from standard or VIP registration, which includes special souveni..
The Seamark MudRun is a 5K obstacle course through woods and mud with 26 challenges. This fundraiser supports Seamark Ranch, a local children's home. Participants can also join a shorter 1-mile fun run.