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 Columbia1
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Florida23
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Georgia7
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Hawaii2
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Idaho2
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Illinois8
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Indiana11
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Iowa2
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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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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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Nevada4
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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 Carolina14
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North Dakota
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Ohio7
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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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Tennessee5
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Texas19
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Utah5
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Vermont7
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Virginia7
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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 217 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
Tackle rugged terrain and military inspired obstacles at Leon's Heroes Obstacle Course Race on September 13, 2026 at Indiana Dunes West Beach in Gary, Indiana. Choose 10k, 5k or K9 divisions for a scenic, spirited challenge that honors our troops.
Join ROCovery's Run Walk X Challenge on Sept 13, 2026 at Mendon Ponds Park in Henrietta, NY to support people in recovery. Run or walk in person or virtually with 5k and 10k options and help a cause that has engaged over 11,000 people.
Join the Vermont Spartan Race at Killington on Sep 19 and 20, 2026 for Sprint, Beast, Ultra and Kids courses through rugged Green Mountain terrain. Expect steep climbs, off trail descents, tough obstacles and team and volunteer perks.
Tackle rugged evergreen trails between Puget Sound and the Cascades with sprint, super, beast or kids courses packed with classic Spartan obstacles. Celebrate at the festival area and earn finisher swag while testing your grit on scenic PNW terrain.
Tough Oaks OCR is a rugged 5k with 20 plus obstacles through fields, woods and shallow water at Camp Albemarle, Newport on September 19, 2026. Choose a timed Elite Heat or a family friendly Open Race and enjoy pre race festivities.
MIDWEST OCR at The Cliffs delivers a rugged obstacle course set among hills, cliffs, ravines, creeks and trails with options from kid friendly laps to challenging multi lap events. Every finisher gets a shirt, medal and pro action photos.
Take on sand dunes, creek beds and muddy obstacles at the Midwest Spartan Trifecta Weekend at Badlands Off Road in Attica, IN. Pick a Sprint, Super, Beast or Kids race for a thrilling off road challenge and finishers rewards.
Tackle rugged trails and course obstacles at the Temecula Spartan weekend, Sep 26 to 27, 2026, at Lake Elsinore Raceway. Choose Sprint, Super, Kids races or Hurricane Heat and soak up Southern California sun by the lake.
Tough Mudder Colorado at Fort Carson on September 26, 2026 invites teams and solo runners to tackle a rugged trail obstacle course with iconic challenges. Mudder Village brings live music, food vendors and spectator fun for the whole crew.
Join the Wild Boar Challenge in Saint Charles, Iowa on Saturday, September 26, 2026. This off road obstacle event tests speed and agility with a 5 mile course or a fun 1.5 mile Piggy Trot while raising funds for local Iowa causes.
Get muddy at the Houston Muddy Dash in Conroe with a fun few mile course featuring a dozen playful obstacles and waist deep mud pits. Costumes welcome, it is untimed, and finishers get a medal plus a lively post race party.
October 2026
A Spartan obstacle weekend at Nevada State University on Oct 3 and 4, 2026 featuring Sprint, Super, Kids races and Hurricane Heat formats in the foothills of Henderson, about 15 miles from the Las Vegas Strip.
Obstacle course races at Neal Farms near Nashville combine rolling fields, dense woods, and a 12 foot wide creek. Formats include Sprint, Super, kids races, a 4 hour Hurricane Heat, plus options for teams and spectators.
Get gloriously muddy at the Muddy Dash in San Antonio on October 3, 2026, with a few miles of course and about a dozen waist deep mud obstacles. Costumes are encouraged, the event is untimed, and a lively post race festival with music caps the fun.
Catch the North American Wife Carrying Championship at Sunday River, where teams race a short obstacle course with log hurdles and a notorious water hazard for quirky prizes. Part of Fall Fest, this lively event blends speed and spectacle.
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 to get messy in Honolulu on October 10 2026 at Muddy Dash, a fun untimed obstacle run with a dozen muddy challenges and a festival finish. Costumes welcome and choose Value or VIP entries for extra perks.
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.