United States
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Alabama4
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Alaska1
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Arizona4
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Arkansas1
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California20
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Colorado8
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Connecticut2
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Delaware
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District of Columbia
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Florida17
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Georgia6
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Hawaii3
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Idaho2
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Illinois11
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Indiana9
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Iowa3
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Kansas2
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Kentucky6
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Louisiana1
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Maine5
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Maryland2
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Massachusetts5
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Michigan6
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Minnesota2
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Mississippi
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Missouri6
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Montana2
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Nebraska1
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Nevada2
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New Hampshire2
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New Jersey6
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New Mexico
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New York16
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North Carolina17
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North Dakota1
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Ohio15
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Oklahoma6
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Oregon6
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Pennsylvania7
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Puerto Rico
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Rhode Island2
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South Carolina4
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South Dakota
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Tennessee7
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Texas22
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Utah7
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Vermont5
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Virginia11
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Washington7
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West Virginia2
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Wisconsin3
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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 277 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
June 2026
Experience a 6.2 mile fun run hosted by the Marines at Fort Leonard Wood. Navigate natural Missouri terrain and various obstacles as an individual or in a team of four.
Experience an empowering 5k obstacle mud run designed for women at Dorothy P. Flint 4-H Camp. Support sisterhood and breast cancer awareness while navigating a fun and muddy course in Riverhead.
Experience a mud-filled obstacle course at Koenig Materials featuring rolling hills and scenic lakes. Choose between 5K, 15K, or multi-lap Infinity formats to earn the iconic orange headband and finisher medal.
An obstacle course race on June 13, 2026 at Riverside High School in Chattaroy, WA. The 5 mile course features 30 plus obstacles, competitive and open divisions, prizes for top competitive finishers, and proceeds support the school.
Experience a 5K trail and obstacle run featuring 24 challenges across a 400 acre campus in Wallingford. This inclusive community event supports adaptive sports programs through a mix of wooded trails and open fields.
Experience a mud filled obstacle course at Valley Speedway featuring various mud pits and a post race festival. Join as an individual or team for a non competitive day of crawling and sliding through the mud.
Turf Wars 2026 is a Tone House multi-zone athletic challenge at Chelsea Waterside Park in New York on June 13, 2026. Competitors face three timed zones and a Wild Card in Individual, Doubles, or Team divisions, with medals, prizes, and an adidas kit..
Experience a 5k obstacle mud run designed for women at Switchback MX in Butler. Support breast cancer awareness through a course focused on unity and empowerment in a fun environment.
Mud Factor Omaha is a 5K mud run at Bellevue Berry & Pumpkin Ranch in Papillion NE on June 14, 2026, with separate kid and adult waves. Spectators pay $10 for festival access and a signed waiver plus photo ID are required for participants.
A two day event at Gadsden Battlefield featuring a 10k obstacle race, a Friday night rope climb, a kids challenge, and volunteer opportunities. Multiple registration categories include competitive and non competitive options.
A family friendly obstacle course fundraiser on June 20, 2026 at IU East in Richmond, IN. The 3 mile course features 12 plus obstacles, finisher medals, shirts and a fan zone, with proceeds supporting athletic training services.
Experience a mud filled obstacle course at the Georgia International Horse Park in Atlanta. Enjoy incredible mud pits and a post race party with free entry for spectators to cheer you on.
A 5K obstacle-course mud run at the Sertoma Club of East Indianapolis with multiple heats, including family and dog-friendly options. Proceeds support Hollis Adams, and the day includes an after party with lunch and 21+ cocktails.
Experience a muddy trail adventure in Ellicottville featuring 15 obstacles across 4.2 and 6.0 mile courses. This family friendly event includes a kids race and scenic mountain ridgeline running with no electric shocks or fire.
A 5k mud run in Oak Harbor, Ohio on June 20, 2026 with 20+ obstacles and alternate challenge and Xtreme routes. Every participant receives a medal and the event will donate 10% of proceeds to Ronald McDonald House Charities.
Experience up to three miles of messy fun at the Colorado National Speedway. Navigate obstacles by crawling wading and sliding through the mud with friends and family during this unique event in Dacono.
Test your endurance at Elka Park with this 14.5 mile weighted event. Participants navigate over 5,000 feet of elevation gain while carrying a 20 pound pack through the New York landscape.
Test your strength at this exclusive obstacle course event in Peyton featuring a three lap 3K race and a one mile kids run. Navigate rigs, rope climbs, and heavy carries in a small field of only fifty athletes.
Mud Factor marks its 15th year at Dehn's Pumpkins and Events in Dayton, MN on June 20, 2026. The all-ages mud run offers Adult and KIDZ Family waves, requires a signed waiver, and admits spectators to the festival area for a $10 cash fee.