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 Columbia
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Florida23
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Georgia7
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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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Nevada3
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New Hampshire
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New Jersey5
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New Mexico
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New York6
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North Carolina13
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North Dakota
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Ohio6
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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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Tennessee4
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Texas16
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Utah5
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Vermont7
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Virginia6
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Washington3
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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 198 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
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.
Run the Gladiator Challenge in Tallahassee on April 25, 2026 for a family friendly obstacle adventure with courses for kids and adults. Food trucks, games, bounce houses and an awards ceremony make it a full day of fun.
Take on NorCal DEKA FIT & Ultra in Sacramento, April 25 to 26, 2026, at the SAFE Credit Union Convention Center. Race an indoor 5 km DEKA FIT arena with 10 fitness zones and weekend formats for both DEKA FIT and Ultra competitors.
Test your strength and speed at the Summit View HYROX Race Sim on April 25 in Rocky Mount VA. Join as an individual, doubles, or relay team for a full HYROX challenge with medals and shirts for all finishers.
Get dirty at Mud Factor Fresno, a 5K mud and obstacle run at Hobb's Grove in Sanger on April 26, 2026. Family friendly waves for adults and kids make this a fun, messy day of obstacles, photos and festival vibes.
May 2026
Hit the Fayetteville Spartan Race at McCormick Farms May 2 to 3 for a Trifecta weekend across rugged forest, hills and a quarry. Courses for all levels plus a kids race make it a great weekend for racers and families.
Join Run Wild Races XII: Run for Tortoises on May 2, 2026 at Metro Richmond Zoo for a family friendly fundraiser supporting endangered tortoises. Choose a 1 mile fun run, a trail 5k or the Wild Ninja obstacle course and enjoy a shirt, medal and same..
Charge through mud and hand built obstacles at the Daniel Barden Mudfest in Deansboro while supporting scholarships and local charities. Pick a 5 Mile, 5k or Kids Fun Run and enjoy a music filled afterparty with local bands and brews.
Tackle fast, scenic trails at the Seattle North Spartan on May 2 to 3 at Meadow Wood near Snohomish WA. Flat evergreen forest courses by the Snohomish River offer Sprint Super and Kids races for a fun, competitive weekend.
Get messy at Mud Factor McKinney, a 5K mud and obstacle run at Myers Park on May 2, 2026, with family KIDZ and adult waves. Tackle muddy obstacles, grab pro photos after the run, and celebrate with fellow racers.
Run through Raymond James Stadium at the Spartan Stadion 5K on May 2 2026, with 20 obstacles weaving through bleachers, the pirate ship and stadium stairs. Family friendly with a kids race and discounts for qualified service members.
Join TOUGH Gator in Merritt Island for a mud filled obstacle run with a competitive 5K and a fun 2K. Race across swampy trails and 30 plus obstacles while supporting international relief work.
Run by torch light through illuminated obstacles at the Dark Ages Night Obstacle Race, where technical rigs, heavy carries and archery test your grit. Finish the night with live entertainment, bonfires, food and a medal and t shirt.
Get dirty at Muddy Dash San Diego on May 2 at Bates Nut Farm, a few miles of muddy obstacles where you can run, crawl, wade and slide. Costumes welcome and a lively post race festival caps off the fun for all ages.
Get down and dirty at Muddy Dash on May 2, 2026 at the Jacksonville Equestrian Center. This family friendly, noncompetitive mud obstacle run invites costumes, finisher medals, and a lively post race party.
Challenge the original Spartan Trail at the Bloodroot Spartan Ultra in Vermont's Green Mountain National Forest, May 6 to 9, 2026. Options span 10 mile to 200 mile on rugged climbs and descents, with team entries and service member discounts.
Get muddy at Mudder's Day Madness on May 9, 2026 with a 5K obstacle course, lake dip and a fun run for kids, plus costumes, music and vendors. Proceeds benefit Harmony's therapeutic programs at Camp Montvale.
Push your limits at DEKA FIT & Ultra in Austin May 9-10, 2026, a lively 5 km hybrid course with 10 fitness zones. Compete or volunteer for race credit, and enjoy service member discounts while tackling varied functional challenges.
Join the Challenge Obstacle Run in West Jordan for a festival of mud, climbing walls, inflatable attractions and slip slides, with obstacles you can skip if you prefer. Proceeds support classroom grants through the Jordan Education Foundation.