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 York7
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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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Virginia7
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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 200 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
May 2026
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.
Montana Spartan Trifecta Weekend at Wrangler Springs Ranch in Bigfork invites racers to tackle kids to Ultra distances on scenic high altitude terrain. Sign up solo or as a team for group pricing and start time locks; service members and first respon..
Test your speed, stamina and teamwork at the Ultimate Raider Challenge in Dry Ridge, a nonstop JROTC fitness competition mixing runs, obstacles and shuttle sprints. Compete solo or with a team for medals and plaques.
Test your grit in Texas Hill Country at the Austin Spartan on May 16 and 17, 2026 at Reveille Peak Ranch, with rocky granite slabs, rolling hills and wildflower lined trails. Choose sprint, super, kids races or epic Hurricane Heat challenges for a we..
Tackle three Spartan obstacle races in one epic Trifecta Weekend at Snow Summit, Big Bear Lake. Race high at 8,200 feet with rugged climbs and earn your spot at the 2026 Trifecta World Championship.
Challenge yourself at the Cleveland Spartan Trifecta Weekend in Windham, Ohio, where rugged off road trails, muck and dozens of obstacles await. Complete the Sprint, Super and Beast in one weekend to earn your Trifecta.
Get muddy at Tackle the Tar, a 5K obstacle course and family fun day in Rocky Mount with 15 plus obstacles through historic Battle Park. Proceeds support local college scholarships and racers get a T shirt, medal and a beer for 21 and over.
Tackle obstacles and celebrate grit at The Bear Crawl OCR on May 16, 2026 in Morganton, NC. A nonprofit race day features distances from 1 mile kids runs to 6 mile competitive courses, perfect for families and serious racers alike.
Join the Foreshore Adventure Run on May 16, 2026 at Pere Marquette Beach for the 11th annual 5K featuring new obstacles and both competitive and fun run options. All proceeds support Muskegon Rescue Mission and entrants get a moisture wicking tee.
Race a timed two hour 10K across a 575 acre farm at Life Adventure Center with 18 checkpoints featuring mountain biking, ziplining, archery and canoeing. Teams of two or four earn points for trophies while supporting outdoor programs.
Get muddy and test your strength at the Gladiator Assault Challenge in Boone, Iowa, May 16 to 17. Choose from the full Gladiator course, a 5K charge, Junior Parent 5K or Elite heats and earn a finisher shirt, medal and bragging rights.
Join the Mad Dash at Treetop Adventures on Lake Hickory featuring a 5K, a swim plus obstacle Mad Dash Challenge, and a kids fun run. Enjoy live music and food while supporting the North Carolina Boys Academy and Camp David.
Charge through thick mud, river beds and rolling hills at Tough Mudder Philly 2026 in Coatesville. Tackle epic obstacles on 5K, 15K or all day Infinity laps, then celebrate with fellow Mudders in the lively Mudder Village.
Frontline OCR at Byron Motosports Park on May 23, 2026 honors military, veterans, and first responders with purpose built obstacles that test physical and mental grit with no scheduled breaks. Choose from 10K, 5K, ruck and a kids course.
Join Austin Muddy Dash on May 23 for a few miles of waist deep mud pits and a dozen playful obstacles. Costumes welcome and a post race festival with food, music and on site competitions makes it a fun, non competitive day out.
Get muddy at the Dallas Fort Worth Muddy Dash on May 23, 2026 at Village Creek Motocross Park in Fort Worth. Tackle a few miles and a dozen playful obstacles, then celebrate with food, music, and post race festivities.
Take on the Tough As Nails Urban Challenge in downtown Wheeling, an action packed obstacle race covering 5+ miles and more than 20 urban obstacles including flood walls and steep inclines. Finish strong and celebrate with food, drinks and live music.
Join the Monterey Spartan weekend at Toro Park on May 30 and 31, 2026 for obstacle course races and Spartan Trail runs set among wooded rolling hills with coastal views. Expect climbs, sprints and fun obstacles for all ages.
Take on the Colorado Springs Spartan Trifecta Weekend May 30 to May 31 at Fort Carson high in the Rockies. Rugged trails, steep climbs and dozens of obstacles across Sprint to Ultra distances promise a challenging, fun weekend for racers and teams.
Get muddy at the Oklahoma City Muddy Dash on May 30 at Lost Lake Entertainment Complex, tackling a few miles of playful obstacles. Costumes, food, music and a lively post race party make this a fun, social day for all.