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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California19
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Colorado3
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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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Georgia8
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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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Nevada2
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New Hampshire
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New Jersey4
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New Mexico
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New York6
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North Carolina12
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North Dakota
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Ohio3
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Oklahoma2
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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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Texas15
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Utah3
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Vermont7
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Virginia5
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Washington4
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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 187 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
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.
Tough Mudder Philly hits Plantation Field on May 23 and 24 for a muddy, natural terrain obstacle adventure across river beds and rolling hills. Choose 5K, 15K or Infinity laps, enjoy Mudder Village vibes and earn a finisher medal and shirt.
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.
Muddy Dash in Austin on May 23 is an untimed mud run with about a dozen muddy obstacles and a festival of music, food, and post race fun. Costumes welcome and teams encouraged for a messy, memorable 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.
Tackle a 3 mile urban obstacle course through downtown El Paso with shipping container climbs, cold plunges and team zones. Waves every 10 minutes, plus live DJs, food trucks, finisher medals and a big finish line celebration.
June 2026
Run the Tri State New York Spartan at Bethel Woods on June 6 and 7, 2026 across rolling hills and wooded trails, with Sprint, Super and kids races. On site camping and festival vendors make it a weekend outing.
Spartan obstacle racing returns to Perfect North Slopes near Cincinnati for a Trifecta Weekend on June 6 and 7, 2026, featuring steep climbs, mud, water and alpine terrain. Tackle Sprint, Super, Beast or Ultra distances for a scenic, rugged challenge..