Obstacle Race Calendar United States 2025-2026

Tough Gator Mud Run

Merritt Island, Florida

5 km

Take on jungle and swamp trails at the TOUGH Gator Mud Run in Merritt Island, with more than 30 mud soaked obstacles across 200 acres. 2K and 5K family and competitive options raise funds for Teen Missions International.

Dark Ages Night Obstacle Race

McHenry, Illinois

5 km

Run by torchlight through illuminated obstacles and rugged rigs at the Dark Ages Night Obstacle Race in McHenry. Enjoy bonfires, live entertainment and a finisher medal and shirt after a thrilling night of archery and heavy carries.

6-9

We - Sa

Bloodroot Spartan Ultra

Pittsfield, Vermont

10 mi 200 mi

Push your limits at the Bloodroot Spartan Ultra, a multi day trail event May 6 to 9, 2026 in Vermont's Green Mountain National Forest, with distances from 10 miles to a 200 mile challenge. Expect rugged climbs, stunning views and team start options.

Mudder's Day Madness Mud Run 5K

Maryville, Tennessee

5 km

Get muddy for a cause at Mudder's Day Madness Mud Run, featuring a 5K and Fun Run with over 20 obstacles, music, vendors and costume fun. Proceeds benefit therapeutic programs at Camp Montvale.

Savage Race - Maryland Spring

Kennedyville, Maryland

3 mi 7 mi

9-10

DEKA FIT - Austin, TX

Austin, Texas

5 km

Test your strength at DEKA FIT & Ultra in Austin on May 9 to 10, a fast 5 km challenge of ten functional zones with short runs between stations. Finishers get a tee and medal and can score on the global DEKA leaderboard.

The Challenge Obstacle Run

West Jordan, Utah

9-10

Montana Spartan Trifecta Weekend

Bigfork, Montana

5 km 10 km Half Marathon 50 km

Take on the Montana Spartan Trifecta Weekend at Wrangler Springs Ranch, where high elevation, rugged terrain and scenic views set the stage for thrilling obstacle racing. Choose from Sprint to Ultra distances plus a kids race and celebrate in the fes..

Austin Spartan Event Weekend

Burnet, Texas

5 km 10 km 4 hr 12 hr

Join Spartan Race at Reveille Peak Ranch in the Texas Hill Country on May 16 and 17, 2026 for rugged trails, rocks and mud. Options include kids races, Sprint and Super distances and epic Hurricane Heat endurance challenges.

Big Bear Spartan Weekend

Big Bear Lake, California

5 km 10 km Half Marathon

Push your limits at the Big Bear Lake Spartan Race at Snow Summit on May 16 and 17, 2026, a Trifecta Weekend high in the mountains. Choose Sprint, Super, Beast or Trail courses over steep climbs and classic Spartan obstacles, then earn your finisher..

Cleveland Spartan Trifecta Weekend

Garrettsville, Ohio

5 km 10 km Half Marathon 50 km

Hit rugged trails and fierce obstacles at the Cleveland Spartan Trifecta Weekend, May 16 and 17, 2026, at Southington Off Road Park. Sprint, Super or Beast distances offer finisher swag and the chance to earn a Trifecta medal.

Tackle The Tar

Rocky Mount, North Carolina

5 km

Join Tackle the Tar on May 16, 2026 at Rocky Mount Sports Complex for a spirited 5K obstacle course and family fun day. Run through a mud pit and more than 15 obstacles while helping raise funds for local college scholarships.

The Bear Crawl OCR

Morganton, North Carolina

2 mi 3 mi 6 mi

Challenge yourself at Bear Crawl OCR in Morganton, NC, an obstacle course for all ages with one to six mile options and youth Cub Crawl races. Family friendly and run by a nonprofit with proceeds supporting the local community.

Foreshore Adventure Run

Muskegon, Michigan

5 km

Foreshore Adventure Run at Pere Marquette Beach is a 5K packed with on course obstacles and both competitive and team friendly adventure options. Proceeds benefit Muskegon Rescue Mission and every runner gets a moisture wicking tee.

Extreme Adventure Challenge

Versailles, Kentucky

10 km

Join the Extreme Adventure Challenge on May 16, 2026 at Life Adventure Center for a timed team fundraiser across a scenic 10K farm course. Two and four person teams tackle trails, zipline, canoeing and archery in a fun, competitive day.

Gladiator Assault Challenge

Boone, Iowa

5 km

Battle through mud and over daring obstacles at the Gladiator Assault Challenge, a weekend test of endurance, speed, strength and grit at Seven Oaks Recreation. Choose a full course, 5K, Junior/Parent run or Elite heat.

23-24

Tough Mudder - Philly

Coatesville, Pennsylvania

5 km 15 km

Tough Mudder Philly throws you into mud, hills and tough obstacles at Plantation Field for a weekend of team friendly mayhem and festival fun. Choose 5K, 15K or Infinity laps and celebrate with live music, a finisher medal and post race drinks.

Frontline OCR

Byron, Illinois

5 km 10 km

Frontline OCR at Byron Motorsports Park on May 23, 2026 invites teams and individuals to tackle purpose built obstacles that honor military, veterans and first responders. Race options include a kids course, 5K, 10K plus ruck and competitive division..

Sunday

Tough as Nails Urban Challenge

Wheeling, West Virginia

6 mi

Test your grit in the Tough as Nails Urban Challenge in downtown Wheeling on May 24, 2026. Tackle 5+ miles and 20+ urban obstacles from abandoned cars to steep inclines, then enjoy food, drinks and live music.

30-31