Obstacle Race Calendar United States 2026-2027

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Explore the best obstacle runs in the United States for 2026-2027! Our updated list features 217 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

A Trifecta weekend of Spartan obstacle races at Dillingham Ranch on Oahu’s North Shore, with Sprint, Super, Beast, Ultra and Kids races across beach, ridge and jungle terrain. An obstacle workshop and spectator options are included.
A Scottish Highlander themed obstacle race in Pingree Grove Illinois offering open and competitive 5k and 15k heats plus a family 3k. Night and haunted 5k variants are offered and finishers receive a medal and t shirt.
An obstacle and mud focused 5K at Village Creek Motocross Park on August 15, 2026, featuring mud pits, walls, ropes and 11+ obstacles, plus pre race and post race festival areas, packet pickup, vendors and on site parking.
Muddy Dash in Philadelphia on August 15, 2026 is a family friendly mud run at DREAM Park with a 5K course featuring obstacles, mud pits and slides. The event includes a pre party and an after party with music, food and drinks.
Hill of a Race 2026 in Bloomington, IL combines a lap based Endurance Challenge with multiple 3 mile obstacle course waves, including competitive men, women, masters and several recreational waves.
A 3.1-mile obstacle course through Thomas Jefferson’s Poplar Forest with elite, team, corporate and non-competitive waves. Entry fees support Poplar Forest educational programming and packet pickup is available the day before at the service entrance.
Summit Grays and Torreys Peaks in this 8.8 mile Colorado endurance event. Participants must carry a 20lb dry load while tackling 4,101 feet of elevation gain.
Two day 5K mud run in Moorpark, CA on August 15 and 16, 2026. The course includes 15 major obstacles, deep mud pits and rolling hills, with rinse stations and a Basecamp area featuring food trucks and music.
A women only 5K obstacle mud run at Pop's Landing, Haddix Farms on August 16, 2026, featuring 18+ obstacles. Open to women aged 7 and older, the event emphasizes teamwork and a non-competitive atmosphere.
A 5k (3.1 miles) mud run in Oak Harbor with 20+ obstacles offering "challenge" and "Xtreme" lines, participant medals and T-shirts, and a 10% proceeds donation to Ronald McDonald House Charities.
A 5k in Owosso that mixes running with timed fitness stations. Two divisions offer set standards or self selected scaling, heats of a few athletes, event tanks and awards across competitive, masters and youth categories.
A women-only 5K obstacle mud run in Raleigh on August 23, 2026, held at North Carolina Motorsports Park with 18+ obstacles; open to women aged 7 and up who can run, jog, or walk the course.
A community tribute on August 23 featuring a 5K with digital timing, a 1 mile fun walk, a family mud run with obstacles, and a virtual 5K; proceeds support the P.H.I.L. Foundation.
NorCal Spartan Event Weekend at Mahon Ranch in Elk Grove, CA on Aug 29 to 30 2026 offers Sprint, Super and kids obstacle races across rolling trails and river crossings. Team entries and service member discounts are available.
Tough Mudder Chicago on August 29, 2026 at Richardson Adventure Farm offers 5K and 15K obstacle courses, an 8 hour Infinity option, and Mudder Village with food, music and finisher items.
A weekend of Spartan obstacle races at Summit Bechtel Reserve in Glen Jean, WV, featuring Sprint, Super, Beast and kids races on steep, water‑affected terrain with a large suspension bridge and additional trail races.
Mud Happens, One Bad Mud Run is a three mile obstacle event at Phil Moore Park on August 29, 2026 that supports child abuse prevention. It offers competitive and non competitive heats, team entries, and a free kids mud area.
A family friendly 5K mud run at Budds Creek Motocross Park on August 29, 2026, featuring obstacles, mud pits, slides, a Pre Party and an After Party with music and food. Standard and VIP registration options are available.
A community mud run at Lewiston Community Park each August featuring climbing, crawling, muddy obstacles and a Mini-Mudder for kids. The event reports thousands of participants, local charity donations, and many volunteer roles.
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