United States
- Alabama 2
- Alaska 1
- Arizona 2
- Arkansas 2
- California 18
- Colorado 7
- Connecticut 2
- Delaware
- District of Columbia
- Florida 9
- Georgia 7
- Hawaii 3
- Idaho 3
- Illinois 10
- Indiana 9
- Iowa 2
- Kansas 2
- Kentucky 4
- Louisiana 1
- Maine 4
- Maryland 2
- Massachusetts 5
- Michigan 5
- Minnesota 2
- Mississippi 1
- Missouri 4
- Montana 1
- Nebraska 1
- Nevada 1
- New Hampshire 2
- New Jersey 7
- New Mexico
- New York 12
- North Carolina 13
- North Dakota
- Ohio 13
- Oklahoma 5
- Oregon 5
- Pennsylvania 10
- Puerto Rico
- Rhode Island 1
- South Carolina 5
- South Dakota
- Tennessee 4
- Texas 16
- Utah 5
- Vermont 4
- Virginia 8
- Washington 8
- West Virginia 2
- Wisconsin 4
- Wyoming
Obstacle Race Calendar United States 2026-2027
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 2026-2027! Our updated list features 233 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
Tough Tiger is an obstacle course event at Hampden Meadows School in Barrington, RI offering a 1.5 mile loop and a shorter adaptive course, with T shirts for early registrants, a raffle, and electronic timing.
Mud Factor Sacramento is a 5K mud and obstacle run on May 17, 2026 at the 300-acre Mahon Ranch, marking the event's 15th anniversary; it features adult and KIDZ family waves and a $10 spectator festival pass.
Tough Mudder Philly on May 23, 2026 at Plantation Field offers 5K, 15K and Infinity obstacle runs with named obstacles, finisher items, spectator festival access, and group and volunteer options.
A multiwave obstacle course at Byron Motosports Park offering 10K, 5K, ruck, and kids divisions, with Special Forces and Endurance competitive formats and team entry packs available.
Muddy Dash in Dallas Fort Worth is a family-friendly 5K mud run at Village Creek Motocross Park on May 23, 2026, featuring obstacles, waist-deep mud pits, a pre-party and a post race festival with music, food trucks and drinks.
An annual obstacle course at Liberty Park in Belton, TX, the Spartacus Dash follows Nolan Creek for about 3 miles with 20 plus obstacles and activities for ages 5 to 105. The event supports the Gary Sinise Foundation and is organized by ASCO Equipmen..
A community obstacle course in Junction City offering 2K and 4K routes with multiple obstacles, age divisions for kids and adults, participant T-shirts, awards by gender, and on-site food, water, a foam pit, and live DJ.
A 5-mile urban obstacle race in downtown Wheeling with 20+ obstacles, heats of up to 175 people, and a post-race party. Open to participants aged 16 and older on May 24, 2026.
An obstacle race weekend at Toro Park near Salinas on May 30-31, 2026, featuring a 5 km Sprint with 20 obstacles, a 10 km Super with 25 obstacles, kids races and trail events across wooded, hilly coastal terrain.
Muddy Dash in Oklahoma City is a 5K mud run with obstacles and waist-deep mud pits, plus a pre-party and an after-party with music, food, and beer at Lost Lake Entertainment Complex on May 30, 2026. Kids are welcome under event rules.
Approximate 5K adventure race at East Fork State Park near Cincinnati with 15+ natural and man-made obstacles, from mud crawls and wall climbs to cargo nets and a sandy beach finish.
A farmer inspired obstacle course of about 2 miles at Alsteen Farms in Lena, WI on May 30, 2026. The course includes farm chores like feeding calves and climbing through a tractor, with a yogurt bar and optional farm tour. $25 entry.
Operation Mohawk Tactical 2 in Foxboro, MA offers 4, 5, and 9 mile running and rucking options. The event honors fallen service members and supports veteran and first responder suicide prevention under the mission of 22Mohawks.
A trail obstacle event at EightFold Farms in Benton, LA, combining trail miles with functional fitness. Three race divisions and a kids FIT Challenge feature varied obstacles, finishing medals, and event swag.
A 100-mile, 10-loop event on Rock Creek Trail near Washington D.C., with about 8,200 ft total elevation and a 36-hour cutoff. Two ticket types are listed at the same price including tax.
A two-day outdoor obstacle event in Wallkill, NY offering adult sprints and multi-lap endurance races plus kids’ sprint and 1 km courses, finisher medals, age-group awards, a nonprofit Teddy Bear Crawl presence, and on-site youth fundraising.
A 3-mile obstacle race in Downtown El Paso on May 31, 2026 featuring 15+ obstacles, on-course safety measures, hydration and recovery zones, and entertainment along the route.
A women's 5K obstacle mud run in Nashville on May 31, 2026 at Music City Raceway. The course features more than 18 obstacles and is open to participants aged 7 and up who may run, jog, or walk.
June 2026
A multi-distance Spartan weekend at Perfect North Slopes near Cincinnati with muddy, hilly terrain and multiple obstacle races including Sprint, Super, Beast and Ultra. The festival area and onsite parking are located at the ski resort.