United States
- Alabama 2
- Alaska 1
- Arizona 2
- Arkansas 1
- California 20
- Colorado 8
- Connecticut 2
- Delaware
- District of Columbia
- Florida 17
- Georgia 7
- Hawaii 3
- Idaho 3
- Illinois 12
- Indiana 9
- Iowa 3
- Kansas 1
- Kentucky 5
- Louisiana 1
- Maine 5
- Maryland 2
- Massachusetts 5
- Michigan 6
- Minnesota 2
- Mississippi 1
- Missouri 5
- Montana 2
- Nebraska 1
- Nevada 1
- New Hampshire 2
- New Jersey 7
- New Mexico
- New York 16
- North Carolina 17
- North Dakota 1
- Ohio 14
- Oklahoma 5
- Oregon 7
- Pennsylvania 7
- Puerto Rico
- Rhode Island 1
- South Carolina 4
- South Dakota
- Tennessee 7
- Texas 21
- Utah 6
- Vermont 5
- Virginia 11
- Washington 8
- West Virginia 2
- Wisconsin 3
- 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 275 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
August 2026
Experience a mud filled obstacle challenge at Village Creek Motocross Park featuring a 5k course and a dedicated kids run for a day of outdoor adventure and family friendly racing.
Experience a mud filled obstacle course at DREAM Park near Philadelphia. Enjoy mud pits, a post race party, and a finisher medal while supporting local community charities through the event's give back program.
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 miles obstacle course through Thomas Jefferson’s Poplar Forest with elite, team, corporate and non-competitive waves. Entry fees support Poplar Forest education and elite competitors must complete all obstacles to qualify for prizes.
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.
Experience a women only 5K obstacle mud run at Pop's Landing at Haddix Farms. Join a community focused on unity and empowerment while tackling a fun mud course to support breast cancer awareness.
A 5k mud run in Oak Harbor with more than 20 obstacles and two difficulty options per obstacle. Medals are awarded to all participants and 10% of proceeds go to Ronald McDonald House Charities.
A women-only 5K obstacle mud run at North Carolina Motorsports Park on August 23, 2026, featuring 18+ obstacles and open to participants aged 7 and up. The event emphasizes fun and teamwork rather than competition.
Obstacle race weekend at Mahon Ranch near Elk Grove on Aug 29-30, 2026 with Sprint, Super and Kids races, team entry options, and service member discounts.
Tough Mudder Chicago on August 29, 2026 at Rockford International Airport offers 5K, 15K and an eight hour Infinity format across fields, trails and creek crossings, with Mudder Village, finisher items, and group and volunteer options.
A weekend of Sprint, Super and Beast Spartan obstacle races at Summit Bechtel Reserve on Aug 29-30 2026, featuring steep hills, water features, a suspension bridge, and trail race additions.
Get ready to get dirty at Phil Moore Park. This 3-mile obstacle run features over 20 natural and man-made challenges through the park. A free kids' play area and group discounts make it a muddy adventure for the whole crew.
Experience a mud filled adventure at Budds Creek Motocross Park featuring obstacles and foam pits. Enjoy a community focused event with finisher medals and a post race festival for participants and spectators alike.
A muddy mix of cross country running and obstacles in Lewiston on August 29, 2026. The event can be run competitively or enjoyed as a casual mud run and includes a Mini-Mudder for children 10 and under.
Spartan Stadion in Philadelphia on August 29, 2026 features a stadium obstacle course with a 5 km race and 20 obstacles plus a kids race. The course runs through steep stairs and narrow concourses inside a South Philly sports arena.
Experience the largest climb in GBF history at Mount Washington in New Hampshire. Choose between ten and twenty mile routes while carrying a twenty pound load through significant elevation gains.
Experience a women only 5K mud run featuring over 18 obstacles at Porter Farms in Charlotte. Focus on teamwork and empowerment in a non competitive environment open to all women and girls from age 7.
September 2026
Test your limits at Decker Farm with a grueling combination of military boot camp and farm chores. Choose between 4, 12, or 36 hour endurance challenges featuring heavy carries and undisclosed physical tasks.
A family friendly 5k obstacle race at Stratford Short Beach on September 5, 2026, featuring more than 18 obstacles with sand and water elements. The event raises funds for Sterling Community Center programs and supports team and individual fundraisin..
Experience a day of mud and fun at the Muddy Dash in Pittsburgh. Navigate mud pits and obstacles at the Switchback MX venue then celebrate with music and prizes at the festival area with free entry for spectators.