United States
- Alabama 2
- Alaska 1
- Arizona 2
- Arkansas 2
- California 22
- Colorado 3
- Connecticut 1
- Delaware
- District of Columbia
- Florida 15
- Georgia 9
- Hawaii 3
- Idaho 2
- Illinois 7
- Indiana 6
- Iowa 3
- Kansas 2
- Kentucky 4
- Louisiana
- Maine 3
- Maryland
- Massachusetts 4
- Michigan 5
- Minnesota 2
- Mississippi 1
- Missouri 3
- Montana 1
- Nebraska 1
- Nevada 1
- New Hampshire 2
- New Jersey 3
- New Mexico
- New York 7
- North Carolina 11
- North Dakota
- Ohio 7
- Oklahoma 5
- Oregon 5
- Pennsylvania 6
- Puerto Rico
- Rhode Island 2
- South Carolina 3
- South Dakota
- Tennessee 4
- Texas 11
- Utah 4
- Vermont 4
- Virginia 3
- Washington 2
- West Virginia 2
- Wisconsin 2
- 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 187 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
September 2026
Tough Mudder Colorado at Fort Carson on September 26, 2026: 15K and 5K routes with 12 to 20+ obstacles, finisher medal, shirt, headband, and Mudder Village spectator pass.
An off road 5 Miles obstacle course in Saint Charles, Iowa on September 26, 2026, hosted by Contributors Breakfast Club; the local fundraiser keeps proceeds in Iowa and lets participants help design several obstacles.
A family friendly 5K mud run with obstacles, mud pits, and music at Three Palms Action Sports Park on September 26, 2026.
Obstacle course races at Washington-Grizzly Stadium in Missoula on September 26, 2026, with 3k, 5k, 10k double, kids, teams, and All Abilities categories.
A 3.1 mile obstacle run with 22 symbolic obstacles raising funds and awareness for organizations that combat human trafficking and support survivors.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
Trail-based 5K obstacle course at Wasserman Park with 12 or more beginner to intermediate obstacles, limited to 200 entries and a $40 fee.
An obstacle mud run at Camp Sacajawea on September 26 with one mile and three mile courses, waiver required, proceeds benefit Girl Scouts of Greater Iowa.
YMCA Camp Winona MudFest is a 3 mile obstacle course race on September 26, 2026 in De Leon Springs, FL with more than 17 obstacles.
Eighth Annual Tuff Tornado Run at Alameda Park is a two mile, 22 obstacle mud run with chip timing, food trucks, music, and fundraising for school programs.
A family friendly 1 mile run or walk at Montessori School of Lemont with colorful water based sprays, a white event tshirt, and an eco friendly confetti pop.
Team obstacle race in Binghamton across mud, ravines and 50+ acres of wilderness, with heavy-object challenges and a rotating Commando Cup trophy.
October 2026
Two-day Spartan obstacle race at Nevada State University near Henderson with Sprint and Super distances, kids races, Hurricane Heat formats and an obstacle workshop.
Weekend obstacle-race program at Neal Farms near Nashville featuring Sprint 5K, Super 10K, kids races, Hurricane Heat formats, and an obstacle workshop.
A messy 5K at Cycle Ranch Pro in San Antonio with obstacles, waist‑deep mud pits, a pre-party and an after-party with music, food, and drinks.
A farm based obstacle course at Heim's Hillcrest Dairy in Algoma covers about 1.5 miles with tasks such as feeding calves and climbing over hay bales. Registration opens July 1 with an early price of $20 until September 1.
A free annual military fitness tribute at Queenslake Horse Farm honoring the 19 soldiers lost in the 1993 Battle of Mogadishu, featuring a memorial course and a full day music festival.
A non-profit, ninja warrior style obstacle course in Mullica Hill, NJ with an approximately 4 mile course and 12 tiered obstacles. Individual and team scoring uses tiered points and age rules require adult accompaniment for 10 to 14 year olds.
SEB Mud Run in Castaic on October 3, 2026 features a chip timed 4 mile mud obstacle and a 1 mile kids fun run with showers and changing tents on site.
A community day at John Paul the Great Montessori Academy featuring a 2 mile obstacle trail run, a 2 mile no obstacles run, a 1 mile kids obstacle and family activities.
Test your strength and endurance at this 5K obstacle race in Norman featuring wall climbs, tire flips, and over 15 physical challenges at Jackson Freedom Farms.