United States
- Alabama 4
- Alaska 2
- Arizona 2
- Arkansas 1
- California 18
- Colorado 3
- Connecticut
- Delaware
- District of Columbia
- Florida 16
- Georgia 6
- Hawaii 1
- Idaho 2
- Illinois 5
- Indiana 6
- Iowa 3
- Kansas 2
- Kentucky 3
- Louisiana
- Maine 3
- Maryland
- Massachusetts 3
- Michigan 5
- Minnesota 2
- Mississippi
- Missouri 3
- Montana 1
- Nebraska 1
- Nevada 1
- New Hampshire 1
- New Jersey 3
- New Mexico
- New York 5
- North Carolina 9
- North Dakota
- Ohio 3
- Oklahoma 4
- Oregon 5
- Pennsylvania 3
- Puerto Rico
- Rhode Island 1
- South Carolina 1
- South Dakota
- Tennessee 4
- Texas 11
- Utah 5
- 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 159 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
A non-competitive women only 5K obstacle mud run at Carter & Stevens Farm in Barre, MA on September 20, 2026, featuring 18 plus obstacles and a teamwork focus.
An on campus 5K in Oxford MI with a timed run, a 5K obstacle course, a virtual option, and a free kids glow run.
Two day Spartan event at Badlands Off Road in Attica IN with Sprint, Super, Beast and kids races across sand dunes, forests, rocks and creek crossings.
Obstacle course weekend at Lake Elsinore Raceway featuring Sprint 5K, Super 10K, kids races, and Hurricane Heat formats on September 26 to 27, 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.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
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 in Conroe with obstacles, mud pits, a pre party and packet pickup at Three Palms Action Sports Park on September 26, 2026.
Obstacle course event at Washington Grizzly Stadium with 3k, 5k, 10k, kids and All Abilities races plus team competition.
A 3.1 mile obstacle run with 22 symbolic obstacles raising funds and awareness for organizations that combat human trafficking and support survivors.
Trail 5K obstacle course at Wasserman Park with 12+ beginner to intermediate obstacles, limited to 200 entrants, including a race shirt, finisher medal, and a Spartan entry for early registrants.
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
Obstacle course weekend at Nevada State University in Henderson with Sprint 5 km, Super 10 km, kids races, workshops and Hurricane Heat endurance events.
Obstacle course weekend at Neal Farms near Nashville on Oct 03 to Oct 04 2026 featuring Sprint and Super races, kids events, workshops and Hurricane Heat formats.
A family-friendly mud run at Cycle Ranch Pro on Oct 3, 2026 featuring obstacles, waist-level mud pits, a pre-event party, tiered registration and community donation program.
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 1.8-mile military-style obstacle challenge at Queenslake Horse Farm on Oct 3, 2026 honoring the 19 fallen with memorial stations and a lakeside music festival.