United States
- Alabama 1
- Alaska 1
- Arizona 2
- Arkansas 1
- California 20
- Colorado 4
- Connecticut 1
- Delaware
- District of Columbia
- Florida 13
- Georgia 6
- Hawaii 3
- Idaho 4
- Illinois 10
- Indiana 7
- Iowa 3
- Kansas 1
- Kentucky 5
- Louisiana
- Maine 4
- Maryland 1
- Massachusetts 3
- Michigan 10
- Minnesota 2
- Mississippi 1
- Missouri 1
- Montana 1
- Nebraska
- Nevada 1
- New Hampshire 2
- New Jersey 6
- New Mexico
- New York 7
- North Carolina 15
- North Dakota
- Ohio 11
- Oklahoma 3
- Oregon 5
- Pennsylvania 9
- Puerto Rico
- Rhode Island 2
- South Carolina 3
- South Dakota
- Tennessee 4
- Texas 14
- Utah 5
- Vermont 1
- Virginia 7
- Washington 5
- 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 208 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
Experience an obstacle course run featuring a 5k course through woodlands and shallow water at Camp Albemarle. Choose between a timed competitive heat or a flexible untimed race with over 20 strength and agility stations.
A 5K mud and obstacle run at Honda Hills in Thornville, Ohio on September 19, 2026, open to all ages. Participants must bring a signed waiver and adults must show photo ID; spectators are admitted to the festival area for a cash fee.
Operation Obstacle is a timed 2 mile obstacle course on September 19, 2026 at Richland Community College that raises awareness and funds to address veteran suicide.
A Hawaiian themed 5K obstacle race at Allegheny RiverTrail Park in Aspinwall that raises funds for The Stanley M. Marks Blood Cancer Research Fund and Lending Hearts. Teams carry a pineapple through the course and a luau follows with live music, food..
A one mile obstacle course in Warren, RI with two giant mud pits, kids play area, food and giveaways. Proceeds support Thrive Outside and its programs to expand youth access to nature.
A women only 5K obstacle mud run at Carter & Stevens Farm in Barre, MA on September 20, 2026. The course has 18+ obstacles, welcomes participants ages seven and up, and emphasizes teamwork over competition.
A two-day Spartan Trifecta at Badlands Off Road in Attica, IN on Sep 26-27, 2026 featuring Sprint, Super, Beast and kids races across dunes, rocky trails, forests and creek beds with multiple obstacles.
A Spartan obstacle weekend at Lake Elsinore Raceway featuring Sprint 5K, Super 10K, kids races and Hurricane Heat formats. Expect rugged trails, mud, varied terrain and onsite spectator options.
Tough Mudder Colorado on September 26, 2026 at Fort Carson offers 15K and 5K obstacle courses with named obstacles and finisher items, plus spectator passes and group or volunteer options.
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.
Muddy Dash Houston stages a 5K obstacle course with mud pits, slides, a pre party and an after party at 3 Palms Action Sports Park on September 26, 2026. The family friendly event offers value and VIP registration options plus a Buy One Give One prog..
An obstacle course event at Washington Grizzly Stadium in Missoula on September 26, 2026 offering categories from a double 10K to kids and All Abilities races. Teams combine four racers' times and net proceeds support Opportunity Resources Inc.
A 3.1 mile obstacle course featuring 22 symbolic stations that represent the journey from captivity to liberation. Proceeds support the Path to Freedom Project and organizations that assist survivors of human trafficking.
A trail-based 5K obstacle course at Wasserman Park on September 26, 2026, featuring 12+ beginner to intermediate obstacles. Entry is limited to 200 participants, costs $40, and early registrants receive a race shirt and finisher medal.
A family-oriented mud run at Camp Sacajawea on September 26, 2026, with a 1-mile youth course and a 3-mile mud-obstacle course; proceeds benefit Girl Scouts of Greater Iowa and all participants receive a race shirt.
October 2026
Obstacle course races at Nevada State University in Henderson on Oct 03 - 04, 2026 featuring Sprint and Super courses, kids races, obstacle workshops and Hurricane Heat endurance options.
Nashville Spartan Event Weekend at Neal Farms features Sprint 5 km with 20 obstacles, Super 10 km with 25 obstacles, kids races, workshops and Hurricane Heat endurance formats. The course crosses rolling fields, dense woods and a 12 foot wide creek n..
Muddy Dash in San Antonio on October 3, 2026 is a 5K mud run at Cycle Ranch Pro with obstacles, mud pits and slides. The event includes a pre party, a post race festival with music and food, packet pickup the day before, and family friendly options.