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!
August 2026
Terrain Race in Oklahoma City is an obstacle and mud focused 5K at Lost Lake Entertainment Complex on August 8, 2026. The course features mud pits, walls, ropes and monkey bars and includes pre race and post race festival areas.
Experience a 5k mud run and garden party at the Wooden Shoe Tulip Farm. This annual event combines an adventurous obstacle course with a vibrant flower festival to support local charitable community projects.
Operation YOSEMITE 2026 is an in-person trail event in Mono County, California on August 8, 2026, offering four distances from 6 to 22 miles with a 20 lb dry load and specified elevation gains.
A multi-event day in Coal Valley with a 5K Mud Adventure Run, a Ninja Kids Run, and a Cross Country Trail Run. Main obstacles include a Tire Wall, Ninja Scaling Wall and Weight Lift; spectator entry is $7.
Boise Spartan Trifecta Weekend at Tom Pence Ranch on Aug 8 and 9 2026 features Sprint, Super and Beast obstacle races plus a kids race, an obstacle workshop, a Hurricane Heat 4HR event and spectator options.
The 13th annual JailBreak Escape Urban Challenge Run is a 3.1 miles obstacle and CrossFit style course in Lexington, SC on August 8, 2026 that raises funds for Lexington County law enforcement. Teams can compete for awards or enter to complete the co..
Test your endurance at the Wildwood Navy Seal Challenge with ocean swimming and beach running. Navigate sand and water obstacles in individual or team categories on the New Jersey shore.
A women only 5K obstacle mud run at Wildcat Creek MX in Rossville, Indiana on August 9, 2026, featuring 18+ obstacles and open to participants aged 7 and up. Participants can run, jog or walk the muddy course.
A youth and family 2K obstacle course at Maxwell Park with about 15 obstacles. Waves serve ages 5 and up; participants get a shirt, medal and a timed result, with trophies for top three in each competitive age group.
A Trifecta obstacle race weekend at Dillingham Ranch on Oʻahu’s North Shore featuring Sprint, Super, Beast, Ultra, and Kids Race across coastal trails and ridgelines. An obstacle workshop and spectator access are included.
A Scottish Highlander themed obstacle race in Pingree Grove Illinois offering open and competitive 5k and 15k heats plus a family 3k. Night and haunted 5k variants are offered and finishers receive a medal and t shirt.
An obstacle and mud focused 5K at Village Creek Motocross Park on August 15, 2026, featuring mud pits, walls, ropes and 11+ obstacles, plus pre race and post race festival areas, packet pickup, vendors and on site parking.
Muddy Dash in Philadelphia on August 15, 2026 is a family friendly mud run at DREAM Park with a 5K course featuring obstacles, mud pits and slides. The event includes a pre party and an after party with music, food and drinks.
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.
Two day 5K mud run in Moorpark, CA on August 15 and 16, 2026. The course includes 15 major obstacles, deep mud pits and rolling hills, with rinse stations and a Basecamp area featuring food trucks and music.
A women only 5K obstacle mud run at Pop's Landing, Haddix Farms on August 16, 2026, featuring 18+ obstacles. Open to women aged 7 and older, the event emphasizes teamwork and a non-competitive atmosphere.
A 5k (3.1 miles) mud run in Oak Harbor with 20+ obstacles offering "challenge" and "Xtreme" lines, participant medals and T-shirts, and a 10% proceeds donation to Ronald McDonald House Charities.
A 5k that alternates running segments with functional fitness stations in Owosso, Michigan. Two divisions offer either set competitive standards or adjustable weights and modifications, and the 2026 format lists a specific sequence of runs and fitnes..