United States
- Alabama 4
- Alaska 1
- Arizona 4
- Arkansas 1
- California 17
- Colorado 3
- Connecticut 1
- Delaware
- District of Columbia
- Florida 19
- Georgia 7
- Hawaii 1
- Idaho 1
- Illinois 8
- Indiana 7
- Iowa 1
- Kansas 1
- Kentucky 4
- Louisiana
- Maine 2
- Maryland 1
- Massachusetts 2
- Michigan 6
- Minnesota 2
- Mississippi
- Missouri 3
- Montana 1
- Nebraska 1
- Nevada
- New Hampshire
- New Jersey 3
- New Mexico
- New York 7
- North Carolina 8
- North Dakota
- Ohio 4
- Oklahoma 3
- Oregon 4
- Pennsylvania 4
- Puerto Rico
- Rhode Island 1
- South Carolina 2
- South Dakota
- Tennessee 4
- Texas 12
- Utah 5
- Vermont 4
- Virginia 3
- Washington 5
- West Virginia 2
- Wisconsin 1
- 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 168 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
August 2027
Tough Mudder Indiana at CERAland Park offers 15K and 5K mud runs with multiple named obstacles, finisher items, group packages, and a Mudder Village festival with food and entertainment.
A one-day Hurricane Heat 4 event at CERAland Park in Columbus IN featuring a four hour format with 12 challenges, age 18 and up, and entry from $75.
Two-day Spartan Trifecta at Tom Pence Ranch in Payette, ID featuring Sprint 5 km, Super 10 km, Beast 21 km and kids races on high desert terrain.
Obstacle and trail races including 5K and 10K options plus kids races at Diamond Lake Resort on August 7, 2027, with proceeds supporting MentorKids Kentucky.
A four hour Hurricane Heat at CERAland Park on Aug 7 2027 with 12 challenges for participants aged 18 and over and entry from USD 75.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
Obstacle race day in Pingree Grove IL featuring 5k, 15k and 50k heats, a family 3k, a torch lit night run, and a haunted 5k.
A family friendly mud run at Soldier Hollow Nordic Center on August 7, 2027 featuring obstacles, mud pits, a pre-party with music, and registration options including a VIP package.
A 5k mud run at Wooden Shoe Tulip Farm with 12 to 20 obstacles, a Garden Party, and proceeds supporting Woodburn Rotary.
Two day Spartan Trifecta event at Dillingham Ranch on Oahu featuring Sprint 5 km, Super 10 km, Beast 21 km, Ultra 50 km and kids races.
Family friendly mud run in Denver on Aug 14, 2027 featuring obstacles, mud pits, slides and a pre party at Colorado National Speedway.
A Trifecta Weekend at Snowbasin Ski Resort with Sprint, Super and Beast obstacle races on Mount Ogden, alpine terrain and a 3,000 foot vertical climb.
A family friendly 5K mud run with obstacles, mud pits, a pre party and registration options at Gloucester County 4 H Fairgrounds in Mullica Hill on August 21, 2027.
A weekend of Spartan obstacle races at Summit at Bechtel Reserve in Glen Jean WV, featuring Sprint, Super, Beast, kids races, a workshop, and spectator options.
An obstacle race weekend at Mahon Ranch near Elk Grove featuring a Sprint 5 km with 20 obstacles, a Super 10 km with 25 obstacles, kids races, workshops, and multihour heats.
Mud run at Richardson Adventure Farm on August 28 and 29, 2027, offering 15K and 5K courses, Infinity laps, spectator passes, and finisher medals and shirts.
A 5K mud run at Budds Creek Motocross Park on August 28, 2027, featuring obstacles, waist‑deep mud pits, pre and post race parties, family options, and packet pickup.
Trail 5K and a Beer Mile at Big Horse Vineyards in Lewistown on August 29, 2027 with timed and untimed heats plus on-site wine tasting.
September 2027
Farm-based endurance and obstacle event at Decker Farm near Cuba, IL offering 36 hour, 12 hour and 4 hour formats with heavy gear requirements and restricted pacer access.
Late summer Magnuson Series event at Magnuson Park with a USATF certified 5k loop plus 10k, 15k, kids dash and obstacle dash.
Muddy Dash Pittsburgh on September 4, 2027 is a family friendly 5K mud run at Switchback MX with obstacles, mud pits, a Pre-Party, and multiple registration packages.