Obstacle Race Calendar United States 2025-2026

Oct

4-5

Sa - Su

Mammoth Spartan Trifecta Weekend

Mammoth Lakes, California

5 km 10 km Half Marathon

Mammoth Spartan Trifecta Weekend in Mammoth Lakes, California, invites athletes to tackle high-altitude obstacle course racing in the Sierra Nevada. The event features three Spartan distances on cours..

Oct

4

Saturday

Seb Mud Run

Castaic, California

4 mi

SEB Mud Run is set for October 4, 2025, in Castaic, California. The event offers two course options: a 4 Mile Mud Obstacle Run and a 1 Mile Muddy Kids Run. The race location is 26893 Tapia Canyon Road..

Oct

4

Saturday

Mogadishu Mile - Georgetown, Kentucky

Georgetown, Kentucky

Georgetown, Kentucky hosts the Mogadishu Mile on the White Sulphur Baptist Church property at 5300 Ironworks Rd. This military-inspired team race features four-person teams carrying four ammo cans thr..

Oct

4

Saturday

Farm-Fit Challenge

Algoma, Wisconsin

2 mi

Farm-Fit Challenge is held at Heim's Hillcrest Dairy in Algoma, Wisconsin. The event features a 2-mile farm-inspired obstacle course through a working dairy farm. Participants tackle authentic farm-th..

Oct

5

Sunday

Mammoth Spartan Super World Championship Weekend

Mammoth Lakes, California

10 km

Get ready for the inaugural Spartan 10K Super World Championship Weekend at Mammoth Mountain Ski Area in Mammoth Lakes, California. This high-altitude challenge sits at 7,900 feet and features a 10K c..

Oct

5

Sunday

Muddy Princess - South Carolina

Gaston, South Carolina

5 km

South Carolina Muddy Princess is a 5k obstacle mud run for women only, held at The Master’s Motoplex in Gaston, SC. The course features 18+ obstacles designed for women of all sizes, ages and fitness..

Oct

11

Saturday

Savage Race - Dallas

Grandview, Texas

3 mi 7 mi

Oct

11

Saturday

North American Wife Carrying Championship

Newry, Maine

Oct

11

Saturday

Zombie Mania

Rexburg, Idaho

5 km

Zombie Mania is a unique 5K race held in Rexburg, Idaho, featuring a flat loop course through Nature and Eagle Parks. Participants wear flags representing their health while volunteers dressed as zomb..

Oct

11

Saturday

Ruck the Gauntlet

Creedmoor, North Carolina

3 hr

Ruck the Gauntlet is a 3-hour weighted trail event at the Gauntlet Fitness Trail in Creedmoor, NC (2228 Brassfield Rd, 27522). Runners wear a rucksack and decide how much weight to carry, with the opt..

Oct

11

Saturday

Zombie Run 5K

Morganton, North Carolina

5 km

5K Zombie Run & One Mile Family Fun Run takes place at Courthouse Square in Morganton, NC. Morganton Rotary Club, with UNC Health Blue Ridge, hosts a 5K Zombie Run and a one-mile Family Fun Run. P..

Oct

12

Sunday

Obstacle Wonderland Hallo-Weird Adult 5k Obstacle Course Race

Wallkill, New York

5 km

Obstacle Wonderland Hallo-Weird 3 is a Halloween-themed obstacle course in Wallkill, New York (314 New Unionville Road, Wallkill 12589). The event features a Hallo-Weird 5k Adult Obstacle Course Race..

Oct

18

Saturday

Tough Mudder - Nashville

Lebanon, Tennessee

5 km 15 km

Tough Mudder Nashville takes place on October 18, 2025 at Neal Farms, 5275 Trousdale Ferry Pike, Lebanon, TN 37087. The event offers multiple race formats and participation options on a weekend sched..

Oct

18-19

Sa - Su

Dallas Spartan Trifecta Weekend

Granbury, Texas

5 km 10 km Half Marathon 50 km

Dallas Spartan Trifecta Weekend is held at Twin Canyons Ranch in Granbury, Texas, about an hour from the Dallas–Fort Worth area and roughly 30 minutes from Granbury’s historic center. The rugged Texas..

Oct

18

Saturday

Knoxville DEKA FIT

Knoxville, Tennessee

5 km

Knoxville DEKA FIT is staged at the World’s Fair Exhibition Hall in Knoxville, Tennessee, near downtown and the University of Tennessee. The event combines a 5K course with ten functional training zon..

Oct

18

Saturday

Ruff Run California

Phelan, California

4 km

Ruff Run California is an annual obstacle run held in Phelan, CA, set in the scenic high desert at 4,200 feet elevation. The event features a 4ishK course with over 20 obstacles that challenge partici..

Oct

18

Saturday

Georgia Southern True Blue 5k & Abbie's Adventure Race

Statesboro, Georgia

Road Race 5 km

The True Blue 5K & the adventure race take place at the Recreation Activity Center on Georgia Southern University in Statesboro, GA, as part of Homecoming weekend. The True Blue 5K is a campus-cen..

Oct

18

Saturday

Boot Camp Challenge 3-Mile Obstacle Run

Midway District, California

3 mi

The MCRD San Diego Boot Camp Challenge is a festival and a 3-mile race held at Marine Corps Recruit Depot San Diego, 3800 Chosin Ave, San Diego, CA. The course uses the Marine Corps recruit training..

Oct

18-19

Sa - Su

Tri-State New York Spartan Event Weekend

New Hampton, New York

5 km 10 km

Tri-State New York Spartan Event Weekend takes place Oct 18–19, 2025 at Sunflower Valley Farm in New Hampton, NY. The weekend features three races: Sprint (5K with 20 obstacles), Super (10K with 25 ob..

Oct

18

Saturday

Tribe Fitness Challenge - Trail

Trenton, New Jersey

Tribe Fitness Challenge - Field takes place in Hamilton, New Jersey (185 Sawmill Rd). The event offers Elite and Open Singles and Doubles, plus Relays and a Gym Champions Relay. The course features ei..