Massachusetts Mud Run & Obstacle Race Calendar 2025-2026

If you're an adrenaline junkie, fitness enthusiast, or simply seeking a thrilling outdoor adventure, you've arrived at the perfect destination. Our meticulously curated calendar is your gateway to the most exhilarating and challenging mud runs and obstacle races taking place in 2025 and 2026.

Prepare to conquer mud-slicked trails, scale towering walls, navigate through grueling obstacles, and push your physical and mental boundaries. Our mission is to provide you with all the essential information you need to plan your race year, including dates, locations, race details, and registration information.

Savage Race - Boston

Barre • 19 Jul 2025

Saturday Only 15-20 Obstacles 3+ Miles Register For Savage Blitz Saturday Only 25+ Obstacles 5-7 Miles

The Savage Race - Boston will take place in Barre on Saturday 19 July 2025. You can run between 3 and 7 miles.

New England Spartan Event Weekend

Barre • 16-17 Aug 2025

Sprint 5k | 20 Obstacles Super 10k | 25 Obstacles Hurricane Heat 4hr

The New England Spartan Event Weekend, taking place at Carter & Stevens Farm in Barre, MA, features a variety of obstacle course races from August 16-17, 2025. Participants can choose from a 5K Sprint with 20 obstacles, a 10K Super race with 25 obstacles, and a Kids Race ranging from 1-3 km. The event promises a challenging experience amidst the farm's scenic mud, woods, and rolling hills. After racing, attendees can enjoy local treats at the farm store or relax with a drink at the Stone Cow Brewery. The weekend also offers a Trifecta Pass for those looking to tackle all three distances. Visit the organization's website for the most recent information.

Fenway Spartan Stadion Event Weekend

Fenway–Kenmore • 8-9 Nov 2025

Stadion 5k | 20 Obstacles

The Fenway Spartan Stadion Event Weekend, taking place at the historic Fenway Park in Boston, Massachusetts, features an exhilarating 5K obstacle course race with 20 challenging obstacles. Participants can experience the thrill of racing through iconic locations, including the clubhouse and home plate, while enjoying the vibrant atmosphere of the park. The event also includes a Kids Race, offering younger participants a chance to engage in a fun and active environment. This year, the event is part of the Honor Series, allowing racers to run alongside military heroes. Join the excitement and challenge yourself in this unique sporting event! Visit the organization's website for the most recent information.