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 takes place at Carter & Stevens Farm in Barre, Massachusetts, featuring a rugged course with mud, woods, and rolling hills. The event offers multiple race distances including a 5K Sprint with 20 obstacles, a 10K Super with 25 obstacles, and a Kids Race ranging from 1-3 km with obstacles. Participants can also opt for a Trifecta Pass to complete all three distances. The farm setting provides a scenic and challenging atmosphere, complemented by local amenities like homemade ice cream and a nearby brewery. The event encourages team participation and offers discounts for service members, creating a spirited and inclusive experience. 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 takes place at the historic Fenway Park in Boston, Massachusetts, offering a unique obstacle course race experience. The main event is the Stadion 5K, featuring 20 challenging obstacles over a 5-kilometer course that includes iconic stadium landmarks like the Green Monster and the home plate finish line. The event also includes a kids' race with obstacles, making it family-friendly.

Participants race through the heart of Boston, enjoying the city's historic charm and vibrant atmosphere. This race is part of Spartan's Honor Series, celebrating military heroes. The course combines urban terrain with stadium stairs and obstacles, promising a thrilling and memorable challenge. Visit the organization's website for the most recent information.