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 challenging obstacle course races on 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. Additionally, the event includes a Hurricane Heat, a unique 4-hour challenge. The scenic venue offers a mix of mud, woods, and rolling hills, and post-race activities include visiting the farm store for local treats or enjoying a refreshing beer at the Stone Cow Brewery. 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 a thrilling 5K obstacle course race with 20 challenges designed to test participants' strength and endurance. This unique event allows racers to experience the iconic ballpark in a new way, navigating obstacles throughout the venue, including the famous Green Monster and home plate. Additionally, there is a Kids Race offering a shorter distance with obstacles for younger participants. The event is part of the Honor Series, celebrating military heroes, making it a memorable experience for all involved. Visit the organization's website for the most recent information.