Massachusetts
Massachusetts Obstacle Race Calendar 2026-2027
Monthly updates for Massachusetts
Get new running races (and updates) in your inbox every month.
Explore the best obstacle runs in Massachusetts for 2026-2027! Our updated list features 4 exciting races across the region. Find your next race in Massachusetts below and join the running community at these great events!
June 2026
Muddy Princess Boston is a women-focused 5K obstacle mud run at Kimball Farm in Haverhill, MA on June 21, 2026. The event features muddy obstacles, hydration and rinse stations, participant items and a partnership with the National Breast Cancer Foun..
A Spartan obstacle weekend at Carter and Stevens Farm in Barre Massachusetts featuring a 5 km Sprint, a 10 km Super, kids races, and an obstacle workshop across mud, woods, and rolling hills.
August 2026
A family-friendly mud run in Boston on August 1, 2026 featuring a **5K** course with obstacles, waist-deep mud pits, a pre-party and an after-party with music and food, plus value and VIP registration options.
November 2026
A Stadion 5K obstacle race at Fenway Park on November 7-8, 2026, featuring 20 obstacles and a finish across home plate. The weekend also includes a 1 to 1.5 km kids race, spectator tickets, team options, and a service member discount.