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 5 exciting races across the region. Find your next race in Massachusetts below and join the running community at these great events!
May 2026
Operation Mohawk Tactical 2 in Foxboro, MA offers 4, 5, and 9 mile running and rucking options. The event honors fallen service members and supports veteran and first responder suicide prevention under the mission of 22Mohawks.
June 2026
Muddy Princess Boston is a women only 5K obstacle mud run at Kimball Farm in Haverhill on June 21, 2026. The course has 18 plus obstacles and is open to women aged 7 and up who may run, jog or walk.
A Spartan obstacle weekend at Carter and Stevens Farm in Barre, MA on June 27 and 28, 2026 with Sprint, Super, and kids races, plus an obstacle workshop and spectator access.
August 2026
A 5K mud run on August 1, 2026 at 508 INTL- Adventure Sports Center in Boston, featuring obstacles, mud pits and slides, plus Pre-Party and After-Party with music, food and beer. Kids are welcome and light quick-dry gear is recommended.
November 2026
A two day obstacle event at Fenway Park in Boston featuring a Stadion 5K with 20 obstacles, a kids race, and spectator access. The course uses stadium features including the Green Monster, clubhouse, and home plate.