11 aidUltramarathons Near Boston, MA
As of October 6, 2026, Crewable lists 13 upcoming ultramarathons near Boston, MA from October 2026 to June 2027. The next is Midstate Massive Ultra Trail on October 10 in New Ipswitch, NH. Registration is open for 1.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
With aid station data
11 aid
1 aid7 aid
3 aid
3 aidRace calendar
October 2026
7 racesNovember 2026
2 racesDecember 2026
1 raceApril 2027
1 raceMay 2027
1 raceJune 2027
1 raceLast Human Standing - RI
West Greenwich, RI
Quick answers
What is the next ultramarathon near Boston, MA?
Midstate Massive Ultra Trail, on Saturday, October 10, 2026, in New Ipswitch, NH. Distances: 100 mi, 50 mi.
What is the closest ultramarathon to Boston?
Fall Frolic 4 Miler | 8HR in Hingham, MA, about 15 miles from Boston, on November 7, 2026.
How many ultramarathons near Boston, MA have open registration?
1 of the 13 list registration as open as of October 6, 2026, including Race for the Refuge.
What is the busiest month for ultramarathons near Boston, MA?
October 2026, with 7 of the 13. November 2026 follows with 2.
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