Massachusetts Ultramarathons
14 upcoming ultras across Massachusetts, updated nightly. Want radius search and maps? Open these in the Race Finder.
When to race: ultras in Massachusetts
Massachusetts has 14 upcoming ultras over the next 12 months. Among complete calendar months, April 2027 has the most listed races, with 2. Most are around Hingham, Windsor, Sutton. The next one is Dead Last Ultra on October 24 in Sutton.
- Oct 20263 races
- Nov 20261 race
- Dec 20261 race
- Apr 20272 races
- May 20272 races
- Jun 20271 race
- Jul 20271 race
- Aug 20272 races
- Oct 20271 race
October 2026
- Sat 10/24Dead Last UltraSutton, MA · Timed · register ↗
- Sat 10/24Womp RompNorwell, MA · 10 Mile · 50K · registration closed · register ↗
- Sat 10/31The Next Loop Endurance Series | New EnglandWrentham, MA · 50 Mile · 40 Miles · 12 Hour · register ↗
November 2026
- Sat 11/7Fall Frolic 4 Miler | 8HRHingham, MA · 8 Hour · 4 Miles · register ↗
December 2026
- Sat 12/12Seth's Fat Ass 50KSpringfield, MA · 50K · register ↗
April 2027
- Sat 4/17Spring Fever 5K | 5 Mile | 8HRHingham, MA · 8 Hour · Timed · 4 Miles · register ↗
- Fri 4/23RUCK4HIT 2027Falmouth, MA · 200 Miles · 100 Mile · from $150 · register ↗
May 2027
- Sat 5/1Jug End Loop UltraEgremont, MA · 5K · 6 Hour · register ↗
- Sun 5/30Vest Up 4 the FallenBoston, MA · 65 Miles · from $65 · register ↗
June 2027
- Fri 6/4Connecticut Ultra Traverse #CUT112Southwick, MA · Ultra · register ↗
July 2027
- Fri 7/9Notchview UltraWindsor, MA · 100 Mile · 72 Hour · register ↗
August 2027
- Sat 8/14Sweltering Summer UltraPittsfield, MA · 8 Hour · register ↗
- Sat 8/28UltraTrax WachusettWestminster, MA · 7 Miles · 14 Miles · 21 Miles · 28 Miles · from $58 · register ↗
October 2027
- Sat 10/9NotchtoberfestWindsor, MA · 24 Hour · register ↗
Planning a race
- The adventure listrim to rim, the big rounds, and routes worth planning a year around
- Getting inhow entry works for the races that sell out or ballot
More Massachusetts: Marathons · Half Marathons · 5K Races · 10K Races · All Massachusetts races · Browse by state