Ultramarathons in Rhode Island

3 upcoming Ultramarathon races in Rhode Island for 2026 and beyond — with dates, locations, and registration links.

All Rhode Island races 5K Races (36)10K Races (5)Half Marathons (6)Marathons (2)

Ocean State Ultra
Sat, Aug 29, 2026 · West Greenwich, RI
100 Miles
F.I.T. 'Rock Trail Race
Sun, Mar 14, 2027 · Cumberland, RI
5K8K12.9K100K1 Mile
F.I.T. 50k
Sat, Jun 5, 2027 · Cumberland, RI
50K