Ocean State Ultra

West Greenwich, United States • 29 Aug 2026

Ocean State Ultra

Ocean State Ultra is an ultrarunning event in West Greenwich, Rhode Island, held August 29 to August 30, 2026. The event list includes three ultrarunning formats at the address 145-151 Division Rd, West Greenwich, RI 02817, United States.

  • 100 Mile: complete 100 miles within 34 hours.
  • 12 Hour: run as many 10-mile loops as possible in 12 hours.
  • 6 Hour: run as many 10-mile loops as possible in 6 hours.

The 100 mile entry requires completion of 100 miles within a 34 hour window. Participants who do not reach 100 miles are recorded under the 34 hour event with their miles completed and finish time rather than listed as DNF. The 12 hour and 6 hour events are based on accumulating distance by repeating 10-mile loops within the allotted time.

Registration opens March 30, 2026 and closes August 17, 2026. Published registration fees are $152.00 for the 100 mile event, $106.00 for the 12 hour event, and $76.00 for the 6 hour event. All events are classified as ultra distance. Visit the organization's website for the most recent information.

Race information

100 mi
100 Mile
12 Hours
6 Hours
Visit the organization's website for the most recent information.
Trail runs nearby

A timed 5K trail race at Coogan Farm in Mystic, running through meadows, woods, and fields, with limited entry, tiered fees, an awards ceremony, and opportunities to meet Nature Center animal ambassadors.

A trail run at Westport Rivers Vineyard & Winery on June 7, 2026, covering about 3 miles of mixed trails and finishing among the vines. The event includes dinner, wine, music and a souvenir wine glass, with BBQ only options available.

A Last Human Standing trail race near Big River Management Area in West Greenwich, RI. Runners repeat the same loop each hour and must complete each lap within 60 minutes to remain in the field until only one athlete remains.

A memorial 5K run and walk at Owen Bell Park in Dayville CT that raises funds for a scholarship for Killingly Ag-Ed seniors. The day includes a 5K, a walk, and a kids fun run on off-road paths with possible trip hazards.

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