When
Sunday, July 19th, 2026
Where
Diamond Cove, Great Diamond Island ME
Distance
About this race
Race Overview
The Island Ripple Run returns to Diamond Cove, Great Diamond Island, and Little Diamond Island! This is a 4-mile race around two islands in beautiful Casco Bay, just off the coast of downtown Portland.
Race Details
- Distance: 4 miles
- Location: Diamond Cove, Great Diamond Island
- Scenic Route: Participants will enjoy ocean views as this run follows picturesque island roads and wooded paths.
- Tide Crossing: The race goes over the sandbar that attaches Great Diamond and Little Diamond Islands at low tide.
Race Schedule
- Start Time: The Kids Diamond Dash kicks off the morning followed by the Island Ripple Run.
- Ending Point: The race ends on the north side of Great Diamond Island near the tent site.
- Refreshments: Light refreshments will follow the races.
- Donation: All proceeds from this race go to the Dennis Farrell Memorial Scholarship Fund at Rippleffect, located on neighboring Cow Island.
Event Information
For more details, visit the race's official page: Island Ripple Run.
Course map
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