Course
Point-to-point road marathon from 200 Main Street, Bar Harbor to Southwest Harbor on Mount Desert Island, with the half marathon starting at Northeast Harbor and the relay from Bar Harbor. The route climbs 150 ft between miles 1 and 3, drops to its lowest point at mile 16 along Somes Sound, tops out at mile 25 and finishes on 1.2 miles of downhill. Course limit is 6.5 hours, with the finish closing at 2:30pm.
Key dates
- ★Race dayOctober 2027 · date to be announced
About
The Mount Desert Island Marathon runs through Bar Harbor and Acadia National Park, tracing the shoreline of Somes Sound, often called the only fjord on the U.S. East Coast, on a rolling, hilly course.
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