Mount Desert Island Marathon
17 October 2027 · Bar Harbor, United States
Enter on the race websiteYou start at 200 Main Street in Bar Harbor and climb about 150 feet, between miles one and three, over the ridge that lies between Champlain and Dorr Mountains. Then you drop toward the sea at Otter Creek. The route follows the Hunters Beach Trail and passes Somes Sound before finishing in front of Pemetic School in Southwest Harbor. The marathon is USATF certified with a 6.5-hour limit and no early start. General registration is limited, and charity bibs are available once it closes.
Map © Mapbox © OpenStreetMap.
The Running Algorithm isn't affiliated with this race's organiser. Check the official site for the latest details.
Course
The map above marks the start. The organiser publishes the full route.
See the official course mapTypical weather
Historical averages for this place and date.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.
What could you run here?
Get a predicted time for this course from a recent race result.