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Marathon directory
Marathons in Bar Harbor, Maine
1 upcoming marathon listed in Bar Harbor. Next: Mount Desert Island Marathon on October 18, 2026.
1marathon upcoming
Bar Harborcity
October 18, 2026Next race
Marathon, Half marathon, Relay, Kids' Rundistances
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Planning notes for Bar Harbor, Maine, United States
Use this city page to shortlist 1 upcoming race by date, distance, registration path, and official source.
- Next raceMount Desert Island Marathon on October 18, 2026
- Busy monthsOctober (1)
- DistancesMarathon, Half marathon, Relay, Kids' Run
- VerifyOpen each race page, then confirm details from its official, registration, course-map, or source link.