Mount Desert Island Marathon

Mount Desert Island Marathon Get REAL Maine. Run MDI! Marathon • Half • Relay • Kids Run
Race day is October 18, 2026 Once you , you’ll see why!

The Mount Desert Island Marathon, Half & Relay is North America’s premier destination road race. The award-winning course features miles of pristine terrain passing tranquil lakes, soaring mountains, sleepy Maine villages, and stunning seaside vistas —including Somes Sound, the only fjord on the Eastern Seaboard— all set against the awe-inspiring backdrop of Acadia National Park in peak fall folia

ge season. The Marathon and Team Relay start in the world-famous town of Bar Harbor, while the Half-Marathon starts in the well-to-do village of Northeast Harbor. All three races finish on the quietside of MDI in the hardworking lobster fishing community of Southwest Harbor. Hosted by Crow Athletics and held annually the weekend following Indigenous People’s Day, this fall classic has earned national and international accolades.

12 WEEKS! 🌲🦞🌊🍁 runmdi.org📷: Kevin Morris Photographer
07/26/2026

12 WEEKS! 🌲🦞🌊🍁 runmdi.org

📷: Kevin Morris Photographer

13 WEEKS! 🌲🦞🌊🍁 runmdi.org📷: Kevin Morris Photographer
07/19/2026

13 WEEKS! 🌲🦞🌊🍁 runmdi.org

📷: Kevin Morris Photographer

14 WEEKS! 🌲🦞🌊🍁 runmdi.org📷: Kevin Morris Photographer
07/12/2026

14 WEEKS! 🌲🦞🌊🍁 runmdi.org

📷: Kevin Morris Photographer

15 WEEKS!** 🌲🦞🌊🍁 runmdi.org📷: Kevin Morris Photographer (**more li...
07/06/2026

15 WEEKS!** 🌲🦞🌊🍁 runmdi.org

📷: Kevin Morris Photographer



(**more like 14 weeks and six days... oops! 😬🙈)

16 WEEKS! 🌲🦞🌊🍁 runmdi.orgSpecial thanks to our MDI Kids Run presenting sponsor Bangor Savings Bank for making this event...
06/28/2026

16 WEEKS! 🌲🦞🌊🍁 runmdi.org

Special thanks to our MDI Kids Run presenting sponsor Bangor Savings Bank for making this event possible!

📷: Kevin Morris Photographer

06/27/2026
17 WEEKS! 🌲🦞🌊🍁 runmdi.org Best of luck to everyone running, volunteering, and cheering at the Bay of Fundy International...
06/21/2026

17 WEEKS! 🌲🦞🌊🍁 runmdi.org

Best of luck to everyone running, volunteering, and cheering at the Bay of Fundy International Marathon today!

📷: Kevin Morris Photographer

18 WEEKS! 🌲🦞🌊🍁 runmdi.org📷: Kevin Morris Photographer
06/14/2026

18 WEEKS! 🌲🦞🌊🍁 runmdi.org

📷: Kevin Morris Photographer

Congratulations, Seneca! 💚
06/14/2026

Congratulations, Seneca! 💚

06/11/2026

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Bar Harbor, ME
04609

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