Mount Desert Island Marathon, Half & Relay is a premier destination race offering a full Marathon, Half Marathon, and Team Relay through the picturesque landscapes of Maine’s rugged coastline and Acadia National Park. Known for its challenging terrain and awe-inspiring scenery, this race attracts runners seeking both a test of endurance and a stunning backdrop. Participants will navigate rolling hills, charming villages, and ocean vistas, making it one of the most scenic races in the country. Whether running solo or as part of a team, this event delivers an unforgettable experience with top-notch organization and enthusiastic local support.
Race Date:
19 October, 2025
The Mount Desert Island Half Marathon, also held on October 19, 2025, brings runners through 13.1 miles of coastal views and New England charm, starting in the quaint village of Northeast Harbor. With organization by Crow Athletics, this half marathon offers a scenic journey through Maine’s landscapes, showcasing the beauty of fall in Acadia National Park.
Weather based on historical averages.
The Mount Desert Island Half Marathon, also held on October 19, 2025, brings runners through 13.1 miles of coastal views and New England charm, starting in the quaint village of Northeast Harbor. With organization by Crow Athletics, this half marathon offers a scenic journey through Maine’s landscapes, showcasing the beauty of fall in Acadia National Park.
The Mount Desert Island Half Marathon is 21km long.
The Mount Desert Island Half Marathon takes place in Mount Desert, Maine, USA.
Runna classifies the Mount Desert Island Half Marathon elevation profile as Moderate.
The best way to train for the next race is to use a personalized training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
The Mount Desert Island Half Marathon, also held on October 19, 2025, brings runners through 13.1 miles of coastal views and New England charm, starting in the quaint village of Northeast Harbor. With organization by Crow Athletics, this half marathon offers a scenic journey through Maine’s landscapes, showcasing the beauty of fall in Acadia National Park.
The Mount Desert Island Half Marathon is 21km long.
The Mount Desert Island Half Marathon takes place in Mount Desert, Maine, USA.
Runna classifies the Mount Desert Island Half Marathon elevation profile as Moderate.
The best way to train for the next race is to use a personalized training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
Running
Nature
Relay
Park
This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by Mount Desert Island Marathon, Half & Relay or Crow Athletics. All event details are based on publicly available information and are provided solely to help users discover running events. Runna does not use any official logos, images, or proprietary content from this event or its organiser. Any trademarks or names mentioned are used descriptively to identify the event in a factual manner. For the most accurate and up to date information (including to register or purchase an entry to the event), please visit the Mount Desert Island Marathon, Half & Relay website.