Mount Desert Island Marathon 2025

• Scenic course through Acadia National Park, featuring lakes, mountains, and the only fjord on the East Coast.
• Recognized as one of the most scenic and top destination marathons globally.
• Challenging route with a 1700 ft. elevation gain, including significant inclines and a downhill finish.
• USATF certified, qualifying for the Boston Marathon, with a 6.5-hour time limit.
• Excellent support with frequent aid stations and enthusiastic volunteers.

The Mount Desert Island Marathon is a highly acclaimed and scenic marathon that takes place on the breathtaking Mount Desert Island, Maine. Set against the dramatic autumn backdrop of Acadia National Park, runners are treated to a challenging and picturesque course that embodies New England's natural beauty at its finest.

The race begins in the quaint town of Bar Harbor and meanders through hilly, winding roads that showcase the island's stunning landscapes — from tranquil lakes and soaring mountains to sleepy villages and expansive seaside vistas. Running along parts of Somes Sound, the only fjard on the Eastern Seaboard, athletes experience panoramic views that are especially stunning with the brilliant fall foliage.

The course itself is both revered and respected for its demanding climbs and exhilarating descents. Participants face a significant ascent early on, with a 150-foot climb from mile one to mile three, followed by a downhill stretch that provides a welcome relief before entering a series of rolling hills that demand strategic pacing and endurance.

As a USATF certified course, the Mount Desert Island Marathon serves as a Boston Marathon qualifier. This certification assures runners of the precision in its 26.2-mile measurement and the adherence to official marathon standards.

This marathon has garnered accolades, earning titles such as "Maine's BEST Marathon!" by RaceRaves and "Most Scenic & runner-up Best Overall Marathon!" by Runner's World. It's praised not only for its visual appeal but also for the unique experience it offers through its intimate and community-driven atmosphere.

Registration for this marathon is a coveted opportunity, as the entry spots are limited and fill up quickly, often opening in November of the preceding year. Runners can start gearing up from the start line at 200 Main Street, Bar Harbor, and enjoy a rewarding finish at 327 Main Street in Southwest Harbor. The event promises not just a race, but an enthralling weekend experience complete with a half-marathon and relay events, ensuring a memorable participation for all involved.

Mid-October in Bar Harbor, Maine, for the Mount Desert Island Marathon typically features temperatures ranging from 47-57°F (8-14°C), with morning starts in the upper 30s to low 40s (3-6°C). Expect breezy conditions that might add a chill, along with a 34% chance of rain. Prepare for moderately chilly weather, with the possibility of early morning fog and hilly terrain.

Experience the Mount Desert Island Marathon, a 26.2-mile journey through the breathtaking landscapes of Acadia National Park and its charming surrounding villages. Starting in downtown Bar Harbor, this course offers runners a diverse and scenic adventure that finishes in Southwest Harbor.

Begin with a gentle downhill before tackling a 150-foot climb that takes you between Champlain and Dorr Mountains, under the shadow of Cadillac Mountain. The course then descends to Seal Harbor Beach, offering rolling, curving vistas of Seal Harbor and the Cranberry Isles. By mile 10, the rolling hills open up to unparalleled views, with Northeast Harbor visible across the ocean.

Key landmarks include the majestic Somes Sound, the only fjord on the Atlantic Coast, and the stunning backdrop of Acadia National Park, which is particularly splendid during peak fall foliage. This marathon is not just about the miles but the experience of running through tranquil lakes, soaring mountains, and sleepy Maine villages, all while navigating challenging elevation changes. The combination of natural beauty and a demanding course makes it a must-do event for any marathon enthusiast.

Bar Harbor, Maine, offers a captivating mix of natural beauty and cultural charm, making it an ideal destination for marathon travelers. Set against the backdrop of Acadia National Park, visitors can explore rugged coastlines, hike scenic trails, and take in breathtaking views from Cadillac Mountain. Outdoor enthusiasts will find plenty to do, from kayaking to biking through the park's diverse landscapes.

In downtown Bar Harbor, you'll discover a vibrant scene filled with unique shops, galleries, and eateries. Stroll along the Shore Path for stunning vistas of Frenchman Bay and the Porcupine Islands. The town's cultural calendar is equally enticing, with events like the Bar Harbor Music Festival in July and the Fine Arts Festival in August, showcasing a range of artistic talents.

For a taste of local culture, dive into the island’s culinary offerings, featuring fresh seafood and blueberry delicacies. Take time to explore community events and festivals that highlight Bar Harbor's lively spirit. Whether you're drawn to the natural wonders or the rich cultural scene, Bar Harbor promises a memorable experience.