2.6
(25)
48
runners
04:43
44.7km
440m
Running
Embark on the Mount Desert Island Marathon, a difficult jogging route spanning 27.7 miles (44.7 km) through coastal Maine and Acadia National Park. You will experience varied terrain, from paved roads to unpaved sections with roots, as you gain 1449 feet (442 metres) in elevation. The journey offers stunning seaside…
Last updated: April 23, 2026
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Your route passes through protected areas
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Waypoints
Start point
Parking
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4.92 km
Highlight • Lake
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Tip by
9.24 km
First Light Assembly of God Church
Place Of Worship
16.0 km
Union Church
Place Of Worship
21.9 km
Acadia Friends Meeting House
Place Of Worship
22.6 km
Gilpatrick Cove
Bay
30.3 km
Saint James Church
Place Of Worship
35.2 km
Somes Pond Outlet
Lake
40.1 km
Highlight • Lake
Tip by
43.3 km
Viewpoint
Viewpoint
44.6 km
Southwest Harbor Congregational Church
Place Of Worship
44.7 km
End point
Parking
Way Types & Surfaces
Way Types
27.6 km
11.7 km
4.05 km
1.22 km
< 100 m
Surfaces
32.6 km
9.73 km
1.53 km
776 m
< 100 m
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Elevation
Highest point (80 m)
Lowest point (0 m)
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Weather
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Today
Tuesday 26 May
23°C
11°C
0 %
Additional weather tips
Max wind speed: 18.0 km/h
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This route was planned by komoot.
The route features a diverse mix of surfaces, including paved roads and unpaved sections through forested trails and along the rugged coastline. You can expect significant elevation changes with rolling hills, including a 150-foot climb early on, a sharp incline between miles 17 and 18, and a gradual ascent from mile 20 to 25. There are also long, gradual downhills, particularly towards the finish line. Some wooded areas may have roots underfoot.
The route is renowned for its breathtaking scenery, offering pristine terrain, tranquil lakes like The Tarn and Echo Lake, soaring mountains, and stunning seaside vistas. You'll pass through charming Maine villages, see views of Somes Sound (the only fjord on the Eastern Seaboard), and experience the awe-inspiring backdrop of Acadia National Park. Cadillac Mountain is visible in the early miles, and you'll see ragged cliffs and headlands at the southeast tip of the island, including views of Northeast Harbor and the Cranberry Isles.
The marathon is typically held in mid-October, which coincides with Acadia National Park's peak fall foliage. This offers an unparalleled visual experience with vibrant autumn colors enhancing the natural beauty. The weather during this time is generally cool and crisp, ideal for jogging.
This route is considered challenging due to its significant elevation changes and varied terrain. While individual hills may not be excessively long, their frequency and cumulative gain can be demanding. Many experienced runners describe it as one of the toughest courses they've encountered, with over 1,500 feet of elevation. It is recommended that participants have prior hill training.
Specific parking details for the marathon event are usually provided by race organizers. For general access to sections of the route within Acadia National Park, various parking lots are available, but they can fill up quickly, especially during peak season. It's advisable to check the Acadia National Park website for current parking information and potential shuttle services.
The Mount Desert Island Marathon route largely passes through Acadia National Park. An entrance pass is required to access certain areas of the park, which can be purchased online, at visitor centers, or at fee stations. While the marathon itself has a registration fee, general access to the park for recreational purposes outside of the event requires a park pass. Check the official Acadia National Park website for current fee information and regulations.
Dogs are generally allowed on most trails and carriage roads within Acadia National Park, which the marathon route traverses, provided they are on a leash no longer than 6 feet. However, specific race regulations for the Mount Desert Island Marathon may prohibit dogs during the event itself. Always check the official race guidelines or park regulations for the most current information.
Yes, the route also passes through sections of other paths. You might encounter parts of the Kane Path, Beachcroft Path, Saint Sauveur Mountain Trail, Acadia Mountain Trail, and Jesup Path along the way.
This marathon is distinguished as a premier destination road race in North America, consistently earning accolades for its scenic beauty. It's a USATF-certified course and a direct qualifier for the Boston Marathon. The event has a strong community feel, with the entire island often getting involved. A unique feature is the finisher's medal, often a "Crusher Claw" or "Lobster Claw" medallion, celebrating Maine's maritime heritage.
Given the varied terrain and potential for significant elevation changes, it's essential to wear appropriate running shoes with good support. Layers are recommended, especially in October, as weather can change. Hydration is key, so carry water or know where aid stations are if participating in the race. Sun protection, such as a hat and sunscreen, is also advisable.