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Course & Elevation

The Sugarloaf Marathon & 15K is a point-to-point road race in western Maine, held on a Sunday in mid-May. The marathon starts at Cathedral Pines Campground on Route 27 in Eustis and finishes in downtown Kingfield, running down the Carrabassett Valley. The organisers describe a gradual 16-mile descent and call the course one of the fastest in the Northeast despite its mountainous setting. The 15K covers the final 9.3 miles of the marathon route, starting at the Sugarloaf Mountain access road and finishing in Kingfield. The race is certified by USATF, serves as an official Boston Marathon qualifier and has a 1,500-runner limit. It is hosted by Sugarloaf resort in Carrabassett Valley and calls itself Maine's oldest continuously run marathon. The 2026 edition was the 42nd annual race and drew approximately 900 runners across the marathon and the 15K. A race-report summary describes a start that is mostly uphill for the first 10 miles before the long descent into Kingfield. The next edition is scheduled for 16 May 2027, with registration opening in 2027.

Surface: road Profile: Mountainous

Weather

Typical climate for the race month — an estimate, not a forecast or a race-day record

Temperature 12°C
Humidity 65%
Rain Chance 42%

Mid-May in western Maine is cool: afternoon highs average about 19°C and mornings about 5°C, and measurable rain falls on roughly twelve to thirteen days of the month.

Related Guides

Kingfield cityscape

Kingfield

Race Lore

Maine's Oldest Continuously Run Marathon

Sugarloaf bills its marathon as Maine's oldest continuously run marathon, and the 2026 race was the 42nd annual edition. The marathon runs from Cathedral Pines Campground in Eustis to downtown Kingfield, while a 15K shares the last 9.3 miles of the route. The marathon is a Boston Marathon qualifier and is certified by USATF, and the field is capped at 1,500 runners.

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