2025 Marathons

Alaska 2025 Marathons

Your complete Alaska 2025 marathon calendar. Find every marathon happening in Alaska in 2025 with comprehensive race details, registration information, and official results, including the Prince of Wales Island Marathon (Craig), Duff’s Skagway Marathon (Skagway), and Anchorage Mayor's Marathon (Anchorage).

Each marathon listing includes a 2025 marathon guide including dates, locations, course details, weather conditions, and relevant links for registration and more information. We maintain the most current results database, publishing official results on race day, plus complete 2024 results for year-to-year comparison.

Prince of Wales Island Marathon

Craig, Alaska

May 24, 2025

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The Prince of Wales Island Marathon offers a challenging and scenic out-and-back route that climbs 2,108 feet through the breathtaking landscapes of Southeast Alaska, with views of lakes, streams, and muskeg areas. Limited to just 350 runners, this race on Alaska's largest island combines rigorous terrain with a tranquil, intimate atmosphere, providing a unique opportunity to experience the untamed beauty of the Tongass National Forest.

Duff’s Skagway Marathon

Skagway, Alaska

June 1, 2025

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The Duff's Skagway Marathon takes runners on a rugged journey through Alaska's breathtaking landscapes, starting in the historic town of Skagway and transitioning from road to challenging trail conditions along the Gold Rush Trail. Known for its demanding course, this marathon offers an unforgettable adventure through glacial valleys and over the Taiya River Trestle Bridge, rewarding participants with stunning views of the West Creek Glacier and Lynn Canal.

Anchorage Mayor's Marathon

Anchorage, Alaska

June 21, 2025

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The Anchorage Mayor's Marathon takes runners on a scenic journey through diverse terrains, from paved trails to gravel roads, showcasing Anchorage's natural beauty and urban charm while offering the rare experience of running under the midnight sun. Held during the summer solstice, this Boston qualifier not only challenges with its moderate elevation but also invites participants to enjoy a festive weekend filled with local wildlife sightings and cultural celebrations.

Juneau Marathon

Juneau, Alaska

July 26, 2025

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The Juneau Marathon takes runners on a breathtaking journey through Alaska's stunning landscapes, featuring a moderately hilly course that offers awe-inspiring views of mountains, glaciers, and the ocean, with a chance to spot humpback whales along the way. As a Boston Marathon qualifier with no time limits, this race provides a unique blend of challenge and serenity, allowing runners to soak in the natural beauty of Southeast Alaska while pursuing personal marathon goals.

Kenai River Marathon

Kenai, Alaska

September 28, 2025

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The Kenai River Marathon offers a captivating 26.2-mile loop through Alaska's breathtaking landscapes, featuring rolling hills and flat stretches with stunning views of the Kenai River and snow-capped Kenai Mountains. Held during the peak salmon season, this race not only provides a serene and intimate running experience but also immerses participants in the community spirit with events like a spaghetti feed, all while supporting local parks and recreation.