2025 Marathons

Hawaii 2025 Marathons

Your complete Hawaii 2025 marathon calendar. Find every marathon happening in Hawaii in 2025 with comprehensive race details, registration information, and official results, including the Maui Oceanfront Marathon (Maui), Big Island International Marathon (Hilo), and Maui Marathon (Ka'anapali).

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.

Big Island International Marathon

Hilo, Hawaii

March 16, 2025

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The Big Island International Marathon takes runners on a breathtaking journey through Hawaii's lush landscapes, featuring 15 miles of rolling hills with an elevation gain of 800 feet, followed by a more relaxed finish along the stunning coastlines of Onomea Bay and Hilo Bay. As a Boston Marathon qualifier, this race combines the challenge of steep hills and varying weather with the allure of Hawaii's natural beauty, making it a rewarding experience for serious marathoners and those seeking a picturesque run.

Honolulu Marathon

Honolulu, Hawaii

December 14, 2025

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The Honolulu Marathon's course takes runners through a vibrant mix of natural beauty and cultural landmarks, featuring the challenging ascent to Diamond Head with stunning views of Oahu's coastline. Known for its warm tropical climate and inclusive atmosphere without a time limit, this race offers a unique blend of festive community spirit and logistical ease, making it a memorable experience for runners of all levels.

Hawaii Bird Conservation Marathon

Hilo, Hawaii

December 21, 2025

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The Hawaii Bird Conservation Marathon offers a breathtaking point-to-point course from Volcano to Hilo, featuring a dramatic 3,792-foot descent with stunning views of Mauna Loa and Mauna Kea, and the chance to hear the dawn chorus of Hawaii's endemic birds. This December race is a Boston Qualifier with a high success rate, supported by dedicated volunteers and contributing to the Hawaii Forest Institute's conservation efforts.