Humboldt Bay Marathon

The Humboldt Bay Marathon is a nonprofit running event held in Eureka, California, promoting fitness and outdoor recreation in Humboldt County. Scheduled for August 10, 2025, this year marks the 10th running of the marathon, which has been designated as the RRCA California State Championship Marathon. Participants can choose from a full marathon, half marathon, and a Beer Mile race, all set against the backdrop of the scenic Humboldt Bay.

The event encourages runners of all levels, from those seeking personal records to those looking for a beautiful running experience. Volunteers are also welcomed to support the event. Visit the organization's website for the most recent information.