Avenue of the Giants Marathon

The Avenue of the Giants Marathon is a scenic running event held in Humboldt Redwoods State Park, California, featuring a full marathon, half marathon, and 10K run. Participants run along a paved course surrounded by majestic old-growth redwoods, providing a unique and inspiring atmosphere. The marathon is a certified Boston Qualifying event, and awards are given to top finishers in various categories.

The event promotes sustainability and is independently organized, making it one of the few marathons free from corporate sponsorship. The next edition will take place on May 4, 2025. Visit the organization's website for the most recent information.