2025 Avenue of the Giants Marathon

Get ready for an unforgettable experience at the 2025 Avenue of the Giants Marathon, taking place on Sunday, May 4th, 2025, in the breathtaking Humboldt Redwoods State Park, Northern California. This extraordinary marathon invites runners to navigate through towering old-growth redwoods along a serene creek, offering a stunning backdrop that is truly one of the most beautiful in the world. The course features a gently winding paved road that is primarily flat and fast, making it an ideal destination race for runners of all levels. With its certified course and status as a Boston Qualifying event, the Avenue of the Giants Marathon is the perfect choice for those looking to achieve their personal best while being inspired by nature's grandeur. Don't forget to mark your calendars for the Humboldt Redwoods Marathon, the sister race held on the same scenic course in October, ensuring a full year of running adventures in this majestic setting!