2026 Avenue of the Giants Marathon

Embark on an unforgettable journey through towering ancient forests at the 2026 Avenue of the Giants Marathon, Half Marathon, and 10K on May 3, 2026, in scenic Humboldt Redwoods State Park, Arcata, CA. This renowned event, consistently hailed by runners as one of the most picturesque in America, offers a unique opportunity to run a USATF-certified, Boston Qualifying course beneath a majestic canopy of 300-foot-tall old-growth redwood trees.

The course, an out-and-back route run entirely on paved roads, is celebrated for its mostly flat and fast profile, with gentle inclines and "shorter rollers" mainly on overpasses, making it ideal for personal bests and BQ hopefuls. As you weave alongside a serene creek, the cool, shaded environment provided by the redwoods creates optimal running conditions, with typical race day highs around 58°F and lows around 46°F, and only a 9% chance of precipitation. Aid stations are well-spaced and organized, positioned approximately every 2-3 miles, offering water, Gatorade, oranges, and bananas.

The Avenue of the Giants Marathon, first organized by the Six Rivers Running Club in 1972, maintains its reputation for exceptional organization and a friendly, intimate atmosphere, distinguishing itself as an independently green event not associated with corporate sponsors. Runners frequently praise the phenomenal scenery and camaraderie, often citing the pure joy of the experience. While the natural beauty is unparalleled, be aware that the dense redwood canopy may sometimes interfere with GPS signals on running watches. Plan your lodging and arrival carefully, as the rural setting of Humboldt Redwoods State Park ensures a tranquil escape but limited on-site amenities.