When is Big River Adventure?

Big River Adventure takes place on May 30, 2026. That's in 6 days.

Where is Big River Adventure located?

Big River Adventure is held in Mendocino, California, United States.

What distances are available at Big River Adventure?

Big River Adventure offers the following distances: 10K, 5K.

How do I register for Big River Adventure?

You can register for Big River Adventure through the official registration page.

What is the typical weather for Big River Adventure?

Based on historical data, you can expect temperatures between 51°F and 82°F on race day. There's approximately a 3% chance of precipitation.

Big River Adventure (5K-10K) - May 30, 2026 | Mendocino, CA

Lace up your running shoes for the Big River Adventure, a truly scenic and meaningful race experience set for May 30, 2026, in the charming coastal town of Mendocino, California. Offering both 10K and 5K distances, this event isn't just a race; it's the 25th annual fundraising effort to support the Cancer Resource Centers of Mendocino County, uniting the community to honor those impacted by cancer. Runners will embark on a journey that begins and ends at the breathtaking Big River State Beach, a unique location where the tranquil river meets the powerful Pacific Ocean, creating one of the most beautiful starting lines imaginable.

The course itself promises an unforgettable experience. Starting on a beautiful, wide, and flat path that meanders past majestic redwood trees, runners can find their rhythm amidst stunning natural beauty. The route follows the Big River inland from Mendocino Bay on a rolling, dirt-surfaced trail, offering a mix of wooded sections and open spots with glimpses of the river. With approximately 320 feet of elevation gain over 4.8 miles on the Big River Trail, both distances provide an engaging challenge. Typical race day conditions in late May offer pleasant highs around 82°F and lows around 50°F, with a minimal 3% chance of precipitation, creating ideal running weather.

What truly sets the Big River Adventure apart is its dual nature as both a physical challenge and a community celebration. Participants can expect a well-organized event, focused on the cause and the runner experience. The event also provides multiple activities beyond running, including options to walk, swim, or paddle, reinforcing its spirit of adventure and inclusivity. Join fellow participants in this special event, contributing to a vital cause while immersing yourself in the unparalleled beauty of Mendocino's river, redwoods, and coastline.