Race to the Top of Mt. Umunhum

An annual August trail event from Lake Chabot Marina offering a 50 km and a half marathon with volunteer aid stations and a plant-based finish festival.

A trail running event on Aug. 8, 2026 in Gilroy, California through redwood groves and peak viewpoints. Distances include a 5K, 10K and half marathon with significant elevation gain, and proceeds support youth scholarships.

Trail races on hilly mixed dirt and single track at Almaden Quicksilver Park with distances from 5K to 50K, aid stations, drop bag service for longer races, and mandatory course markings and cutoffs.

A community running event in Felton, California, featuring a 10K through Henry Cowell Redwoods State Park and a 1 mile kids race, beginning and ending at Roaring Camp Railroads; registration includes a pancake breakfast and supports local e..