Logo

Inside Trail - Santa Cruz Trail Run

Felton, United States • 23 Aug 2025

The Santa Cruz Trail Run, hosted by Inside Trail Racing, takes place at Henry Cowell Redwoods State Park in Felton, California. This scenic event features three distances: 10K, Half Marathon (13.5 miles), and 30K (18.2 miles), with challenging elevation gains up to 3,250 feet. Runners traverse twisting single-track trails, dirt fire roads, and a unique sandy ridge, enjoying ocean breezes and giant redwoods.

The 30K and Half Marathon courses include two crossings of the San Lorenzo River. Aid stations stocked with energy gels, snacks, and hydration are spaced every 5-6 miles. The race promotes sustainability as a cupless event, requiring runners to carry their own reusable cups or bottles.

Post-race festivities and family-friendly atmosphere make it a popular trail running experience. Visit the organization's website for the most recent information.

United States California Felton

Race information

Website Registration
30 km
30k
13 mi
1/2 Marathon
10 km
10k
Visit the organization's website for the most recent information.
Trail runs nearby

13 Mile Trail Race Top Down

San Jose - 22 mi from Felton

The 13 Mile Trail Race Top Down is a scenic trail running event held in San Jose, California, featuring a half marathon course through Almaden Quicksilver Park and Sierra Azul Open Space Preserve. Participants are transported from Almaden Quicksilver Park to the starting point at Mt. Umunhum, where..

Trailquake

Saratoga - 15 mi from Felton

Trailquake is a trail running event held at Sanborn Park in Saratoga, California, featuring 5K, 10K, and half marathon distances. Participants run through scenic redwood and pine forests along the San Andreas Trail, experiencing breathtaking single-track trails and challenging ascents to peaks with..

Run for Amma

Los Gatos - 14 mi from Felton

Run for Amma is an annual charity running event held at Skyline Ridge Open Space Preserve in Los Gatos, California. The race offers three distance options: 50K, 30K, and 10K, featuring challenging elevation gains of 5,266 feet, 3,629 feet, and 980 feet respectively. The event fosters a supportive an..

Calero Trail Run - Spring

San Jose - 22 mi from Felton

...

The Calero Trail Run - Spring is a trail running event held at Calero County Park in San Jose, California, featuring multiple race distances including a Kids Run, 5K, 10K, 15K, half marathon, 25K, marathon, and 50K. The course offers challenging single tracks, hills, dirt paths, and scenic vistas, m..

Mt Umunhum Ultras

Gold Creek - 16 mi from Felton

...

The Mt Umunhum Ultras is a trail running event held in San Jose, California, featuring multiple race distances including a 52-mile ultra, 50K, trail marathon, 30K, half marathon, and shorter races like 9-mile, 10K, and 5K. The event offers challenging courses with over 15,000 feet of elevation gain..

Skyline Ridge Trail Run

La Honda - 21 mi from Felton

The Skyline Ridge Trail Run, held in La Honda, California, offers two distances: a 50K ultramarathon and a 21K half marathon. The courses traverse the scenic Skyline Ridge, Russian Ridge, and surrounding open space preserves, featuring diverse terrain including narrow hiking trails, ranch roads, eve..