South Hills Single Track Trail Run - Spring

San Jose, United States • 22 Mar 2025

The South Hills Single Track Trail Run - Spring is an exciting trail running event taking place at Calero County Park in San Jose, CA. Participants can choose from various distances, including a 50K, Trail Marathon, Half Marathon, and shorter races down to a Kids Run. The course features scenic single tracks, hills, and dirt paths, making it a great training opportunity for endurance runners. The event includes multiple aid stations and offers a commemorative medal for all finishers. Registration is available on race day, and detailed course maps can be found on the event's website. Visit the organization's website for the most recent information.

Race information

50 km
50k
26 mi
Trail Marathon
16 mi
16 Mile
13 mi
Half Marathon
9 mi
9 Mile
10 km
10k
5 km
Mile
Kids Run
Visit the organization's website for the most recent information.
Trail runs nearby

Enjoy scenic redwood trails at Huddart Park with distances from 3 Mile to Half Marathon, plus a family Mermaid Dash for kids. Try the festive 6 Hour Challenge to see how many 3 Mile loops you can cover, or join virtually.

Tackle scenic rolling trails around Lake Chabot with distances from 8K to 50K and a free kids dash. Well marked loops, stocked aid stations and a cupless policy make this a rewarding challenge for trail runners of all levels.

Take on the rolling, scenic trails of Rancho Cañada del Oro in Morgan Hill with distances from 5K to 50K. Expect challenging hills, mixed singletrack and fire road, creek crossings and big views framed by old oaks for a true trail running a..

Celebrate Thanksgiving at the Zoom Turkey Trot in San Jose at Hellyer Park with a USATF certified half, 10K, 5K and kids runs, plus t shirts and finisher medals. Flat, fast courses and stocked aid stations welcome all abilities.

Join the Quarry Turkey at Quarry Lakes on November 29 for a fast, mostly flat trail 5K, 10K or half marathon with a free kids sprint and family friendly Thanksgiving costumes encouraged. Proceeds benefit Alameda County Community Food Bank.

Tackle scenic singletrack and dirt at Calero County Park in the Calero Trail Run Winter, with distances from a kids mile to a 50K. Expect rolling hills, oak vistas, aid stations, a finishers medal and race day registration.