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San Jose Spartan Trifecta Weekend

Name: San Jose Spartan Trifecta Weekend
Start: 2027-04-03
End: 2027-04-04
Location: Mount Hamilton

Mount Hamilton, United States • 3-4 Apr 2027

San Jose Spartan Trifecta Weekend

The event takes place April 3-4, 2027 at Stanislaus Co Parks, CA. The weekend features multiple obstacle-course races, a kids race, and spectator access.

Race distances include:

Sprint: 5 km, 20 obstacles, from $89
Super: 10 km, 25 obstacles, from $105
Beast: 21 km, 30 obstacles, from $135
Ultra: 50 km, 60 obstacles, from $175
Kids Race: 1-3 km with obstacles

The course combines technical trail running with signature obstacles and traverses grasslands and hills. The layout is intended for pacing and timed performance across varied terrain.

Team registration permits the same start time for team members and offers savings when tickets are purchased together. Volunteer opportunities include options to volunteer and race for free. A service member discount of up to 25% is available for US Military, US law enforcement, US firefighters and first responders, and US government employees with verification. Visit the organization's website for the most recent information.

United States California Mount Hamilton

Race information

Registration

50 km

Ultra 50k

Half Marathon

Beast 21k

10 km

Super 10k

5 km

Sprint 5k

Kids Race 1-3km

Visit the organization's website for the most recent information.

Trail runs nearby

Saturday Apr 18

Badger Cove Half Marathon

Experience the hills of Del Valle Regional Park in Livermore with a flat 5K or hilly 10K and half marathon. All participants receive a custom medal and t-shirt with professional chip timing included for all distances.

Saturday Apr 18

Sierra Azul Trail Challenge

...

Trail races in the Sierra Azul Open Space Preserve near Mt. Umunhum, offering distances from 5K to 50K on out and back routes. Courses are marked with pink ribbons and supported by staffed aid stations with drop bag service for longer event..

Saturday May 2

Hacienda Hills Trail Run - Spring

...

Held May 3, 2025 at Almaden Quicksilver County Park, this trail event offers distances from a kids run to 50K on dirt roads and single track, with marked courses, multiple aid stations, drop bag service at the Hacienda and free parking.

Saturday May 9

Quicksilver Endurance Runs

San Jose

50 km

100 km

Test your endurance at Almaden Quicksilver County Park with 50 km or 100 km trail races. These USATF sanctioned events offer significant elevation gain and the 100 km distance serves as a Western States 100 qualifier.