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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

2027 San Jose Spartan Trifecta Weekend

The San Jose Spartan Trifecta Weekend takes place April 3 and 4, 2027 at Stanislaus County Parks in California. The event is an obstacle course race program that offers multiple race distances across trail and open terrain.

The course includes technical trail running, signature obstacles, grasslands and hills. Races are organized across separate days during the weekend and include options for adults and children.

Race distances

Sprint: 5 km, 20 obstacles
Super: 10 km, 25 obstacles
Beast: 21 km, 30 obstacles
Ultra: 50 km, 60 obstacles
Kids Race: 1 to 3 km, obstacles

Team entries allow participants to secure the same start time as teammates. Team apparel options are available through an apparel partner. The event lists a service member discount of up to 25 percent for eligible US military, law enforcement, firefighting and first responder roles, verified through GOVX.

Additional event information is provided for arrival, heat times, volunteering, accommodation and race documents. Spectator access is available on race days. Visit the organization's website for the most recent information.

United States California Mount Hamilton

Race information

Registration

50 km

Ultra

Half Marathon

Beast

10 km

Super

5 km

Sprint

Kids Race

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

Trail runs nearby

Saturday May 30

Calero Trail Run - Spring

...

A multi-distance trail event at Calero County Park in San Jose on May 30, 2026, featuring single track, dirt paths and hilly terrain up to 50K, with aid stations, free parking and drop bag support for the 50K.

Saturday May 30

Dos Rios Sundown Run

Grayson

3 mi

5 mi

An evening trail event at Dos Rios State Park near Modesto offering 3 mile and 5 mile runs on fire roads along the Tuolumne River. Free registration and an informal post run gathering with donations supporting park rangers.

Saturday Jun 6

Mt Umunhum Ultras

...

A trail event at Almaden-Quicksilver County Park on June 7, 2025 offering distances from 5K to 50K, steep climbs, marked courses, aid stations, and toilet facilities. The 52 mile race is not held in 2025 and is planned to return in 2026.

Saturday Jun 13

Henry W. Coe Hunting Hollow 10K

San Martin

5 km

10 km

Annual 5K and 10K fun run and walk each June at Hunting Hollow in Henry W. Coe State Park. The relatively flat dirt course runs through a wildflower-lined valley with oak trees and occasional wildlife, with proceeds supporting park projects..