Official Spartan Race calendar listing for 2026 San Jose Trail Challenge on 2026-09-27. Major/high-attendance evidence: Spartan's official race finder describes Spartan as the most popular obstacle course race in the world and lists this amateur-enterable event with formats: Trail 50K • Trail 10K • Trail Half Marathon.
Date
Sep 27, 2026
Distance
—
Elevation
—
Difficulty
n/a
3 eventos
Sort: recommended