Official Spartan Race calendar listing for 2026 SLO CAL Spartan Trifecta Weekend on 2026-11-07. 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: Sprint • Super • Beast • Ultra • Kids Race.
Date
Nov 7, 2026
Distance
—
Elevation
—
Difficulty
n/a
3 eventos
Sort: recommended