The Boise Spartan Trifecta Weekend 2026 takes place in the rugged high desert of Western Idaho, where the Snake River Plain cuts through sweeping vistas and volcanic soil. The Pence Ranch, a beloved athlete destination, offers raw, untamed terrain and wide-open skies that demand participants' full grit. Expect steep climbs, deep dust, and a Trifecta weekend packed with signature Spartan intensity, whether you're chasing your first medal or stacking another Trifecta.
| Race | Start | Distance | Training plan |
|---|---|---|---|
| HH4HROpen | 05:00 | — | Training Plan |
| BeastElite | 07:00 | 21.0 km | Training Plan |
| BeastAge Group | 07:15 | 21.0 km | Training Plan |
| BeastOpen | 08:00–09:30 | 21.0 km | Training Plan |
| Kids Race 3K | 09:00 | 3.0 km | |
| SprintOpen | 11:00 | 5.0 km | Training Plan |
| Kids Race 1.5K | — | 1.5 km | |
| Kids Race 1K | — | 1.0 km |
| Race | Start | Distance | Training plan |
|---|---|---|---|
| SuperElite | 07:00 | 10.0 km | Training Plan |
| SuperAge Group | 07:15 | 10.0 km | Training Plan |
| SuperOpen | 08:00–10:00 | 10.0 km | Training Plan |
| Kids Race 3K | 09:00–12:00 | 3.0 km | |
| SprintOpen | 12:00 | 5.0 km | Training Plan |
| Kids Race 1.5K | — | 1.5 km | |
| Kids Race 1K | — | 1.0 km |
Fly into one of these airports within 200km of the race venue.
Actual weather data for this date over the past 5 years.
| Year | High | Low | Wind | Rain |
|---|---|---|---|---|
| 2025 | 28°C | 13°C | 14 km/h | — |
| 2024 | 35°C | 21°C | 11 km/h | — |
| 2023 | 29°C | 14°C | 10 km/h | — |
| 2022 | 40°C | 20°C | 11 km/h | — |
| 2021 | 31°C | 20°C | 27 km/h | — |