Spartan Race in Chihibu-gun, JP, Japan. 3 events on Saturday, February 21, 2026.
The Saitama Chichibu Sprint 5K and Kids Race 2026 take place in the scenic Chichibu Muse Park, nestled in the Nagaone Hills. The course features a mix of mountain trails and grassy terrain, offering a challenging yet picturesque experience for both competitive adult runners and young participants. Located in the Chichibu region, known for its natural beauty, the event allows runners to enjoy the changing seasons while testing their skills on the demanding course.
Start times as published by the organizer. Waves fill up; check the official site before you book.
Airports within 200 km of the venue. Each one lists the other races you can reach from it.
Actual conditions on these dates over the past 5 years.
| Year | High | Low | Wind | Rain |
|---|---|---|---|---|
| 2026 | 12°C | -3°C | 9 km/h | — |
| 2025 | 7°C | -4°C | 18 km/h | — |
| 2024 | 11°C | 4°C | 11 km/h | 6.8 mm |
| 2023 | 4°C | -3°C | 24 km/h | — |
| 2022 | 4°C | -3°C | 21 km/h | — |
Spartan Saitama is a mountain, trail and grass course with a single Sprint wave. Every training plan is built around your race date, your fitness and the days you can train.