5th Deep Japan Ultra 100 - 165 km
5th Deep Japan Ultra 100 - 165 km is a 165 km ultramarathon in Niigata Pref., Japan, taking place on Jun 26 – Jun 28, 2026. This edition has already taken place.
- Date
- Jun 26 – Jun 28, 2026
- Distance
- 165 km
- Location
- Niigata Pref., Japan
- Format
- Fixed distance