August 22, 2026 | Katashina Village, Tone District, Gunma Prefecture
Swim
600m
Bike
10K
Run
4K
Due to unforeseen circumstances, this event has been canceled for 2026. We appreciate your understanding and look forward to welcoming you at future events.
XTERRA Japan Marunuma Youth B Triathlon, with its shorter distances and less technical courses, is the ideal off-road triathlon race for first timers, young guns and those who are looking to go fast and finish quick.
This information is not yet confirmed, and subject to change.
All participants
Division Top 3
All Finishers
| AGE GROUPS | AGES | M/F |
|---|---|---|
| Junior | 18-19 | TOP 5 |
| Youth B | 16-17 | TOP 5 |
| Youth A | 14-15 | TOP 5 |