| Events | JTU Web Magazine - Japan Triathlon Union

2 Jul, 2025 -

Japan Entry Closed

7 Sep, 2025

Sado International Triathlon 2025
- Niigata Sado, Niigata
- Long Distance Triathlon
- Long Distance
- AgeGroup
Japan

14 Sep, 2025

IRONMAN Japan South Hokkaido
- Hokkaido Hokkaido, Japan
- Triathlon
- Long Distance
- AgeGroup
Japan Entry Closed

entry

21 Sep, 2025

2025 Asia Triathlon Cup Gamagori AgeGroup
- Aichi Gamagori, Japan
- Triathlon
- Sprint
- AgeGroup
Oversea Accepting Entry

15 - 19 Oct, 2025

2025 World Triathlon Age-Group Championships Wollongong
- Wollongong, Australia
- syumoku Triathlon
- Mixed Relay Sprint Standard
- AgeGroup

2025
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