In Memory of Mr. Shigeo Nagashima, Former Honorary President to Japan Triathlon Union
Swim Environment Measures Guidebook [PDF]
Japan Triathlon Union mourns losses from recent earthquake in Myanmar and Thailand
World Triathlon, the World Triathlon Series Yokohama Organizing Committee and the Japan Triathlon Union have signed a five-year contract to host the World Triathlon Championship Series Yokohama!
1 Mar, 2023
23 Dec, 2022
21 Dec, 2022
16 Dec, 2022
30 Oct, 2022
17 - 20 Jul, 2025
18 - 20 Jul, 2025
19 - 20 Jul, 2025
2 - 3 Aug, 2025
14 - 17 Aug, 2025
3 Jul, 2023
29 Jun, 2023
25 Jun, 2023
24 Jun, 2023
6 Jun, 2023
30 May, 2023
29 May, 2023
28 May, 2023
28 Jan, 2025
25 Dec, 2024
3 Dec, 2024
3 Nov, 2024
2025 JTU MembershipClick here for Registration
(2025 JTU Membership Registration is necessary for making entries to JTU events)
15 Jul, 2025 Updated
Manami Hayashi1625.49 pt
Yuko Takahashi1377.85 pt
TAKENAKA KANAE1193.52 pt
Aoba Yasumatsu1644.25 pt
Kenji Nener1552.46 pt
Takumi Hojo1452.69 pt