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
21 - 23 Sep, 2025
20 - 21 Sep, 2025
21 Sep, 2025
26 Sep, 2025
28 Jul, 2023
27 Jul, 2023
26 Jul, 2023
23 Jul, 2023
15 Jul, 2023
13 Jul, 2023
11 Jul, 2023
9 Jul, 2023
8 Jul, 2023
3 Jul, 2023
29 Jun, 2023
25 Jun, 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)
9 Sep, 2025 Updated
Yuko Takahashi1939.60 pt
Manami Hayashi1937.69 pt
TAKENAKA KANAE1558.81 pt
Takumi Hojo2058.09 pt
Aoba Yasumatsu1617.71 pt
Kenji Nener1370.69 pt