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
10 Aug, 2023
8 Aug, 2023
30 Jul, 2023
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
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)
16 Sep, 2025 Updated
Yuko Takahashi1939.60 pt
Manami Hayashi1937.69 pt
TAKENAKA KANAE1558.81 pt
Takumi Hojo2058.09 pt
Aoba Yasumatsu1636.73 pt
Kenji Nener1370.69 pt