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!
7 Jul, 2025
9 Jun, 2025
8 May, 2025
31 Mar, 2025
20 Dec, 2024
30 - 31 Aug, 2025
30-31 August 2025
5 - 6 Sep, 2025
6 Sep, 2025
27 Jul, 2025
13 Jul, 2025
6 Jul, 2025
29 Jun, 2025
7 Aug, 2025
19 Jul, 2025
26 Jun, 2025
16 May, 2025
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)
26 Aug, 2025 Updated
Manami Hayashi1625.49 pt
Yuko Takahashi1377.85 pt
TAKENAKA KANAE1193.52 pt
Aoba Yasumatsu1644.25 pt
Takumi Hojo1452.69 pt
Ren Sato1377.91 pt