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!
8 Apr, 2017
3 Apr, 2017
28 Mar, 2017
14 - 17 Aug, 2025
30-31 August 2025
entry
30 - 31 Aug, 2025
5 - 6 Sep, 2025
9 Nov, 2020
8 Nov, 2020
7 Nov, 2020
5 Nov, 2020
23 Oct, 2020
18 Oct, 2020
17 Oct, 2020
13 Oct, 2020
12 Oct, 2020
11 Oct, 2020
9 Oct, 2020
8 Oct, 2020
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)
5 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