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!
12 Oct, 2016
10 Oct, 2016
7 Oct, 2016
30 - 31 Aug, 2025
30-31 August 2025
5 - 6 Sep, 2025
6 Sep, 2025
17 Nov, 2019
27 Oct, 2019
26 Oct, 2019
6 Oct, 2019
22 Sep, 2019
15 Sep, 2019
8 Sep, 2019
1 Sep, 2019
31 Aug, 2019
30 Aug, 2019
18 Aug, 2019
17 Aug, 2019
16 Aug, 2019
15 Aug, 2019
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