Tomohiro (川崎智弘) Kawasaki
ID 708538
Born : 1968 Cat. M55 Ultrarunner since 2015 JPN
29
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
DUV-index+ ?Largest integer N such that the race distances provide at least N complete segments of N km in total. A single long race may therefore contribute several segments. See the DUV-Index tab for the detailed calculation. calculation details
1
Countries visited ?JPNJapan
27,3%
Rank quotient ?This runner's calculation uses 29 eligible race(s): Σ(rank − 1) = 3 759; Σ finishers = 13 748. 3 759 / 13 748 × 100 = 27.34%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed29
Km — ultra races2 858 km
> 100 km6
> 160 km1
> 200 km1
Longest race250,0 km
6th Tokyo Great Race 250km RE — 8/11/2025

Km per year (ultra races)

454
5 races
2022
463
5 races
2023
376
4 races
2024
615
4 races
2025
2026

Race types (share of distance)

Road89,9%
Trail10,1%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M2
🏅 Top 34
🏅 Top 3 M4
Longest winning streak1
Current streak0

Records

100 km9h54'42100 mi30h27'54

HISTORY

29 race(s)
DateRacePerf.Rk
2025
08.11 250km JPN6th Tokyo Great Race 250km RE 46:55:35 h27
11.10 135km JPN2nd Foot Journey Around the Izu Peninsula 135km 21:20:56 h2 🥈
07.06 159km JPN6th Nikko Sennin Concentric Highway Journey Run 30:27:54 h66
12.04 71km JPN20th Toda Saiko 70 km 6:48:00 h43
2024
16.11 130km JPN2nd Mito Kaido Journey run 21:12:08 h43
25.08 75km JPN11th Tsukuba Renjyo 70 km Road & Trail Run 11:35:57 h53
25.05 100km JPN8th Yokosuka Miura 100km Michikusa Ultra Marathon 12:40:49 h23
13.04 71km JPN19th Toda Saiko 70 km 6:52:47 h36
2023
03.11 128km JPN4th Tokyo Great Race 128km 18:10:44 h2 🥈
27.08 75km JPN10th Tsukuba Renjyo 70 km Road & Trail Run 12:43:43 h94
21.05 100km JPN11th Tokyo Shibamata 100 km 10:22:06 h112
16.04 100km JPN33th Fuji 4 Lakes 100 km Challenge 9:54:42 h84
25.03 60km JPN4th Tokyo Katsushika Ultra Marathon - 60km 5:12:36 h1 🏆
2022
11.12 70km JPN9th Izu Trail Journey 11:47:53 h740
15.10 150km JPN1st Yagurazawa Round Trip Pre-Tournament 24:58:22 h15
03.07 8h JPN28th 8-Hour Endurance Race Tokorozawa 73.500 km27
17.04 100km JPN32th Fuji 5 Lakes 100 km Challenge 10:11:01 h150
26.03 60km JPN3rd Tokyo Katsushika Ultra Marathon - 60km 5:02:40 h3 🥉
2021
05.12 100km JPN1st Tokyo Edogawa Ultra Marathon - 100 km 10:34:39 h44
25.04 100km JPN6th Tokyo Ultra Marathon - 100 km 10:43:14 h30
10.04 70km JPN16th Toda Saiko 70 km 6:19:04 h80
2019
19.05 100km JPN7th Tokyo Shibamata 100 km 11:22:04 h386
2017
04.06 100km JPN5th Tokyo Shibamata 100 km 11:08:37 h389
08.04 70km JPN12th Toda Saiko 70 km 6:24:38 h67
2016
16.12 70km JPNCoast to Coast 70k Trail Run 8:55:31 h111
05.06 100km JPN4th Tokyo Shibamata 100 km 11:28:07 h355
09.04 70km JPN11th Toda Saiko 70 km 7:28:11 h157
2015
06.06 100km JPN3rd Tokyo Shibamata 100 km 11:46:35 h472
11.04 70km JPN10th Toda Saiko 70 km 7:27:39 h176