Tomokazu (渡辺友和) Watanabe
ID 683129
Born : 1977 Cat. M45 Ultrarunner since 2015 JPN
10
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
26
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
36,7%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 2 886; Σ finishers = 7 867. 2 886 / 7 867 × 100 = 36.68%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed10
Km — ultra races853 km
> 100 km1
Longest race118,0 km
32th Fuji 5 Lakes 118 km Challenge — 17/4/2022

Km per year (ultra races)

218
2 races
2022
100
1 race
2023
62
1 race
2024
80
1 race
2025
80
1 race
2026

Race types (share of distance)

Road100,0%

Records

100 km11h26'5450 mi9h28'25

HISTORY

10 race(s)
DateRacePerf.Rk
2026
19.04 80km JPN36th Fuji 4 Lakes 80 km Challenge 9:28:25 h57
2025
20.04 80km JPN35th Fuji 4 Lakes 80 km Challenge 10:22:52 h105
2024
21.04 62km JPN34th Fuji 3 Lakes 62 km Challenge 6:42:15 h109
2023
16.04 100km JPN33th Fuji 4 Lakes 100 km Challenge 12:25:11 h458
2022
22.05 100km JPN10th Tokyo Shibamata 100 km 11:26:54 h227
17.04 118km JPN32th Fuji 5 Lakes 118 km Challenge 14:39:34 h329
2019
21.04 71km JPN29th Fuji 5 Lakes 71 km Challenge 7:51:17 h86
2018
22.04 100km JPN28th Fuji 5 Lakes 100 km Challenge 13:20:04 h883
2016
24.04 71km JPN26th Fuji 5 Lakes 71 km Challenge 9:04:35 h312
2015
19.04 71km JPN25th Fuji 5 Lakes 71 km Challenge 9:12:42 h330