Hiroko (渡辺浩子) Watanabe
ID 224347
Born : 1960 Cat. W65 Ultrarunner since 2010 JPN
42
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
53,6%
Rank quotient ?This runner's calculation uses 42 eligible race(s): Σ(rank − 1) = 14 920; Σ finishers = 27 831. 14 920 / 27 831 × 100 = 53.61%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed42
Km — ultra races3 833 km
> 100 km1
Longest race140,0 km
25. Yamaguchi 100 Hagi-O-Kan Maranic 140 km — 3/5/2013

Km per year (ultra races)

328
4 races
2022
100
1 race
2023
363
4 races
2024
200
2 races
2025
2026

Race types (share of distance)

Road91,0%
Trail9,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F0
🏅 Top 30
🏅 Top 3 F1
Longest winning streak0
Current streak0

Records

100 km11h01'026 h59,90 km

HISTORY

42 race(s)
DateRacePerf.Rk
2025
14.12 100km JPN6th Tobishima Ultra Marathon 15:30:50 h322
15.06 100km JPN18. Okinoshima 100km Ultra Marathon 14:27:45 h283
2024
08.12 100km JPN5th Tobishima Ultra Marathon 14:54:29 h282
25.05 63km JPN8th Yokosuka Miura 63km Michikusa Ultra Marathon A 8:55:21 h96
16.03 100km JPN8th Minamiboso 100km 13:35:55 h83
04.02 100km JPN3rd Amami yori yori Run 15:33:39 h63
2023
22.01 100km JPN33th Miyako 100 km Ultramarathon 13:57:57 h194
2022
25.09 100km JPN30. Akita Nairiku 100km Marathon 12:56:00 h344
12.06 100km JPN16th Iwate Ginga 100km Marathon Challenge 12:56:52 h473
22.05 71km JPN28th Yatsugatake Nobeyama 71 km 9:16:38 h126
07.05 57km JPN2nd Kimitsu Ultra Marathon 6:32:38 h78
2021
08.05 57km JPN1st Kimitsu Ultra Marathon 6:41:43 h79
2020
19.01 100km JPN30th Miyako 100 km Ultramarathon 12:24:21 h181
2019
15.12 100km JPN4th Okinawa 100km Ultramarathon 12:52:17 h265
22.09 100km JPN29. Akita Nairiku 100km Marathon 12:17:13 h329
09.06 100km JPN15th Iwate Ginga 100km Marathon Challenge 12:20:34 h304
2018
03.06 100km JPN6th Tokyo Shibamata 100 km 13:13:21 h699
2017
21.10 100km JPN8th Inagawa 100km Ultra-Marathon 13:49:50 h78
24.09 100km JPN27. Akita Nairiku 100km Marathon 11:48:59 h193
02.07 100km JPN1st Nikko 100km Ultramarathon 13:30:44 h793
11.06 100km JPN6th Hida Takayama 100 km Ultramarathon 13:03:54 h969
05.03 100km JPN3rd Nagoura Marathon 100 km 12:40:49 h69
2016
09.10 100km JPN11th Echigo Kubikino 100km Ultramarathon 11:01:02 h302
12.06 100km JPN12th Iwate Ginga 100km Marathon Challenge 12:44:45 h506
22.05 100km JPN22nd Yatsugatake Nobeyama 100 km 13:38:47 h1044
24.04 100km JPN18. Okukumano 100 km Ultramarathon 11:36:27 h95
2015
20.09 100km JPN15th Tango 100 km Ultramarathon 11:29:22 h344
22.06 77km JPN22. Ultramarathon Okumusashi 8:56:14 h499
17.05 100km JPN21st Yatsugatake Nobeyama 100 km 13:36:05 h1038
11.01 100km JPN25th Miyako 100 km Ultramarathon 12:26:52 h255
2014
27.07 77km JPN21. Ultramarathon Okumusashi 9:41:48 h393
01.06 100km JPN2nd Tokyo Shibamata 100 km 12:51:18 h279
2013
07.12 6h JPNEnteRun 6 hour race Winter 59.900 km23
28.07 77km JPN20. Ultramarathon Okumusashi 9:44:16 h636
03.05 140km JPN25. Yamaguchi 100 Hagi-O-Kan Maranic 140 km 23:17:36 h215
2012
09.12 6h JPN1st Coedo Kawagoe 6 Hours Run 54.620 km15
19.08 100km JPN2nd North Okhotsk 100 km Marathon 11:26:35 h69
05.08 77km JPN19. Ultramarathon Okumusashi 10:06:49 h574
20.05 100km JPN18th Yatsugatake Nobeyama 100 km 13:54:53 h995
2011
16.10 100km JPN17th River Shimanto 100km 12:39:25 h556
07.08 77km JPN18. Ultramarathon Okumusashi 9:51:43 h583
2010
31.10 45km JPN2nd Shinshu-Togakushi Trail Run Race 7:42:25 h238