Hiroshi (小笠原宏) Ogasawara
Born : 1964 Cat. M60 Ultrarunner since 2012 JPN
25
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
42
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
3
Countries visited ?FRAFranceJPNJapanSUISwitzerland
50,9%
Rank quotient ?This runner's calculation uses 25 eligible race(s): Σ(rank − 1) = 15 116; Σ finishers = 29 672. 15 116 / 29 672 × 100 = 50.94%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed25
Km — ultra races2 326 km
> 100 km4
> 160 km2
Longest race168,0 km

Km per year (ultra races)

172
2 races
2022
100
1 race
2023
122
2 races
2024
100
1 race
2025
100
1 race
2026

Race types (share of distance)

Road38,7%
Trail61,3%

HISTORY

25 race(s)
DateRacePerf.Rk
2026
17.05 100km JPN32th Yatsugatake Nobeyama 100 km 13:58:25 h1312
2025
18.05 100km JPN31th Yatsugatake Nobeyama 100 km 13:51:30 h1068
2024
13.10 71.5km JPN32th Hasetsune Cup - Japan Mountain Endurance Race 14:54:08 h503
08.09 50km JPN13th Hakuba Int. Trail Run 8:22:08 h157
2023
21.05 100km JPN29th Yatsugatake Nobeyama 100 km 12:54:26 h310
2022
09.10 71.5km JPN30th Hasetsune Cup - Japan Mountain Endurance Race 14:41:51 h357
22.05 100km JPN28th Yatsugatake Nobeyama 100 km 13:55:57 h974
2019
19.05 100km JPN25th Yatsugatake Nobeyama 100 km 12:11:12 h453
2018
07.10 71.5km JPN26th Hasetsune Cup - Japan Mountain Endurance Race 13:28:53 h205
2017
10.12 71.7km JPN4th Izu Trail Journey 10:58:20 h320
23.09 75km JPN4th SkyView Ultra-Trail 60 - Yamada Noboru Memorial Cup 13:56:17 h30
04.06 100km JPN5th Tokyo Shibamata 100 km 9:36:23 h123
21.05 100km JPN23rd Yatsugatake Nobeyama 100 km 13:12:42 h599
2016
16.07 51km SUI4. Eiger Ultra Trail 51 km - Paarwertung 12:53:34 h111
05.06 100km JPN4th Tokyo Shibamata 100 km 12:15:17 h560
2015
31.10 71.5km JPN23rd Hasetsune Cup - Japan Mountain Endurance Race 13:46:52 h643
06.06 100km JPN3rd Tokyo Shibamata 100 km 9:56:36 h141
2014
29.08 168km FRA12ème Ultra Trail Tour du Mont Blanc 44:37:02 h1288
25.04 100mi JPN3rd Ultra-Trail Mt. Fuji 45:50:54 h845
2013
13.10 71.5km JPN21st Hasetsune Cup - Japan Mountain Endurance Race 17:05:31 h1149
15.09 110km JPN5th Shinetsu Five Mountains Trail 110km 19:29:08 h259
19.05 100km JPN19th Yatsugatake Nobeyama 100 km 12:55:51 h576
10.03 72km JPN1st Izu Trail Journey 11:13:34 h449
2012
16.09 110km JPN4th Shinetsu Five Mountains Trail 110km 21:32:17 h338
24.06 100km road race JPN27. Lake Saroma 100 km Ultramarathon 12:58:16 h2371