Takuro (大島拓郎) Oshima
ID 309533
Born : 1976 Cat. M50 Ultrarunner since 2012 JPN
11
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
33
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
2
Countries visited ?FRAFranceJPNJapan
3,1%
Rank quotient ?This runner's calculation uses 11 eligible race(s): Σ(rank − 1) = 339; Σ finishers = 10 823. 339 / 10 823 × 100 = 3.13%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed11
Km — ultra races1 266 km
> 100 km5
> 160 km3
Longest race170,0 km
13ème Ultra Trail Tour du Mont Blanc (UTMB) — 28/8/2015

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road15,8%
Trail84,2%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 32
🏅 Top 3 M2
Longest winning streak1
Current streak1

Records

100 km7h38'19100 mi27h33'35

HISTORY

11 race(s)
DateRacePerf.Rk
2021
03.10 100km JPN8th Naeba-Sanroku Geopark Tsunan Ultramarathon 100K 7:38:19 h1 🏆
2017
16.09 102km JPN9th Shinetsu Five Mountains Trail 100 mile 11:52:48 h6
2015
28.08 170km FRA13ème Ultra Trail Tour du Mont Blanc 28:07:57 h53
2014
12.10 100km JPN10th Echigo Kubikino 100km Ultramarathon 8:22:47 h18
29.08 168km FRA12ème Ultra Trail Tour du Mont Blanc 32:24:50 h171
25.04 100mi JPN3rd Ultra-Trail Mt. Fuji 27:33:35 h41
2013
15.09 110km JPN5th Shinetsu Five Mountains Trail 110km 11:44:39 h6
13.07 100km JPN6th OSJ Ontake 100km Ultra Trail 9:27:12 h4
26.04 84km JPN2nd Shizuoka to Yamanashi 10:39:09 h3 🥉
2012
07.10 71.5km JPN20th Hasetsune Cup - Japan Mountain Endurance Race 8:49:12 h22
20.05 100km JPN18th Yatsugatake Nobeyama 100 km 9:38:16 h25