Akari (大島あかり) Oshima
ID 953744
Born : 1975 Cat. W50 Ultrarunner since 2017 JPN
8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
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
20,2%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 2 019; Σ finishers = 9 980. 2 019 / 9 980 × 100 = 20.23%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed8
Km — ultra races768 km
> 100 km1
Longest race118,0 km
33th Fuji 5 Lakes 118 km Challenge — 16/4/2023

Km per year (ultra races)

2022
190
2 races
2023
100
1 race
2024
100
1 race
2025
2026

Race types (share of distance)

Road90,7%
Trail9,3%

Records

100 km9h46'48

HISTORY

8 race(s)
DateRacePerf.Rk
2025
18.05 100km JPN31th Yatsugatake Nobeyama 100 km 11:04:12 h143
2024
21.04 100km JPN34th Fuji 4 Lakes 100 km Challenge 9:46:48 h88
2023
08.10 71.5km JPN31th Hasetsune Cup - Japan Mountain Endurance Race 16:50:38 h789
16.04 118km JPN33th Fuji 5 Lakes 118 km Challenge 13:04:00 h100
2019
02.06 78km JPN26. Ultramarathon Okumusashi 7:48:28 h184
21.04 100km JPN29th Fuji 5 Lakes 100 km Challenge 10:10:49 h173
2018
22.04 100km JPN28th Fuji 5 Lakes 100 km Challenge 10:34:37 h179
2017
23.04 100km JPN27th Fuji 5 Lakes 100 km Challenge 11:28:08 h371