Osamu (大島修) Oshima
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Born : 1972
Cat. M50 Ultrarunner since 2014
11
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 ?Japan
Japan30,8%
Rank quotient ?This runner's calculation uses 11 eligible race(s): Σ(rank − 1) = 998; Σ finishers = 3 240. 998 / 3 240 × 100 = 30.80%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed11
Km — ultra races889 km
> 100 km1
Longest race112,0 km
19th Mt. Rocco Cannonball Run - 112 km Power — 20/10/2018
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road49,4%
Trail50,6%
Records
HISTORY
11 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2023 | ||||
| 21.05 | 77km | 28th Saba Highway Ultramarathon |
10:37:02 h | 153 |
| 2021 | ||||
| 06.11 | 100km | 1st OSJ Kami 100 |
20:14:18 h | 105 |
| 2019 | ||||
| 13.07 | 100km | 12th OSJ Ontake 100km Ultra Trail |
13:01:08 h | 92 |
| 2018 | ||||
| 20.10 | 112km | 19th Mt. Rocco Cannonball Run - 112 km Power |
14:50:13 h | 6 |
| 27.05 | 51.9km | 3rd Rokko 5 Peaks Trail Race |
8:23:10 h | 9 |
| 2017 | ||||
| 29.10 | 75km | 3rd OSJ Yamanaka Onsen Trail Run |
14:21:46 h | 37 |
| 2015 | ||||
| 18.10 | 73km | 6th OSJ Hyonosen Mountains Trail Race |
11:13:06 h | 129 |
| 30.05 | 50km | 1st Mt. Hiei Int. 50 km Trail Run |
9:46:12 h | 237 |
| 26.04 | 100km | 17. Okukumano 100 km Ultramarathon |
12:47:34 h | 139 |
| 2014 | ||||
| 05.10 | 50km | 10th Ashiya Hama Shiokaze Ultra Marathon - 50 km |
4:47:44 h | 18 |
| 27.04 | 100km | 16. Okukumano 100 km Ultramarathon |
12:02:51 h | 84 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 20/10/2018 | 19th Mt. Rocco Cannonball Run - 112 km Power | 112,00 | ×4 |
| ✓ 2 | 6/11/2021 | 1st OSJ Kami 100 | 100,00 | ×4 |
| ✓ 3 | 13/7/2019 | 12th OSJ Ontake 100km Ultra Trail | 100,00 | ×4 |
| ✓ 4 | 26/4/2015 | 17. Okukumano 100 km Ultramarathon | 100,00 | ×4 |
| ✓ 5 | 27/4/2014 | 16. Okukumano 100 km Ultramarathon | 100,00 | ×4 |
| ✓ 6 | 21/5/2023 | 28th Saba Highway Ultramarathon | 77,00 | ×3 |
| ✓ 7 | 29/10/2017 | 3rd OSJ Yamanaka Onsen Trail Run | 75,00 | ×3 |
| ✓ 8 | 18/10/2015 | 6th OSJ Hyonosen Mountains Trail Race | 73,00 | ×2 |
| ✓ 9 | 27/5/2018 | 3rd Rokko 5 Peaks Trail Race | 51,90 | ×2 |
| ✓ 10 | 30/5/2015 | 1st Mt. Hiei Int. 50 km Trail Run | 50,00 | ×2 |
| ✓ 11 | 5/10/2014 | 10th Ashiya Hama Shiokaze Ultra Marathon - 50 km | 50,00 | ×2 |