Toru (生島徹) Ikushima
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6
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
20
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
59,7%
Rank quotient ?This runner's calculation uses 6 eligible race(s): Σ(rank − 1) = 1 787; Σ finishers = 2 994. 1 787 / 2 994 × 100 = 59.69%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed6
Km — ultra races459 km
Longest race100,0 km
15. Okukumano 100 km Ultramarathon — 28/4/2013
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road21,8%
Trail78,2%
Records
HISTORY
6 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2016 | ||||
| 16.07 | 65km | 11:59:06 h | 148 | |
| 2015 | ||||
| 18.10 | 73km | 13:16:33 h | 316 | |
| 2014 | ||||
| 19.10 | 73km | 13:09:06 h | 230 | |
| 20.09 | 66km | 15:13:14 h | 368 | |
| 2013 | ||||
| 28.04 | 100km | 11:46:10 h | 51 | |
| 2012 | ||||
| 19.05 | 82km | 22:20:10 h | 680 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 28/4/2013 | 15. Okukumano 100 km Ultramarathon | 100,00 | ×5 |
| ✓ 2 | 19/5/2012 | 1st Shizuoka to Yamanashi (STY) | 82,00 | ×4 |
| ✓ 3 | 18/10/2015 | 6th OSJ Hyonosen Mountains Trail Race | 73,00 | ×3 |
| ✓ 4 | 19/10/2014 | 5th OSJ Hyonosen Mountains Trail Race | 73,00 | ×3 |
| ✓ 5 | 20/9/2014 | 1st SkyView Ultra-Trail 60 - Yamada Noboru Memorial Cup | 66,00 | ×3 |
| ✓ 6 | 16/7/2016 | 7th Nozawa Onsen 4100D Mountain Trail | 65,00 | ×3 |