Jiro (小川明孝) Ogawa
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12
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
28
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
53,9%
Rank quotient ?This runner's calculation uses 12 eligible race(s): Σ(rank − 1) = 3 371; Σ finishers = 6 255. 3 371 / 6 255 × 100 = 53.89%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed12
Km — ultra races916 km
> 100 km1
> 160 km1
Longest race170,0 km
5th Ultra-Trail Mt. Fuji (UTMF) — 27/4/2018
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road17,5%
Trail82,5%
Records
HISTORY
12 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2019 | ||||
| 01.06 | 59km | 13:50:54 h | 310 | |
| 2018 | ||||
| 27.04 | 170km | 42:21:28 h | 576 | |
| 2017 | ||||
| 27.08 | 70km | 11:02:17 h | 92 | |
| 15.07 | 65km | 11:36:26 h | 117 | |
| 27.05 | 50km | 12:37:50 h | 219 | |
| 2016 | ||||
| 11.12 | 71.7km | 12:52:42 h | 804 | |
| 28.08 | 70km | 10:10:41 h | 118 | |
| 16.07 | 65km | 12:10:21 h | 159 | |
| 2015 | ||||
| 30.08 | 70km | 10:24:10 h | 155 | |
| 19.07 | 65km | 12:33:53 h | 168 | |
| 2014 | ||||
| 01.06 | 100km | 13:12:53 h | 339 | |
| 2013 | ||||
| 01.06 | 60km | 7:13:27 h | 326 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 27/4/2018 | 5th Ultra-Trail Mt. Fuji (UTMF) | 170,00 | ×6 |
| ✓ 2 | 1/6/2014 | 2nd Tokyo Shibamata 100 km | 100,00 | ×3 |
| ✓ 3 | 11/12/2016 | 3rd Izu Trail Journey | 71,70 | ×2 |
| ✓ 4 | 27/8/2017 | 4th Tsukuba Renjyo 70 km Road & Trail Run | 70,00 | ×2 |
| ✓ 5 | 28/8/2016 | 3rd Tsukuba Renjyo 70 km Road & Trail Run | 70,00 | ×2 |
| ✓ 6 | 30/8/2015 | 2nd Tsukuba Renjyo 70 km Road & Trail Run | 70,00 | ×2 |
| ✓ 7 | 15/7/2017 | 8th Nozawa Onsen 4100D Mountain Trail | 65,00 | ×2 |
| ✓ 8 | 16/7/2016 | 7th Nozawa Onsen 4100D Mountain Trail | 65,00 | ×2 |
| ✓ 9 | 19/7/2015 | 6th Nozawa Onsen 4100D Mountain Trail | 65,00 | ×2 |
| ✓ 10 | 1/6/2013 | 1st Tokyo Shibamata 60 km | 60,00 | ×2 |
| ✓ 11 | 1/6/2019 | 11th OSJ Okukuji Trail 60k | 59,00 | ×2 |
| ✓ 12 | 27/5/2017 | 9th OSJ Okukuji Trail 50k | 50,00 | ×1 |