Hiroki (奥村大樹) Okumura
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Ultrarunner since 2015
10
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
26
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
Japan73,7%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 5 588; Σ finishers = 7 586. 5 588 / 7 586 × 100 = 73.66%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races880 km
Longest race100,0 km
8th Hida Takayama 100 km Ultramarathon — 9/6/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
10 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2024 | ||||
| 19.05 | 68km | 30th Yatsugatake Nobeyama 68 km |
10:06:39 h | 246 |
| 2023 | ||||
| 16.04 | 62km | 33th Fuji 3 Lakes 62 km Challenge |
7:44:47 h | 225 |
| 2019 | ||||
| 09.06 | 100km | 8th Hida Takayama 100 km Ultramarathon |
13:51:26 h | 1780 |
| 11.05 | 50km | 1st Izu Oshima Geopark Ultra Marathon |
6:26:00 h | 45 |
| 2018 | ||||
| 16.09 | 100km | 18th Tango 100 km Ultramarathon |
13:50:29 h | 1003 |
| 20.05 | 100km | 24th Yatsugatake Nobeyama 100 km |
13:49:19 h | 1363 |
| 2017 | ||||
| 02.07 | 100km | 1st Nikko 100km Ultramarathon |
12:40:12 h | 492 |
| 26.03 | 100km | 13th Izu Oshima Ultra 100 km |
13:30:14 h | 122 |
| 2016 | ||||
| 27.03 | 100km | 12th Izu Oshima Ultra 100 km |
12:51:57 h | 136 |
| 2015 | ||||
| 28.03 | 100km | 11th Izu Oshima Ultra 100 km |
13:46:41 h | 186 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 9/6/2019 | 8th Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 2 | 16/9/2018 | 18th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 3 | 20/5/2018 | 24th Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 4 | 2/7/2017 | 1st Nikko 100km Ultramarathon | 100,00 | ×3 |
| ✓ 5 | 26/3/2017 | 13th Izu Oshima Ultra 100 km | 100,00 | ×3 |
| ✓ 6 | 27/3/2016 | 12th Izu Oshima Ultra 100 km | 100,00 | ×3 |
| ✓ 7 | 28/3/2015 | 11th Izu Oshima Ultra 100 km | 100,00 | ×3 |
| ✓ 8 | 19/5/2024 | 30th Yatsugatake Nobeyama 68 km | 68,00 | ×2 |
| ✓ 9 | 16/4/2023 | 33th Fuji 3 Lakes 62 km Challenge | 62,00 | ×2 |
| ✓ 10 | 11/5/2019 | 1st Izu Oshima Geopark Ultra Marathon | 50,00 | ×1 |