Hiroyasu (小川浩保) Ogawa
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15
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
46,7%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 2 766; Σ finishers = 5 919. 2 766 / 5 919 × 100 = 46.73%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races1 075 km
> 100 km2
> 160 km1
Longest race167,0 km
7th Ultra-Trail Mt. Fuji (UTMF) — 22/4/2022
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
15 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 09.05 | 50km | 8:58:15 h | 124 | |
| 2025 | ||||
| 06.06 | 103km | 38:51:23 h | 14 | |
| 2024 | ||||
| 13.10 | 71.5km | 14:52:36 h | 499 | |
| 11.05 | 50km | 9:06:48 h | 158 | |
| 2023 | ||||
| 13.05 | 50km | 8:32:44 h | 115 | |
| 04.03 | 100km | 28:02:00 h | 37 | |
| 25.02 | 50km | 7:41:04 h | 7 | |
| 2022 | ||||
| 05.11 | 100km | 22:08:29 h | 82 | |
| 22.04 | 167km | 37:51:27 h | 791 | |
| 03.04 | 50km | 8:38:30 h | 18 | |
| 2021 | ||||
| 04.04 | 50km | 8:28:05 h | 10 | |
| 2020 | ||||
| 09.08 | 60km | 12:49:24 h | 23 | |
| 2019 | ||||
| 27.10 | 73km | 14:25:48 h | 184 | |
| 25.05 | 50km | 10:13:56 h | 210 | |
| 2018 | ||||
| 12.05 | 50km | 10:45:02 h | 509 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 22/4/2022 | 7th Ultra-Trail Mt. Fuji (UTMF) | 167,00 | ×5 |
| ✓ 2 | 6/6/2025 | 4th Tamba 100 Adventure Trail - 100km | 103,00 | ×3 |
| ✓ 3 | 4/3/2023 | 1st Minonokuni Yamajiro Trail 100 | 100,00 | ×3 |
| ✓ 4 | 5/11/2022 | 2nd OSJ Kami 100 | 100,00 | ×3 |
| ✓ 5 | 27/10/2019 | 10th OSJ Hyonosen Mountains Trail Race | 73,00 | ×2 |
| ✓ 6 | 13/10/2024 | 32th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 7 | 9/8/2020 | 1st Osaka Natsunojin Kurondo Rondo - 60 km | 60,00 | ×2 |
| ✓ 8 | 9/5/2026 | 12th Mt. Hiei Int. 50 km Trail Run | 50,00 | ×1 |
| ✓ 9 | 11/5/2024 | 10th Mt. Hiei Int. 50 km Trail Run | 50,00 | ×1 |
| ✓ 10 | 13/5/2023 | 9th Mt. Hiei Int. 50 km Trail Run | 50,00 | ×1 |
| ✓ 11 | 25/2/2023 | 3rd Yasu Ultrunrace 50 km | 50,00 | ×1 |
| ✓ 12 | 3/4/2022 | 2nd Yasu Ultrunrace 50 km | 50,00 | ×1 |
| ✓ 13 | 4/4/2021 | 1st Yasu Ultrunrace 50 km | 50,00 | ×1 |
| ✓ 14 | 25/5/2019 | 5th Mt. Hiei Int. 50 km Trail Run | 50,00 | ×1 |
| ✓ 15 | 12/5/2018 | 4th Mt. Hiei Int. 50 km Trail Run | 50,00 | ×1 |