Takuma (小川拓馬) Ogawa
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10
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
27
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
29,4%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 2 273; Σ finishers = 7 720. 2 273 / 7 720 × 100 = 29.44%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races921 km
> 100 km3
> 160 km2
Longest race167,0 km
11th Ultra-Trail Mt. Fuji (UTMF) — 24/4/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road7,8%
Trail92,2%
Records
HISTORY
10 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 24.04 | 167km | 40:02:12 h | 765 | |
| 2025 | ||||
| 02.11 | 100km | 19:45:32 h | 74 | |
| 21.06 | 58km | 8:24:52 h | 45 | |
| 25.04 | 167km | 41:03:57 h | 873 | |
| 2024 | ||||
| 08.12 | 70km | 8:53:25 h | 98 | |
| 14.04 | 51.4km | 6:28:19 h | 30 | |
| 2023 | ||||
| 10.12 | 70km | 9:06:00 h | 128 | |
| 17.09 | 110km | 17:39:10 h | 40 | |
| 2022 | ||||
| 03.09 | 55.2km | 8:39:22 h | 17 | |
| 2019 | ||||
| 19.05 | 72km | 9:36:32 h | 213 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 24/4/2026 | 11th Ultra-Trail Mt. Fuji (UTMF) | 167,00 | ×6 |
| ✓ 2 | 25/4/2025 | 10th Ultra-Trail Mt. Fuji (UTMF) | 167,00 | ×6 |
| ✓ 3 | 17/9/2023 | 15th Shinetsu Five Mountains Trail 110km | 110,00 | ×4 |
| ✓ 4 | 2/11/2025 | 5th OSJ Kami 100 | 100,00 | ×3 |
| ✓ 5 | 19/5/2019 | 24th Saba Highway Ultramarathon | 72,00 | ×2 |
| ✓ 6 | 8/12/2024 | 11th Izu Trail Journey | 70,00 | ×2 |
| ✓ 7 | 10/12/2023 | 10th Izu Trail Journey | 70,00 | ×2 |
| ✓ 8 | 21/6/2025 | 1st Kaga Spa by UTMB - Kaga Spa Trail Endurance 50 | 58,00 | ×2 |
| ✓ 9 | 3/9/2022 | 6th Kyoto Grand Traverse | 55,20 | ×2 |
| ✓ 10 | 14/4/2024 | 2nd AYABE Trailrun | 51,40 | ×1 |