Takashi (飯田崇士) Iida
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Born : 1978
Cat. M45 Ultrarunner since 2013
5
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
21
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
Japan38,6%
Rank quotient ?This runner's calculation uses 5 eligible race(s): Σ(rank − 1) = 1 624; Σ finishers = 4 210. 1 624 / 4 210 × 100 = 38.57%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed5
Km — ultra races504 km
> 100 km4
Longest race112,7 km
17th Shinetsu Five Mountains Trail 110km — 14/9/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
5 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 06.06 | 100.8km | 6th Okushinano 100 |
19:50:33 h | 474 |
| 2025 | ||||
| 14.09 | 112.7km | 17th Shinetsu Five Mountains Trail 110km |
20:49:49 h | 164 |
| 2024 | ||||
| 14.07 | 109.2km | 16th OSJ Ontake 100km Ultra Trail |
15:59:25 h | 442 |
| 2023 | ||||
| 17.09 | 110km | 15th Shinetsu Five Mountains Trail 110km |
20:25:34 h | 117 |
| 2013 | ||||
| 13.10 | 71.5km | 21st Hasetsune Cup - Japan Mountain Endurance Race |
13:08:53 h | 432 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 14/9/2025 | 17th Shinetsu Five Mountains Trail 110km | 112,70 | ×5 |
| ✓ 2 | 17/9/2023 | 15th Shinetsu Five Mountains Trail 110km | 110,00 | ×5 |
| ✓ 3 | 14/7/2024 | 16th OSJ Ontake 100km Ultra Trail | 109,20 | ×5 |
| ✓ 4 | 6/6/2026 | 6th Okushinano 100 | 100,80 | ×4 |
| ✓ 5 | 13/10/2013 | 21st Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×3 |