Takashi (浅香崇) Asaka
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Ultrarunner since 2021
9
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
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
Japan64,0%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 1 717; Σ finishers = 2 684. 1 717 / 2 684 × 100 = 63.97%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races758 km
> 100 km1
Longest race130,0 km
3rd Mito Kaido Journey run — 1/11/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road82,8%
Stage17,2%
Records
HISTORY
9 race(s) · 2 stage(s) nested| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 21.12 | 100km | 8th Okinawa 100km Ultramarathon |
13:42:17 h | 511 |
| 01–02.11 | 130km/2stages | 3rd Mito Kaido Journey run |
20:43:32 h | 50 |
| 01.11 | 62.2km | 3rd Mito Kaido Journey run - Stage 1 | 10:31:42 h | 80 |
| 02.11 | 68.1km | 3rd Mito Kaido Journey run - Stage 2 | 10:11:50 h | 41 |
| 18.05 | 68km | 31th Yatsugatake Nobeyama 68 km |
9:18:46 h | 133 |
| 2024 | ||||
| 15.12 | 100km | 7th Okinawa 100km Ultramarathon |
12:53:39 h | 314 |
| 19.05 | 68km | 30th Yatsugatake Nobeyama 68 km |
9:14:59 h | 114 |
| 2023 | ||||
| 21.05 | 71km | 29th Yatsugatake Nobeyama 71 km |
9:46:39 h | 113 |
| 2022 | ||||
| 18.12 | 100km | 5th Okinawa 100km Ultramarathon |
13:16:29 h | 315 |
| 22.05 | 71km | 28th Yatsugatake Nobeyama 71 km |
9:25:59 h | 143 |
| 2021 | ||||
| 05.12 | 50km | 1st Tokyo Edogawa Ultra Marathon - 50 km |
5:45:05 h | 33 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 1/11/2025 | 3rd Mito Kaido Journey run | 130,00 | ×5 |
| ✓ 2 | 21/12/2025 | 8th Okinawa 100km Ultramarathon | 100,00 | ×4 |
| ✓ 3 | 15/12/2024 | 7th Okinawa 100km Ultramarathon | 100,00 | ×4 |
| ✓ 4 | 18/12/2022 | 5th Okinawa 100km Ultramarathon | 100,00 | ×4 |
| ✓ 5 | 21/5/2023 | 29th Yatsugatake Nobeyama 71 km | 71,00 | ×2 |
| ✓ 6 | 22/5/2022 | 28th Yatsugatake Nobeyama 71 km | 71,00 | ×2 |
| ✓ 7 | 18/5/2025 | 31th Yatsugatake Nobeyama 68 km | 68,00 | ×2 |
| ✓ 8 | 19/5/2024 | 30th Yatsugatake Nobeyama 68 km | 68,00 | ×2 |
| ✓ 9 | 5/12/2021 | 1st Tokyo Edogawa Ultra Marathon - 50 km | 50,00 | ×2 |