Kunio (浅野邦夫) Asano
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Ultrarunner since 2023
3
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
14
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
Japan26,8%
Rank quotient ?This runner's calculation uses 3 eligible race(s): Σ(rank − 1) = 257; Σ finishers = 958. 257 / 958 × 100 = 26.83%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed3
Km — ultra races220 km
Longest race80,0 km
36th Fuji 4 Lakes 80 km Challenge — 19/4/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
3 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 19.04 | 80km | 36th Fuji 4 Lakes 80 km Challenge |
10:31:02 h | 130 |
| 2025 | ||||
| 13.04 | 70km | 4th Atsumi Peninsula Ultra Nature Run - 70km |
9:48:21 h | 75 |
| 2023 | ||||
| 15.04 | 70km | 2nd Atsumi Peninsula Ultra Nature Run - 70km |
8:06:36 h | 55 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 19/4/2026 | 36th Fuji 4 Lakes 80 km Challenge | 80,00 | ×5 |
| ✓ 2 | 13/4/2025 | 4th Atsumi Peninsula Ultra Nature Run - 70km | 70,00 | ×5 |
| ✓ 3 | 15/4/2023 | 2nd Atsumi Peninsula Ultra Nature Run - 70km | 70,00 | ×5 |