Kenta (安成健太) Yasunari
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Ultrarunner since 2024
4
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
20
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
Japan29,5%
Rank quotient ?This runner's calculation uses 4 eligible race(s): Σ(rank − 1) = 262; Σ finishers = 887. 262 / 887 × 100 = 29.54%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed4
Km — ultra races414 km
> 100 km3
Longest race105,0 km
1st Lake Hamana and the Enshu Tokaido Ultra — 21/2/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road50,7%
Ult.Walk49,3%
Records
HISTORY
4 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 18.04 | 104km | 3rd Osaka Ultra Walking |
19:29:39 h | 16 |
| 21.02 | 105km | 1st Lake Hamana and the Enshu Tokaido Ultra |
21:09:30 h | 47 |
| 2024 | ||||
| 02.11 | 100km | 2nd Owari Mikawa Ultra Walking |
24:39:05 h | 133 |
| 13.07 | 105km | 4th Nihondaira and Suruganokuni Ultra Run |
27:36:15 h | 70 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 21/2/2026 | 1st Lake Hamana and the Enshu Tokaido Ultra | 105,00 | ×5 |
| ✓ 2 | 13/7/2024 | 4th Nihondaira and Suruganokuni Ultra Run | 105,00 | ×5 |
| ✓ 3 | 18/4/2026 | 3rd Osaka Ultra Walking | 104,00 | ×5 |
| ✓ 4 | 2/11/2024 | 2nd Owari Mikawa Ultra Walking | 100,00 | ×5 |