Yasuharu (横井靖治) Yokoi
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Ultrarunner since 2014
2
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
13
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
Japan70,4%
Rank quotient ?This runner's calculation uses 2 eligible race(s): Σ(rank − 1) = 1 226; Σ finishers = 1 742. 1 226 / 1 742 × 100 = 70.38%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed2
Km — ultra races185 km
> 100 km1
Longest race125,0 km
7th Fujisan Issyu Walking — 10/6/2023
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road32,4%
Ult.Walk67,6%
Records
No record for a classic ultra format
HISTORY
2 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2023 | ||||
| 10.06 | 125km | 7th Fujisan Issyu Walking |
30:17:58 h | 189 |
| 2014 | ||||
| 22.11 | 60km | 1st Kiso-Sansen 60 km Ultra-Marathon |
7:28:52 h | 1039 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 10/6/2023 | 7th Fujisan Issyu Walking | 125,00 | ×9 |
| ✓ 2 | 22/11/2014 | 1st Kiso-Sansen 60 km Ultra-Marathon | 60,00 | ×4 |