Shinji (福島信治) Fukushima
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Ultrarunner since 2024
5
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
Japan58,6%
Rank quotient ?This runner's calculation uses 5 eligible race(s): Σ(rank − 1) = 505; Σ finishers = 862. 505 / 862 × 100 = 58.58%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed5
Km — ultra races482 km
> 100 km3
Longest race125,0 km
8th Fujisan Issyu Walking — 25/5/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road21,8%
Ult.Walk78,2%
Records
HISTORY
5 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 22.03 | 100km | 1st Tokyo Story Ultra Walking |
24:16:28 h | 128 |
| 2024 | ||||
| 21.12 | 50km | 1st One-day walking - Kanto Chiho |
9:49:36 h | 115 |
| 13.07 | 105km | 4th Nihondaira and Suruganokuni Ultra Run |
28:37:15 h | 72 |
| 25.05 | 125km | 8th Fujisan Issyu Walking |
26:15:17 h | 118 |
| 27.04 | 102km | 3rd Miura-Halbinsel-Tour Ultra Walking |
21:02:16 h | 77 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 25/5/2024 | 8th Fujisan Issyu Walking | 125,00 | ×6 |
| ✓ 2 | 13/7/2024 | 4th Nihondaira and Suruganokuni Ultra Run | 105,00 | ×5 |
| ✓ 3 | 27/4/2024 | 3rd Miura-Halbinsel-Tour Ultra Walking | 102,00 | ×5 |
| ✓ 4 | 22/3/2025 | 1st Tokyo Story Ultra Walking | 100,00 | ×5 |
| ✓ 5 | 21/12/2024 | 1st One-day walking - Kanto Chiho | 50,00 | ×2 |