Kamenori (松下亀憲) Matsushita
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15
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
34
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
45,8%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 1 100; Σ finishers = 2 402. 1 100 / 2 402 × 100 = 45.80%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races1 509 km
> 100 km6
Longest race125,0 km
5th Fujisan Issyu Walking — 12/6/2021
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road26,4%
Trail18,0%
Ult.Walk55,6%
Records
HISTORY
15 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 12/6/2021 | 5th Fujisan Issyu Walking | 125,00 | ×3 |
| ✓ 2 | 26/11/2022 | 1st Kyoto Ultra Walking 110km | 110,00 | ×3 |
| ✓ 3 | 3/8/2024 | 1st Shinshu Nakasendo 12 Stations Ultra Race | 105,00 | ×3 |
| ✓ 4 | 13/7/2024 | 4th Nihondaira and Suruganokuni Ultra Run | 105,00 | ×3 |
| ✓ 5 | 23/2/2024 | 1st Osaka Ultra Walking | 104,00 | ×3 |
| ✓ 6 | 4/5/2024 | 3rd Kobe Akashi Ultra Marathon | 102,00 | ×3 |
| ✓ 7 | 13/12/2025 | 3rd Okinawa Churaumi Ultra Walking | 100,00 | ×2 |
| ✓ 8 | 2/11/2024 | 2nd Owari Mikawa Ultra Walking | 100,00 | ×2 |
| ✓ 9 | 29/6/2024 | 6th Hakone Kodo Ultra Walking | 100,00 | ×2 |
| ✓ 10 | 13/1/2024 | 1st Nara Mahoroba Ultra Walking | 100,00 | ×2 |
| ✓ 11 | 16/9/2023 | 9th Nishi Seto Expressway Ultra Run | 100,00 | ×2 |
| ✓ 12 | 23/4/2022 | 4th Hakone Kodo Ultra Walking | 100,00 | ×2 |
| ✓ 13 | 17/10/2020 | 3rd Nakasendo to Kisoji Ultra Run | 100,00 | ×2 |
| ✓ 14 | 25/2/2023 | 3rd Nihondaira and Suruganokuni Ultra Run | 93,00 | ×2 |
| ✓ 15 | 28/6/2025 | 1st Lavender Road that runs through Asahikawa Biei and Furano | 65,00 | ×1 |