Toshiyuki (福井利之) Fukui
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Born : 1969
Cat. M55 Ultrarunner since 2016
11
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
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
Japan28,1%
Rank quotient ?This runner's calculation uses 11 eligible race(s): Σ(rank − 1) = 1 487; Σ finishers = 5 300. 1 487 / 5 300 × 100 = 28.06%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed11
Km — ultra races865 km
> 100 km2
Longest race105,0 km
4th Nihondaira and Suruganokuni Ultra Run — 13/7/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road35,3%
Trail53,2%
Ult.Walk11,6%
Records
HISTORY
11 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 19.07 | 102km | 2nd Shinshu Nakasendo 12 Stations Ultra Race |
22:08:08 h | 49 |
| 2024 | ||||
| 13.07 | 105km | 4th Nihondaira and Suruganokuni Ultra Run |
20:31:50 h | 11 |
| 2023 | ||||
| 18.11 | 100km | 1st Owari Mikawa Ultra Walking |
18:53:25 h | 10 |
| 15.04 | 100km | 2nd Atsumi Peninsula Ultra Nature Run - 100km |
11:23:50 h | 52 |
| 2019 | ||||
| 03.11 | 48km | 3rd Ninja Trail Run |
7:19:30 h | 89 |
| 07.04 | 70km | 5th Okumikawa Power Trail |
12:41:33 h | 402 |
| 2018 | ||||
| 10.06 | 100km | 7th Hida Takayama 100 km Ultramarathon |
10:58:10 h | 243 |
| 12.05 | 50km | 4th Mt. Hiei Int. 50 km Trail Run |
7:59:53 h | 58 |
| 2017 | ||||
| 13.05 | 50km | 3rd Mt. Hiei Int. 50 km Trail Run |
8:16:15 h | 124 |
| 23.04 | 70km | 3rd Okumikawa Power Trail |
11:34:49 h | 178 |
| 2016 | ||||
| 24.04 | 70km | 2nd Okumikawa Power Trail |
11:46:59 h | 282 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 13/7/2024 | 4th Nihondaira and Suruganokuni Ultra Run | 105,00 | ×4 |
| ✓ 2 | 19/7/2025 | 2nd Shinshu Nakasendo 12 Stations Ultra Race | 102,00 | ×4 |
| ✓ 3 | 18/11/2023 | 1st Owari Mikawa Ultra Walking | 100,00 | ×4 |
| ✓ 4 | 15/4/2023 | 2nd Atsumi Peninsula Ultra Nature Run - 100km | 100,00 | ×4 |
| ✓ 5 | 10/6/2018 | 7th Hida Takayama 100 km Ultramarathon | 100,00 | ×4 |
| ✓ 6 | 7/4/2019 | 5th Okumikawa Power Trail | 70,00 | ×2 |
| ✓ 7 | 23/4/2017 | 3rd Okumikawa Power Trail | 70,00 | ×2 |
| ✓ 8 | 24/4/2016 | 2nd Okumikawa Power Trail | 70,00 | ×2 |
| ✓ 9 | 12/5/2018 | 4th Mt. Hiei Int. 50 km Trail Run | 50,00 | ×2 |
| ✓ 10 | 13/5/2017 | 3rd Mt. Hiei Int. 50 km Trail Run | 50,00 | ×2 |
| ✓ 11 | 3/11/2019 | 3rd Ninja Trail Run | 48,00 | ×1 |