Hiroki (片岡広樹) Kataoka
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Born : 1990
Cat. M35 Ultrarunner since 2023
10
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
31
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
Japan33,4%
Rank quotient ?This runner's calculation uses 11 eligible race(s): Σ(rank − 1) = 1 036; Σ finishers = 3 103. 1 036 / 3 103 × 100 = 33.39%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed11
Km — ultra races1 152 km
> 100 km8
Longest race125,0 km
10th Fujisan Issyu Walking — 6/6/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road9,1%
Trail31,1%
Ult.Walk59,8%
Records
HISTORY
11 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 06.06 | 100.8km | 6th Okushinano 100 |
15:34:31 h | 119 |
| 06.06 | 125km | 10th Fujisan Issyu Walking |
19:36:58 h | 7 |
| 2025 | ||||
| 05.07 | 100km | 3rd Shiga Kogen 100 |
20:51:44 h | 100 |
| 07.06 | 125km | 9th Fujisan Issyu Walking |
26:07:47 h | 144 |
| 19.04 | 104km | 2nd Osaka Ultra Walking |
23:24:06 h | 60 |
| 2024 | ||||
| 02.11 | 100km | 2nd Owari Mikawa Ultra Walking |
22:22:46 h | 70 |
| 13.07 | 105km | 4th Nihondaira and Suruganokuni Ultra Run |
25:25:24 h | 52 |
| 06.07 | 55km | 2nd Shiga Kogen 55 |
8:41:58 h | 124 |
| 04.05 | 102km | 3rd Kobe Akashi Ultra Marathon |
21:39:49 h | 56 |
| 2023 | ||||
| 25.11 | 110km | 2nd Kyoto Ultra Walking 110km |
25:46:51 h | 97 |
| 10.06 | 125km | 7th Fujisan Issyu Walking |
31:22:15 h | 218 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 6/6/2026 | 10th Fujisan Issyu Walking | 125,00 | ×4 |
| ✓ 2 | 7/6/2025 | 9th Fujisan Issyu Walking | 125,00 | ×4 |
| ✓ 3 | 10/6/2023 | 7th Fujisan Issyu Walking | 125,00 | ×4 |
| ✓ 4 | 25/11/2023 | 2nd Kyoto Ultra Walking 110km | 110,00 | ×3 |
| ✓ 5 | 13/7/2024 | 4th Nihondaira and Suruganokuni Ultra Run | 105,00 | ×3 |
| ✓ 6 | 19/4/2025 | 2nd Osaka Ultra Walking | 104,00 | ×3 |
| ✓ 7 | 4/5/2024 | 3rd Kobe Akashi Ultra Marathon | 102,00 | ×3 |
| ✓ 8 | 5/7/2025 | 3rd Shiga Kogen 100 | 100,00 | ×3 |
| ✓ 9 | 2/11/2024 | 2nd Owari Mikawa Ultra Walking | 100,00 | ×3 |
| ✓ 10 | 6/7/2024 | 2nd Shiga Kogen 55 | 55,00 | ×1 |