Hajime (片岡肇) Kataoka
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Born : 1981
Cat. M45 Ultrarunner since 2019
8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
23
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
Japan46,4%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 3 083; Σ finishers = 6 642. 3 083 / 6 642 × 100 = 46.42%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races616 km
> 100 km2
Longest race110,0 km
15th Shinetsu Five Mountains Trail 110km — 17/9/2023
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road16,2%
Trail83,8%
Records
HISTORY
8 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2023 | ||||
| 17.09 | 110km | 15th Shinetsu Five Mountains Trail 110km |
21:18:41 h | 176 |
| 10.06 | 100.8km | 3rd Okushinano 100 |
18:39:44 h | 347 |
| 2022 | ||||
| 11.12 | 70km | 9th Izu Trail Journey |
10:50:42 h | 501 |
| 02.07 | 50km | 12th Utsukushigahara 50 km Trail Run |
9:04:47 h | 91 |
| 2020 | ||||
| 13.12 | 66km | 7th Izu Trail Journey |
10:07:59 h | 409 |
| 2019 | ||||
| 08.12 | 71.7km | 6th Izu Trail Journey |
10:23:08 h | 504 |
| 13.10 | 47km | 13th Madarao Forest Trails 50km |
6:44:24 h | 132 |
| 19.05 | 100km | 7th Tokyo Shibamata 100 km |
13:01:52 h | 931 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 17/9/2023 | 15th Shinetsu Five Mountains Trail 110km | 110,00 | ×4 |
| ✓ 2 | 10/6/2023 | 3rd Okushinano 100 | 100,80 | ×4 |
| ✓ 3 | 19/5/2019 | 7th Tokyo Shibamata 100 km | 100,00 | ×4 |
| ✓ 4 | 8/12/2019 | 6th Izu Trail Journey | 71,70 | ×3 |
| ✓ 5 | 11/12/2022 | 9th Izu Trail Journey | 70,00 | ×3 |
| ✓ 6 | 13/12/2020 | 7th Izu Trail Journey | 66,00 | ×2 |
| ✓ 7 | 2/7/2022 | 12th Utsukushigahara 50 km Trail Run | 50,00 | ×2 |
| ✓ 8 | 13/10/2019 | 13th Madarao Forest Trails 50km | 47,00 | ×2 |