Shunichi (角谷俊一) Sumiya
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9
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
33
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
21,4%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 1 122; Σ finishers = 5 249. 1 122 / 5 249 × 100 = 21.38%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed9
Km — ultra races1 293 km
> 100 km8
> 160 km6
Longest race169,0 km
2nd Lake Biwa 100 — 7/10/2022
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
9 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 13.09 | 162.2km | 28:57:05 h | 84 | |
| 2023 | ||||
| 16.09 | 162.6km | 28:04:02 h | 55 | |
| 16.07 | 109.2km | 14:42:42 h | 124 | |
| 2022 | ||||
| 07.10 | 169km | 42:32:47 h | 67 | |
| 22.04 | 167km | 30:55:15 h | 313 | |
| 2019 | ||||
| 14.09 | 100mi | 27:40:16 h | 82 | |
| 2018 | ||||
| 22.09 | 129km | 28:06:38 h | 145 | |
| 2017 | ||||
| 07.10 | 100mi | 32:26:49 h | 63 | |
| 2016 | ||||
| 11.12 | 71.7km | 10:22:37 h | 198 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 7/10/2022 | 2nd Lake Biwa 100 | 169,00 | ×5 |
| ✓ 2 | 22/4/2022 | 7th Ultra-Trail Mt. Fuji (UTMF) | 167,00 | ×5 |
| ✓ 3 | 16/9/2023 | 15th Shinetsu Five Mountains Trail 100 mile | 162,60 | ×4 |
| ✓ 4 | 13/9/2025 | 17th Shinetsu Five Mountains Trail 100 mile | 162,20 | ×4 |
| ✓ 5 | 14/9/2019 | 11th Shinetsu Five Mountains Trail 100 mile | 160,93 | ×4 |
| ✓ 6 | 7/10/2017 | 4th OSJ Koumi 100 | 160,93 | ×4 |
| ✓ 7 | 22/9/2018 | 5th SkyView Ultra-Trail 120 - Yamada Noboru Memorial Cup | 129,00 | ×3 |
| ✓ 8 | 16/7/2023 | 15th OSJ Ontake 100km Ultra Trail | 109,20 | ×3 |
| ✓ 9 | 11/12/2016 | 3rd Izu Trail Journey | 71,70 | ×2 |