Shinichi (中駄信一) Nakata
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8
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
11,1%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 935; Σ finishers = 8 450. 935 / 8 450 × 100 = 11.07%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races722 km
Longest race100,0 km
11th Tokyo Shibamata 100 km — 21/5/2023
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
8 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2024 | ||||
| 21.04 | 62km | 6:00:12 h | 44 | |
| 2023 | ||||
| 21.05 | 100km | 9:46:14 h | 78 | |
| 2022 | ||||
| 22.05 | 100km | 9:56:49 h | 102 | |
| 17.04 | 100km | 11:07:21 h | 256 | |
| 2019 | ||||
| 19.05 | 100km | 9:35:18 h | 82 | |
| 21.04 | 100km | 10:06:51 h | 166 | |
| 2018 | ||||
| 22.04 | 100km | 10:37:34 h | 185 | |
| 2017 | ||||
| 04.06 | 60km | 5:24:52 h | 30 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 21/5/2023 | 11th Tokyo Shibamata 100 km | 100,00 | ×4 |
| ✓ 2 | 22/5/2022 | 10th Tokyo Shibamata 100 km | 100,00 | ×4 |
| ✓ 3 | 17/4/2022 | 32th Fuji 5 Lakes 100 km Challenge | 100,00 | ×4 |
| ✓ 4 | 19/5/2019 | 7th Tokyo Shibamata 100 km | 100,00 | ×4 |
| ✓ 5 | 21/4/2019 | 29th Fuji 5 Lakes 100 km Challenge | 100,00 | ×4 |
| ✓ 6 | 22/4/2018 | 28th Fuji 5 Lakes 100 km Challenge | 100,00 | ×4 |
| ✓ 7 | 21/4/2024 | 34th Fuji 3 Lakes 62 km Challenge | 62,00 | ×2 |
| ✓ 8 | 4/6/2017 | 5th Tokyo Shibamata 60 km | 60,00 | ×2 |