Hidekazu (中西英一) Nakanishi
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13
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
29
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
34,9%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 1 681; Σ finishers = 4 820. 1 681 / 4 820 × 100 = 34.88%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races1 025 km
> 100 km2
Longest race129,0 km
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road9,8%
Trail90,2%
Records
HISTORY
13 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 22/9/2018 | 5th SkyView Ultra-Trail 120 - Yamada Noboru Memorial Cup | 129,00 | ×4 |
| ✓ 2 | 23/9/2017 | 4th SkyView Ultra-Trail 120 - Yamada Noboru Memorial Cup | 129,00 | ×4 |
| ✓ 3 | 15/10/2023 | 29th River Shimanto 100km | 100,00 | ×3 |
| ✓ 4 | 18/7/2015 | 8th OSJ Ontake 100km Ultra Trail | 100,00 | ×3 |
| ✓ 5 | 6/10/2019 | 5th Gasando Trail running race | 73,00 | ×2 |
| ✓ 6 | 18/10/2015 | 6th OSJ Hyonosen Mountains Trail Race | 73,00 | ×2 |
| ✓ 7 | 28/10/2018 | 3rd Ryoma Dappan Trail Race | 70,00 | ×2 |
| ✓ 8 | 24/7/2016 | 4th Kirishima Ebino-kougen Extreme Trail | 67,50 | ×2 |
| ✓ 9 | 28/5/2017 | 2nd Osorakan-Trail | 65,00 | ×2 |
| ✓ 10 | 24/7/2022 | 10th Kirishima Ebino-kougen Extreme Trail | 60,00 | ×2 |
| ✓ 11 | 5/6/2022 | 4th Nagi Peaks Tough Trail Challenge | 57,00 | ×1 |
| ✓ 12 | 27/5/2018 | 3rd Rokko 5 Peaks Trail Race | 51,90 | ×1 |
| ✓ 13 | 9/4/2023 | 5th Onigajo Peaks Trail | 50,00 | ×1 |