Kazuhito (中島一人) Nakajima
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7
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
2
Countries visited ?
Italy
Japan
21,3%
Rank quotient ?This runner's calculation uses 7 eligible race(s): Σ(rank − 1) = 737; Σ finishers = 3 456. 737 / 3 456 × 100 = 21.33%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed7
Km — ultra races605 km
Longest race100,0 km
17th Muraoka 100 km Ultra Marathon — 28/9/2014
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road85,8%
Trail14,2%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0
Records
HISTORY
7 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2014 | ||||
| 28.09 | 100km | 9:20:52 h | 10 | |
| 18.05 | 77km | 7:34:04 h | 13 | |
| 2013 | ||||
| 29.09 | 66km | 8:24:13 h | 86 | |
| 22.09 | 100km | 7:55:09 h | 8 | |
| 19.05 | 76km | 6:48:54 h | 5 | |
| 2012 | ||||
| 30.09 | 100km | 8:28:52 h | 3 🥉 | |
| 2006 | ||||
| 25.08 | 86km | 21:06:59 h | 619 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 28/9/2014 | 17th Muraoka 100 km Ultra Marathon | 100,00 | ×4 |
| ✓ 2 | 22/9/2013 | 23. Akita Nairiku 100km Marathon | 100,00 | ×4 |
| ✓ 3 | 30/9/2012 | 15th Muraoka 100 km Ultra Marathon | 100,00 | ×4 |
| ✓ 4 | 25/8/2006 | 1ère Courmayeur-Champex-Chamonix (CCC) | 86,00 | ×3 |
| ✓ 5 | 18/5/2014 | Saba Highway Ultramarathon | 77,00 | ×3 |
| ✓ 6 | 19/5/2013 | Saba Highway Ultramarathon | 76,00 | ×3 |
| ✓ 7 | 29/9/2013 | 16th Muraoka 66 km Ultra Marathon | 66,00 | ×2 |