Takuya (中島拓也) Nakajima
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Ultrarunner since 2010
7
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
Japan11,0%
Rank quotient ?This runner's calculation uses 7 eligible race(s): Σ(rank − 1) = 448; Σ finishers = 4 060. 448 / 4 060 × 100 = 11.03%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed7
Km — ultra races700 km
Longest race100,0 km
21st Ebisu-Daikoku 100 km Marathon — 25/5/2014
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
7 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2014 | ||||
| 25.05 | 100km | 21st Ebisu-Daikoku 100 km Marathon |
11:59:04 h | 112 |
| 2013 | ||||
| 20.10 | 100km | 19th River Shimanto 100km |
8:15:22 h | 15 |
| 26.05 | 100km | 20th Ebisu-Daikoku 100 km Marathon |
11:41:29 h | 111 |
| 2012 | ||||
| 27.05 | 100km | 19th Ebisu-Daikoku 100 km Marathon |
11:53:36 h | 112 |
| 2011 | ||||
| 16.10 | 100km | 17th River Shimanto 100km |
8:34:05 h | 21 |
| 29.05 | 100km | 18th Ebisu-Daikoku 100 km Marathon |
9:32:01 h | 37 |
| 2010 | ||||
| 19.09 | 100km | 10th Tango 100 km Ultramarathon |
9:37:03 h | 47 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 25/5/2014 | 21st Ebisu-Daikoku 100 km Marathon | 100,00 | ×4 |
| ✓ 2 | 20/10/2013 | 19th River Shimanto 100km | 100,00 | ×4 |
| ✓ 3 | 26/5/2013 | 20th Ebisu-Daikoku 100 km Marathon | 100,00 | ×4 |
| ✓ 4 | 27/5/2012 | 19th Ebisu-Daikoku 100 km Marathon | 100,00 | ×4 |
| ✓ 5 | 16/10/2011 | 17th River Shimanto 100km | 100,00 | ×4 |
| ✓ 6 | 29/5/2011 | 18th Ebisu-Daikoku 100 km Marathon | 100,00 | ×4 |
| ✓ 7 | 19/9/2010 | 10th Tango 100 km Ultramarathon | 100,00 | ×4 |