Nobuyuki (中平伸幸) Nakahira
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Born : 1963
Cat. M60 Ultrarunner since 1999
13
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
31
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
Japan3,5%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 434; Σ finishers = 12 334. 434 / 12 334 × 100 = 3.52%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races1 140 km
Longest race100,0 km
24th River Shimanto 100km — 21/10/2018
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
13 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 19.10 | 60km | 31th River Shimanto 60km |
5:24:04 h | 28 |
| 2024 | ||||
| 20.10 | 60km | 30th River Shimanto 60km |
5:31:21 h | 27 |
| 2023 | ||||
| 15.10 | 60km | 29th River Shimanto 60km |
5:13:57 h | 19 |
| 2018 | ||||
| 21.10 | 100km | 24th River Shimanto 100km |
9:43:11 h | 109 |
| 2016 | ||||
| 16.10 | 100km | 22nd River Shimanto 100km |
8:50:15 h | 49 |
| 2015 | ||||
| 18.10 | 100km | 21st River Shimanto 100km |
8:47:11 h | 30 |
| 2014 | ||||
| 19.10 | 100km | 20th River Shimanto 100km |
8:55:15 h | 41 |
| 2013 | ||||
| 20.10 | 100km | 19th River Shimanto 100km |
8:40:10 h | 31 |
| 2012 | ||||
| 21.10 | 100km | 18th River Shimanto 100km |
9:16:39 h | 48 |
| 2010 | ||||
| 17.10 | 100km | 16th River Shimanto 100km |
8:37:39 h | 28 |
| 2009 | ||||
| 18.10 | 100km | 15th River Shimanto 100km |
8:30:10 h | 18 |
| 2008 | ||||
| 19.10 | 100km | 14th River Shimanto 100km |
8:22:09 h | 13 |
| 1999 | ||||
| 17.10 | 60km | 6th River Shimanto 60km |
4:21:50 h | 6 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 21/10/2018 | 24th River Shimanto 100km | 100,00 | ×3 |
| ✓ 2 | 16/10/2016 | 22nd River Shimanto 100km | 100,00 | ×3 |
| ✓ 3 | 18/10/2015 | 21st River Shimanto 100km | 100,00 | ×3 |
| ✓ 4 | 19/10/2014 | 20th River Shimanto 100km | 100,00 | ×3 |
| ✓ 5 | 20/10/2013 | 19th River Shimanto 100km | 100,00 | ×3 |
| ✓ 6 | 21/10/2012 | 18th River Shimanto 100km | 100,00 | ×3 |
| ✓ 7 | 17/10/2010 | 16th River Shimanto 100km | 100,00 | ×3 |
| ✓ 8 | 18/10/2009 | 15th River Shimanto 100km | 100,00 | ×3 |
| ✓ 9 | 19/10/2008 | 14th River Shimanto 100km | 100,00 | ×3 |
| ✓ 10 | 19/10/2025 | 31th River Shimanto 60km | 60,00 | ×1 |
| ✓ 11 | 20/10/2024 | 30th River Shimanto 60km | 60,00 | ×1 |
| ✓ 12 | 15/10/2023 | 29th River Shimanto 60km | 60,00 | ×1 |
| ✓ 13 | 17/10/1999 | 6th River Shimanto 60km | 60,00 | ×1 |