Haruo (中原東郎) Nakahara
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Born : 1945
Cat. M80 Ultrarunner since 2001
15
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
26
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
Japan91,0%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 1 206; Σ finishers = 1 326. 1 206 / 1 326 × 100 = 90.95%. A win adds 0 to the numerator. Lower is better.
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
No record for a classic ultra format
HISTORY
15 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2014 | ||||
| 06.04 | 52km | 65. Tsurunuma 52 km |
8:55:57 h | 79 |
| 2012 | ||||
| 02.09 | 52km | 62. Tsurunuma 52 km |
9:41:09 h | 135 |
| 2010 | ||||
| 29.08 | 52km | 58. Tsurunuma 52 km |
7:40:49 h | 95 |
| 2009 | ||||
| 30.08 | 52km | 56. Tsurunuma 52 km |
7:34:35 h | 147 |
| 05.04 | 52km | 55. Tsurunuma 52 km |
7:59:52 h | 75 |
| 2008 | ||||
| 31.08 | 52km | 54. Tsurunuma 52 km |
7:35:56 h | 104 |
| 06.04 | 52km | 53. Tsurunuma 52 km |
6:47:19 h | 65 |
| 2007 | ||||
| 01.04 | 52km | 51. Tsurunuma 52 km |
6:45:37 h | 52 |
| 2006 | ||||
| 27.08 | 52km | 50. Tsurunuma 52 km |
7:13:54 h | 53 |
| 02.04 | 52km | 49. Tsurunuma 52 km |
6:43:53 h | 50 |
| 2005 | ||||
| 03.04 | 52km | 47. Tsurunuma 52 km |
7:41:22 h | 43 |
| 2004 | ||||
| 29.08 | 52km | 46. Tsurunuma 52 km |
7:11:16 h | 114 |
| 04.04 | 52km | 45. Tsurunuma 52 km |
6:13:02 h | 74 |
| 2002 | ||||
| 25.08 | 52km | 42. Tsurunuma 52 km |
7:32:09 h | 65 |
| 2001 | ||||
| 02.09 | 52km | 40. Tsurunuma 52 km |
6:58:12 h | 70 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 6/4/2014 | 65. Tsurunuma 52 km | 52,00 | ×2 |
| ✓ 2 | 2/9/2012 | 62. Tsurunuma 52 km | 52,00 | ×2 |
| ✓ 3 | 29/8/2010 | 58. Tsurunuma 52 km | 52,00 | ×2 |
| ✓ 4 | 30/8/2009 | 56. Tsurunuma 52 km | 52,00 | ×2 |
| ✓ 5 | 5/4/2009 | 55. Tsurunuma 52 km | 52,00 | ×2 |
| ✓ 6 | 31/8/2008 | 54. Tsurunuma 52 km | 52,00 | ×2 |
| ✓ 7 | 6/4/2008 | 53. Tsurunuma 52 km | 52,00 | ×2 |
| ✓ 8 | 1/4/2007 | 51. Tsurunuma 52 km | 52,00 | ×2 |
| ✓ 9 | 27/8/2006 | 50. Tsurunuma 52 km | 52,00 | ×2 |
| ✓ 10 | 2/4/2006 | 49. Tsurunuma 52 km | 52,00 | ×2 |
| ✓ 11 | 3/4/2005 | 47. Tsurunuma 52 km | 52,00 | ×2 |
| ✓ 12 | 29/8/2004 | 46. Tsurunuma 52 km | 52,00 | ×2 |
| ✓ 13 | 4/4/2004 | 45. Tsurunuma 52 km | 52,00 | ×2 |
| ✓ 14 | 25/8/2002 | 42. Tsurunuma 52 km | 52,00 | ×2 |
| ✓ 15 | 2/9/2001 | 40. Tsurunuma 52 km | 52,00 | ×2 |