Kouichi (山中幸一) Yamanaka
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Born : 1963
Cat. M60 Ultrarunner since 2006
11
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
Japan40,6%
Rank quotient ?This runner's calculation uses 11 eligible race(s): Σ(rank − 1) = 2 642; Σ finishers = 6 503. 2 642 / 6 503 × 100 = 40.63%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed11
Km — ultra races1 058 km
> 100 km2
Longest race140,0 km
25. Yamaguchi 100 Hagi-O-Kan Maranic 140 km — 3/5/2013
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
11 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2018 | ||||
| 21.10 | 100km | 24th River Shimanto 100km |
12:12:26 h | 564 |
| 2017 | ||||
| 15.10 | 100km | 23rd River Shimanto 100km |
12:28:52 h | 663 |
| 2015 | ||||
| 26.04 | 70km | 7th 70 km Ultra Maranic Osaka |
8:08:16 h | 55 |
| 2014 | ||||
| 27.04 | 70km | 6th 70 km Ultra Maranic Osaka |
8:35:15 h | 75 |
| 2013 | ||||
| 29.09 | 66km | 16th Muraoka 66 km Ultra Marathon |
8:36:00 h | 110 |
| 03.05 | 140km | 25. Yamaguchi 100 Hagi-O-Kan Maranic 140 km |
22:08:19 h | 119 |
| 2011 | ||||
| 30.04 | 112km | 21st Fuji 5 Lakes 112 km Challenge |
13:31:17 h | 226 |
| 2010 | ||||
| 26.09 | 100km | 13th Muraoka 100 km Ultra Marathon |
12:46:28 h | 95 |
| 2009 | ||||
| 20.09 | 100km | 9th Tango 100 km Ultramarathon |
12:16:29 h | 284 |
| 2008 | ||||
| 28.09 | 100km | 11th Muraoka 100 km Ultra Marathon |
12:23:07 h | 73 |
| 2006 | ||||
| 15.10 | 100km | 12th River Shimanto 100km |
11:53:42 h | 389 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 3/5/2013 | 25. Yamaguchi 100 Hagi-O-Kan Maranic 140 km | 140,00 | ×4 |
| ✓ 2 | 30/4/2011 | 21st Fuji 5 Lakes 112 km Challenge | 112,00 | ×3 |
| ✓ 3 | 21/10/2018 | 24th River Shimanto 100km | 100,00 | ×3 |
| ✓ 4 | 15/10/2017 | 23rd River Shimanto 100km | 100,00 | ×3 |
| ✓ 5 | 26/9/2010 | 13th Muraoka 100 km Ultra Marathon | 100,00 | ×3 |
| ✓ 6 | 20/9/2009 | 9th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 7 | 28/9/2008 | 11th Muraoka 100 km Ultra Marathon | 100,00 | ×3 |
| ✓ 8 | 15/10/2006 | 12th River Shimanto 100km | 100,00 | ×3 |
| ✓ 9 | 26/4/2015 | 7th 70 km Ultra Maranic Osaka | 70,00 | ×2 |
| ✓ 10 | 27/4/2014 | 6th 70 km Ultra Maranic Osaka | 70,00 | ×2 |
| ✓ 11 | 29/9/2013 | 16th Muraoka 66 km Ultra Marathon | 66,00 | ×2 |