Kunio (山田邦雄) Yamada
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9
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
19
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
27,3%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 814; Σ finishers = 2 985. 814 / 2 985 × 100 = 27.27%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed9
Km — ultra races470 km
Longest race60,0 km
16th River Shimanto 60km — 17/10/2010
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
9 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2018 | ||||
| 05.05 | 55km | 7:21:19 h | 33 | |
| 2017 | ||||
| 04.05 | 55km | 7:45:36 h | 40 | |
| 2015 | ||||
| 28.06 | 50km | 4:52:02 h | 39 | |
| 2014 | ||||
| 29.06 | 50km | 5:25:25 h | 62 | |
| 2013 | ||||
| 30.06 | 50km | 5:46:52 h | 108 | |
| 2012 | ||||
| 24.06 | 50km | 7:31:27 h | 356 | |
| 2011 | ||||
| 26.06 | 50km | 4:53:54 h | 45 | |
| 2010 | ||||
| 17.10 | 60km | 6:56:08 h | 91 | |
| 27.06 | 50km | 5:20:46 h | 49 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 17/10/2010 | 16th River Shimanto 60km | 60,00 | ×3 |
| ✓ 2 | 5/5/2018 | 12th Nagasaki Tachibana Gulf Coast Super Maranic 55 | 55,00 | ×2 |
| ✓ 3 | 4/5/2017 | 11th Nagasaki Tachibana Gulf Coast Super Maranic 55 | 55,00 | ×2 |
| ✓ 4 | 28/6/2015 | 30. Lake Saroma 50 km Ultramarathon | 50,00 | ×2 |
| ✓ 5 | 29/6/2014 | 29. Lake Saroma 50 km Ultramarathon | 50,00 | ×2 |
| ✓ 6 | 30/6/2013 | 28. Lake Saroma 50 km Ultramarathon | 50,00 | ×2 |
| ✓ 7 | 24/6/2012 | 27. Lake Saroma 50 km Ultramarathon | 50,00 | ×2 |
| ✓ 8 | 26/6/2011 | 26. Lake Saroma 50 km Ultramarathon | 50,00 | ×2 |
| ✓ 9 | 27/6/2010 | 25. Lake Saroma 50 km Ultramarathon | 50,00 | ×2 |