Yasuhiko (中村靖彦) Nakamura
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12
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
29
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
43,0%
Rank quotient ?This runner's calculation uses 12 eligible race(s): Σ(rank − 1) = 1 932; Σ finishers = 4 490. 1 932 / 4 490 × 100 = 43.03%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed12
Km — ultra races1 108 km
> 100 km5
> 160 km2
Longest race168,0 km
22th Mt. Rocco Cannonball Run - 168 km Rainbow — 21/3/2020
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road25,3%
Trail74,7%
Records
HISTORY
12 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 02.11 | 74km | 11:27:11 h | 12 | |
| 2023 | ||||
| 04.06 | 57km | 11:47:35 h | 44 | |
| 2022 | ||||
| 24.09 | 107km | 33:37:08 h | 402 | |
| 22.04 | 167km | 38:10:10 h | 837 | |
| 2020 | ||||
| 21.03 | 168km | 27:56:00 h | 5 | |
| 2019 | ||||
| 22.06 | 80km | 14:49:01 h | 82 | |
| 23.03 | 112km | 15:46:00 h | 20 | |
| 2018 | ||||
| 27.05 | 51.9km | 9:01:25 h | 19 | |
| 24.03 | 112km | 16:10:00 h | 17 | |
| 2017 | ||||
| 13.05 | 50km | 8:34:00 h | 184 | |
| 26.03 | 56km | 6:20:00 h | 38 | |
| 2015 | ||||
| 18.10 | 73km | 12:54:12 h | 284 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 21/3/2020 | 22th Mt. Rocco Cannonball Run - 168 km Rainbow | 168,00 | ×5 |
| ✓ 2 | 22/4/2022 | 7th Ultra-Trail Mt. Fuji (UTMF) | 167,00 | ×5 |
| ✓ 3 | 23/3/2019 | 20th Mt. Rocco Cannonball Run - 112 km Power | 112,00 | ×3 |
| ✓ 4 | 24/3/2018 | 18th Mt. Rocco Cannonball Run - 112 km Power | 112,00 | ×3 |
| ✓ 5 | 24/9/2022 | 1st Hiroshima Wangan Trail Run | 107,00 | ×3 |
| ✓ 6 | 22/6/2019 | 5th OSJ Yamanaka Onsen Trail Run | 80,00 | ×2 |
| ✓ 7 | 2/11/2025 | 5th OSJ Kami 74 | 74,00 | ×2 |
| ✓ 8 | 18/10/2015 | 6th OSJ Hyonosen Mountains Trail Race | 73,00 | ×2 |
| ✓ 9 | 4/6/2023 | 5th Nagi Peaks Tough Trail Challenge | 57,00 | ×1 |
| ✓ 10 | 26/3/2017 | 16th Mt. Rocco Cannonball Run - 56 km Speed | 56,00 | ×1 |
| ✓ 11 | 27/5/2018 | 3rd Rokko 5 Peaks Trail Race | 51,90 | ×1 |
| ✓ 12 | 13/5/2017 | 3rd Mt. Hiei Int. 50 km Trail Run | 50,00 | ×1 |