Yasuo (湯村靖夫) Yunomura
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11
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
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
76,1%
Rank quotient ?This runner's calculation uses 11 eligible race(s): Σ(rank − 1) = 3 653; Σ finishers = 4 799. 3 653 / 4 799 × 100 = 76.12%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed11
Km — ultra races790 km
Longest race100,0 km
41. Lake Saroma 100 km Ultramarathon — 28/6/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
HISTORY
11 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 28.06 | 100km | 12:57:16 h | 2548 | |
| 04.05 | 55km | 7:32:31 h | 29 | |
| 2025 | ||||
| 14.12 | 100km | 14:23:22 h | 212 | |
| 18.10 | 50km | 6:19:19 h | 85 | |
| 04.05 | 55km | 6:51:53 h | 19 | |
| 2024 | ||||
| 19.10 | 50km | 6:28:24 h | 98 | |
| 2023 | ||||
| 21.10 | 50km | 6:11:29 h | 104 | |
| 2022 | ||||
| 04.05 | 80km | 11:08:11 h | 59 | |
| 2019 | ||||
| 19.10 | 100km | 12:46:32 h | 146 | |
| 2018 | ||||
| 20.10 | 100km | 13:42:33 h | 282 | |
| 2017 | ||||
| 21.10 | 50km | 5:51:57 h | 82 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 28/6/2026 | 41. Lake Saroma 100 km Ultramarathon | 100,00 | ×4 |
| ✓ 2 | 14/12/2025 | 6th Tobishima Ultra Marathon | 100,00 | ×4 |
| ✓ 3 | 19/10/2019 | 4th Iki 100 km Ultra Marathon | 100,00 | ×4 |
| ✓ 4 | 20/10/2018 | 3rd Iki 100 km Ultra Marathon | 100,00 | ×4 |
| ✓ 5 | 4/5/2022 | 16th Nagasaki Tachibana Gulf Coast Super Maranic 80 | 80,00 | ×3 |
| ✓ 6 | 4/5/2026 | 20th Nagasaki Tachibana Gulf Coast Super Maranic 55 | 55,00 | ×2 |
| ✓ 7 | 4/5/2025 | 19th Nagasaki Tachibana Gulf Coast Super Maranic 55 | 55,00 | ×2 |
| ✓ 8 | 18/10/2025 | 8th Iki 50 km Ultra Marathon | 50,00 | ×2 |
| ✓ 9 | 19/10/2024 | 7th Iki 50 km Ultra Marathon | 50,00 | ×2 |
| ✓ 10 | 21/10/2023 | 6th Iki 50 km Ultra Marathon | 50,00 | ×2 |
| ✓ 11 | 21/10/2017 | 2nd Iki 50 km Ultra Marathon | 50,00 | ×2 |