Junji (吉田純二) Yoshida
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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.
27
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
42,3%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 2 955; Σ finishers = 6 990. 2 955 / 6 990 × 100 = 42.27%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed9
Km — ultra races838 km
Longest race100,0 km
27th Yukihashi to Beppu 100 km — 11/10/2025
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 | |
|---|---|---|---|---|
| 2026 | ||||
| 14.06 | 84.39km | 10:58:44 h | 207 | |
| 2025 | ||||
| 11.10 | 100km | 20:18:32 h | 956 | |
| 05.10 | 100km | 12:55:22 h | 41 | |
| 08.06 | 84.39km | 9:58:59 h | 138 | |
| 2024 | ||||
| 06.10 | 100km | 13:31:05 h | 78 | |
| 09.06 | 84.39km | 10:23:49 h | 152 | |
| 2023 | ||||
| 07.10 | 100km | 22:11:27 h | 1215 | |
| 24.09 | 100km | 12:54:03 h | 53 | |
| 11.06 | 84.39km | 10:49:37 h | 124 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 11/10/2025 | 27th Yukihashi to Beppu 100 km | 100,00 | ×3 |
| ✓ 2 | 5/10/2025 | 6th Mine Akiyoshidai Geopark Ultra Marathon | 100,00 | ×3 |
| ✓ 3 | 6/10/2024 | 5th Mine Akiyoshidai Geopark Ultra Marathon | 100,00 | ×3 |
| ✓ 4 | 7/10/2023 | 25th Yukihashi to Beppu 100 km | 100,00 | ×3 |
| ✓ 5 | 24/9/2023 | 4th Mine Akiyoshidai Geopark Ultra Marathon | 100,00 | ×3 |
| ✓ 6 | 14/6/2026 | 10th JAL Mukatsuku Double Marathon | 84,39 | ×3 |
| ✓ 7 | 8/6/2025 | 9th JAL Mukatsuku Double Marathon | 84,39 | ×3 |
| ✓ 8 | 9/6/2024 | 8th JAL Mukatsuku Double Marathon | 84,39 | ×3 |
| ✓ 9 | 11/6/2023 | 7th JAL Mukatsuku Double Marathon | 84,39 | ×3 |