Shuhei (山口修平) Yamaguchi
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7
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
45,0%
Rank quotient ?This runner's calculation uses 7 eligible race(s): Σ(rank − 1) = 2 311; Σ finishers = 5 141. 2 311 / 5 141 × 100 = 44.95%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed7
Km — ultra races650 km
Longest race100,0 km
7th Okinawa 100km Ultramarathon — 15/12/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
7 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2024 | ||||
| 15.12 | 100km | 13:21:34 h | 381 | |
| 21.01 | 50km | 6:47:30 h | 100 | |
| 2019 | ||||
| 19.10 | 100km | 12:38:43 h | 130 | |
| 2018 | ||||
| 21.10 | 100km | 12:31:39 h | 658 | |
| 2005 | ||||
| 16.10 | 100km | 10:45:26 h | 198 | |
| 2001 | ||||
| 21.10 | 100km | 13:01:15 h | 605 | |
| 2000 | ||||
| 15.10 | 100km | 11:25:10 h | 246 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 15/12/2024 | 7th Okinawa 100km Ultramarathon | 100,00 | ×4 |
| ✓ 2 | 19/10/2019 | 4th Iki 100 km Ultra Marathon | 100,00 | ×4 |
| ✓ 3 | 21/10/2018 | 24th River Shimanto 100km | 100,00 | ×4 |
| ✓ 4 | 16/10/2005 | 11th River Shimanto 100km | 100,00 | ×4 |
| ✓ 5 | 21/10/2001 | 8th River Shimanto 100km | 100,00 | ×4 |
| ✓ 6 | 15/10/2000 | 7th River Shimanto 100km | 100,00 | ×4 |
| ✓ 7 | 21/1/2024 | 34th Miyako 50 km Ultramarathon | 50,00 | ×2 |