Takumi (山口拓海) Yamaguchi
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Ultrarunner since 2013
3
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
14
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
Japan2,5%
Rank quotient ?This runner's calculation uses 3 eligible race(s): Σ(rank − 1) = 67; Σ finishers = 2 688. 67 / 2 688 × 100 = 2.49%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed3
Km — ultra races242 km
Longest race100,0 km
19th River Shimanto 100km — 20/10/2013
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 32
🏅 Top 3 M2
Longest winning streak0
Current streak0
Records
HISTORY
3 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2018 | ||||
| 10.06 | 71km | 7th Hida Takayama 71 km Ultramarathon |
5:00:19 h | 2 🥈 |
| 2017 | ||||
| 11.06 | 71km | 6th Hida Takayama 71 km Ultramarathon |
5:08:14 h | 3 🥉 |
| 2013 | ||||
| 20.10 | 100km | 19th River Shimanto 100km |
9:24:43 h | 65 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 20/10/2013 | 19th River Shimanto 100km | 100,00 | ×7 |
| ✓ 2 | 10/6/2018 | 7th Hida Takayama 71 km Ultramarathon | 71,00 | ×5 |
| ✓ 3 | 11/6/2017 | 6th Hida Takayama 71 km Ultramarathon | 71,00 | ×5 |