Masayuki (高橋正幸) Takahashi
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14
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
33
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
75,1%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 3 732; Σ finishers = 4 972. 3 732 / 4 972 × 100 = 75.06%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed14
Km — ultra races1 372 km
> 100 km4
Longest race140,0 km
29. Yamaguchi 100 Hagi-O-Kan Maranic 140 km — 3/5/2017
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road88,9%
Trail11,1%
Records
HISTORY
14 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 3/5/2017 | 29. Yamaguchi 100 Hagi-O-Kan Maranic 140 km | 140,00 | ×4 |
| ✓ 2 | 22/4/2018 | 28th Fuji 5 Lakes 118 km Challenge | 118,00 | ×3 |
| ✓ 3 | 13/4/2019 | 5th Okuizumo Ultra Orochi 100km Tooashi | 102,00 | ×3 |
| ✓ 4 | 16/4/2016 | 2nd Okuizumo Ultra Orochi 100km Tooashi | 102,00 | ×3 |
| ✓ 5 | 11/4/2026 | 1st Hiroshima Trail | 100,00 | ×3 |
| ✓ 6 | 15/6/2025 | 18. Okinoshima 100km Ultra Marathon | 100,00 | ×3 |
| ✓ 7 | 16/6/2019 | 14. Okinoshima 100km Ultra Marathon | 100,00 | ×3 |
| ✓ 8 | 17/6/2018 | 13. Okinoshima 100km Ultra Marathon | 100,00 | ×3 |
| ✓ 9 | 18/6/2017 | 12. Okinoshima 100km Ultra Marathon | 100,00 | ×3 |
| ✓ 10 | 19/6/2016 | 11. Okinoshima 100km Ultra Marathon | 100,00 | ×3 |
| ✓ 11 | 29/5/2016 | 23rd Ebisu-Daikoku 100 km Marathon | 100,00 | ×3 |
| ✓ 12 | 15/9/2019 | 10th Akiota Yajirushi Marathon 88km | 88,00 | ×2 |
| ✓ 13 | 4/5/2015 | 27. Yamaguchi 100 Hagi-O-Kan Maranic 70 km | 70,00 | ×2 |
| ✓ 14 | 3/11/2024 | 6th Saioto Colors | 52,00 | ×1 |