Takehiro (高橋岳大) Takahashi
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15
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
16,9%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 2 495; Σ finishers = 14 756. 2 495 / 14 756 × 100 = 16.91%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races1 256 km
> 100 km1
Longest race140,0 km
17. Yamaguchi 100 Hagi-O-Kan Maranic 140 km — 3/5/2005
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road27,1%
Trail72,9%
Records
HISTORY
15 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 3/5/2005 | 17. Yamaguchi 100 Hagi-O-Kan Maranic 140 km | 140,00 | ×4 |
| ✓ 2 | 2/11/2025 | 5th OSJ Kami 100 | 100,00 | ×3 |
| ✓ 3 | 18/7/2025 | 1st Watershed Trail | 100,00 | ×3 |
| ✓ 4 | 22/4/2018 | 28th Fuji 5 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 5 | 12/6/2016 | 5th Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 6 | 12/5/2002 | 8th Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 7 | 8/10/2017 | 25th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 8 | 13/10/2013 | 21st Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 9 | 11/10/2009 | 17th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 10 | 14/10/2007 | 15th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 11 | 9/10/2005 | 13th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 12 | 10/10/2004 | 12th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 13 | 25/10/2003 | 11th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 14 | 13/7/2013 | 4th Nozawa Onsen 4100D Mountain Trail | 65,00 | ×1 |
| ✓ 15 | 27/5/2007 | OSJ Hakone 50K | 50,00 | ×1 |