Koutoku (内山晃徳) Uchiyama
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Born : 1975
Cat. M50 Ultrarunner since 2009
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
Japan27,5%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 3 596; Σ finishers = 13 087. 3 596 / 13 087 × 100 = 27.48%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed14
Km — ultra races1 442 km
> 100 km3
Longest race118,0 km
25th Fuji 5 Lakes 118 km Challenge — 19/4/2015
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road86,1%
Trail13,9%
Records
HISTORY
14 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 19/4/2015 | 25th Fuji 5 Lakes 118 km Challenge | 118,00 | ×3 |
| ✓ 2 | 22/4/2012 | 22nd Fuji 5 Lakes 112 km Challenge | 112,00 | ×3 |
| ✓ 3 | 30/4/2011 | 21st Fuji 5 Lakes 112 km Challenge | 112,00 | ×3 |
| ✓ 4 | 9/10/2016 | 11th Echigo Kubikino 100km Ultramarathon | 100,00 | ×3 |
| ✓ 5 | 22/5/2016 | 22nd Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 6 | 24/4/2016 | 26th Fuji 5 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 7 | 17/5/2015 | 21st Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 8 | 12/10/2014 | 10th Echigo Kubikino 100km Ultramarathon | 100,00 | ×3 |
| ✓ 9 | 9/6/2013 | 2nd Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 10 | 6/10/2012 | 9th Echigo Kubikino 100km Ultramarathon | 100,00 | ×3 |
| ✓ 11 | 26/9/2010 | 20. Akita Nairiku 100km Marathon | 100,00 | ×3 |
| ✓ 12 | 25/4/2010 | 20th Fuji 5 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 13 | 27/9/2009 | 19. Akita Nairiku 100km Marathon | 100,00 | ×3 |
| ✓ 14 | 26/4/2009 | 19th Fuji 5 Lakes 100 km Challenge | 100,00 | ×3 |