Kazuhiko (内田和彦) Uchida
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13
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
31
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
44,7%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 5 529; Σ finishers = 12 362. 5 529 / 12 362 × 100 = 44.73%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races1 115 km
> 100 km3
> 160 km1
Longest race160,9 km
3rd Ultra-Trail Mt. Fuji (UTMF) — 25/4/2014
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road6,5%
Trail93,5%
HISTORY
13 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 25/4/2014 | 3rd Ultra-Trail Mt. Fuji (UTMF) | 160,93 | ×5 |
| ✓ 2 | 17/9/2023 | 15th Shinetsu Five Mountains Trail 110km | 110,00 | ×3 |
| ✓ 3 | 18/9/2016 | 8th Shinetsu Five Mountains Trail 110km | 110,00 | ×3 |
| ✓ 4 | 13/7/2013 | 6th OSJ Ontake 100km Ultra Trail | 100,00 | ×3 |
| ✓ 5 | 26/4/2013 | 2nd Shizuoka to Yamanashi (STY) | 84,00 | ×2 |
| ✓ 6 | 9/6/2013 | 2nd Hida Takayama 72 km Ultramarathon | 72,00 | ×2 |
| ✓ 7 | 10/3/2013 | 1st Izu Trail Journey | 72,00 | ×2 |
| ✓ 8 | 7/10/2018 | 26th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 9 | 9/10/2016 | 24th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 10 | 12/10/2014 | 22nd Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 11 | 7/10/2012 | 20th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 12 | 25/8/2012 | 2nd Utsukushigahara 70 km Trail Run | 70,00 | ×2 |
| ✓ 13 | 30/9/2012 | 2nd SkyView Ultra-Trail | 50,00 | ×1 |