Kazuhiko (福田和彦) Fukuda
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16
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
26
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
31,4%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 1 153; Σ finishers = 3 667. 1 153 / 3 667 × 100 = 31.44%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races949 km
> 100 km1
Longest race109,2 km
7th Trainic World 100 km in Sai-No-Kuni — 21/5/2022
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0
Records
HISTORY
16 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 21/5/2022 | 7th Trainic World 100 km in Sai-No-Kuni | 109,20 | ×4 |
| ✓ 2 | 20/9/2025 | 11th SkyViewTrail Memorial Cup | 80,00 | ×3 |
| ✓ 3 | 6/7/2019 | 0. Jungle Guruguru Max - 80 km | 80,00 | ×3 |
| ✓ 4 | 21/9/2019 | 6th SkyView Ultra-Trail 70 - Yamada Noboru Memorial Cup | 75,00 | ×2 |
| ✓ 5 | 1/6/2019 | 11th OSJ Okukuji Trail 60k | 59,00 | ×2 |
| ✓ 6 | 8/9/2024 | 2nd Around Toki River | 54,00 | ×2 |
| ✓ 7 | 6/10/2024 | 12th Trainic world Ogose-Tokigawa Trail Run 50km | 51,40 | ×1 |
| ✓ 8 | 15/11/2025 | 11th FunTrails50K Round | 50,00 | ×1 |
| ✓ 9 | 28/4/2024 | 17th Ishioka Trail Run | 50,00 | ×1 |
| ✓ 10 | 7/11/2021 | 5th Koshu Alps Lily Route Challenge | 50,00 | ×1 |
| ✓ 11 | 25/4/2021 | 14th Ishioka Trail Run | 50,00 | ×1 |
| ✓ 12 | 28/4/2019 | 12th Ishioka Trail Run | 49,00 | ×1 |
| ✓ 13 | 29/4/2017 | 10th Ishioka Trail Run | 49,00 | ×1 |
| ✓ 14 | 26/8/2018 | 5th Tsukuba Renjyo 48 km Road & Trail Run | 48,00 | ×1 |
| ✓ 15 | 31/8/2014 | 1st Tsukuba Renjyo 48 km Road & Trail Run | 48,00 | ×1 |
| ✓ 16 | 29/4/2018 | 11th Ishioka Trail Run | 46,00 | ×1 |