Hideyuki (柳澤英幸) Yanagisawa
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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.
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
35,6%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 6 094; Σ finishers = 17 102. 6 094 / 17 102 × 100 = 35.63%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races1 456 km
> 100 km1
Longest race118,0 km
28th Fuji 5 Lakes 118 km Challenge — 22/4/2018
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road69,9%
Trail30,1%
Records
HISTORY
16 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 22/4/2018 | 28th Fuji 5 Lakes 118 km Challenge | 118,00 | ×3 |
| ✓ 2 | 19/4/2026 | 36th Fuji 4 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 3 | 20/4/2025 | 35th Fuji 4 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 4 | 21/4/2024 | 34th Fuji 4 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 5 | 16/4/2023 | 33th Fuji 4 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 6 | 17/4/2022 | 32th Fuji 5 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 7 | 21/4/2019 | 29th Fuji 5 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 8 | 23/4/2017 | 27th Fuji 5 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 9 | 25/9/2016 | 26. Akita Nairiku 100km Marathon | 100,00 | ×3 |
| ✓ 10 | 22/5/2016 | 22nd Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 11 | 19/4/2015 | 25th Fuji 5 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 12 | 10/12/2017 | 4th Izu Trail Journey | 71,70 | ×2 |
| ✓ 13 | 11/12/2016 | 3rd Izu Trail Journey | 71,70 | ×2 |
| ✓ 14 | 16/7/2016 | 7th Nozawa Onsen 4100D Mountain Trail | 65,00 | ×1 |
| ✓ 15 | 19/7/2015 | 6th Nozawa Onsen 4100D Mountain Trail | 65,00 | ×1 |
| ✓ 16 | 20/7/2014 | 5th Nozawa Onsen 4100D Mountain Trail | 65,00 | ×1 |