Noriaki (奥薗徳明) Okuzono
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Ultrarunner since 2018
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
Japan54,1%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 10 508; Σ finishers = 19 406. 10 508 / 19 406 × 100 = 54.15%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races1 475 km
Longest race100,0 km
14th Hida Takayama 100 km Ultramarathon — 14/6/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
16 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 14/6/2026 | 14th Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 2 | 8/6/2025 | 13th Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 3 | 18/5/2025 | 31th Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 4 | 19/5/2024 | 30th Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 5 | 11/6/2023 | 11th Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 6 | 21/5/2023 | 29th Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 7 | 12/6/2022 | 10th Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 8 | 22/5/2022 | 28th Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 9 | 15/9/2019 | 19th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 10 | 9/6/2019 | 8th Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 11 | 19/5/2019 | 25th Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 12 | 20/5/2018 | 24th Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 13 | 19/4/2026 | 36th Fuji 4 Lakes 80 km Challenge | 80,00 | ×2 |
| ✓ 14 | 21/4/2019 | 29th Fuji 5 Lakes 71 km Challenge | 71,00 | ×2 |
| ✓ 15 | 20/4/2025 | 35th Fuji 3 Lakes 62 km Challenge | 62,00 | ×1 |
| ✓ 16 | 21/4/2024 | 34th Fuji 3 Lakes 62 km Challenge | 62,00 | ×1 |