Masayuki (海老野正之) Ebino
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Born : 1968
Cat. M55 Ultrarunner since 2014
16
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
37
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
Japan28,5%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 4 658; Σ finishers = 16 366. 4 658 / 16 366 × 100 = 28.46%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races1 690 km
> 100 km5
Longest race118,0 km
34th Fuji 5 Lakes 118 km Challenge — 21/4/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road94,1%
Trail5,9%
Records
HISTORY
16 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 21/4/2024 | 34th Fuji 5 Lakes 118 km Challenge | 118,00 | ×3 |
| ✓ 2 | 17/4/2022 | 32th Fuji 5 Lakes 118 km Challenge | 118,00 | ×3 |
| ✓ 3 | 21/4/2019 | 29th Fuji 5 Lakes 118 km Challenge | 118,00 | ×3 |
| ✓ 4 | 22/4/2018 | 28th Fuji 5 Lakes 118 km Challenge | 118,00 | ×3 |
| ✓ 5 | 23/4/2017 | 27th Fuji 5 Lakes 118 km Challenge | 118,00 | ×3 |
| ✓ 6 | 19/4/2026 | 36th Fuji 4 Lakes 100 km Challenge | 100,00 | ×2 |
| ✓ 7 | 20/4/2025 | 35th Fuji 4 Lakes 100 km Challenge | 100,00 | ×2 |
| ✓ 8 | 19/5/2024 | 30th Yatsugatake Nobeyama 100 km | 100,00 | ×2 |
| ✓ 9 | 21/5/2023 | 29th Yatsugatake Nobeyama 100 km | 100,00 | ×2 |
| ✓ 10 | 19/5/2019 | 25th Yatsugatake Nobeyama 100 km | 100,00 | ×2 |
| ✓ 11 | 17/6/2018 | 2nd Nikko 100km Ultramarathon | 100,00 | ×2 |
| ✓ 12 | 20/5/2018 | 24th Yatsugatake Nobeyama 100 km | 100,00 | ×2 |
| ✓ 13 | 2/7/2017 | 1st Nikko 100km Ultramarathon | 100,00 | ×2 |
| ✓ 14 | 21/5/2017 | 23rd Yatsugatake Nobeyama 100 km | 100,00 | ×2 |
| ✓ 15 | 24/4/2016 | 26th Fuji 5 Lakes 100 km Challenge | 100,00 | ×2 |
| ✓ 16 | 20/4/2014 | 24th Fuji 5 Lakes 100 km Challenge | 100,00 | ×2 |