Masayuki (尾城雅行) Oshiro
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14
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
77,7%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 8 835; Σ finishers = 11 371. 8 835 / 11 371 × 100 = 77.70%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed14
Km — ultra races1 262 km
Longest race100,0 km
11th 100 km Ultra Maranic Osaka — 21/4/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road68,2%
Trail31,8%
Records
HISTORY
14 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2019 | ||||
| 21.04 | 100km | 13:59:27 h | 404 | |
| 2018 | ||||
| 27.05 | 51.9km | 11:30:42 h | 76 | |
| 22.04 | 100km | 13:08:38 h | 265 | |
| 2017 | ||||
| 13.05 | 50km | 9:54:04 h | 503 | |
| 23.04 | 100km | 13:22:55 h | 275 | |
| 2016 | ||||
| 24.04 | 100km | 13:46:32 h | 321 | |
| 2015 | ||||
| 07.06 | 100km | 12:59:14 h | 688 | |
| 17.05 | 100km | 13:53:07 h | 1329 | |
| 26.04 | 100km | 13:38:55 h | 282 | |
| 2014 | ||||
| 22.11 | 60km | 7:41:34 h | 1202 | |
| 19.10 | 100km | 13:48:07 h | 1116 | |
| 18.05 | 100km | 13:50:32 h | 1105 | |
| 27.04 | 100km | 12:38:32 h | 169 | |
| 2013 | ||||
| 19.05 | 100km | 13:51:18 h | 1114 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 21/4/2019 | 11th 100 km Ultra Maranic Osaka | 100,00 | ×3 |
| ✓ 2 | 22/4/2018 | 10th 100 km Ultra Maranic Osaka | 100,00 | ×3 |
| ✓ 3 | 23/4/2017 | 9th 100 km Ultra Maranic Osaka | 100,00 | ×3 |
| ✓ 4 | 24/4/2016 | 8th 100 km Ultra Maranic Osaka | 100,00 | ×3 |
| ✓ 5 | 7/6/2015 | 4th Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 6 | 17/5/2015 | 21st Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 7 | 26/4/2015 | 7th 100 km Ultra Maranic Osaka | 100,00 | ×3 |
| ✓ 8 | 19/10/2014 | 20th River Shimanto 100km | 100,00 | ×3 |
| ✓ 9 | 18/5/2014 | 20th Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 10 | 27/4/2014 | 6th 100 km Ultra Maranic Osaka | 100,00 | ×3 |
| ✓ 11 | 19/5/2013 | 19th Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 12 | 22/11/2014 | 1st Kiso-Sansen 60 km Ultra-Marathon | 60,00 | ×1 |
| ✓ 13 | 27/5/2018 | 3rd Rokko 5 Peaks Trail Race | 51,90 | ×1 |
| ✓ 14 | 13/5/2017 | 3rd Mt. Hiei Int. 50 km Trail Run | 50,00 | ×1 |