Masanori (長塩正紀) Nagashio
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17
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
59,4%
Rank quotient ?This runner's calculation uses 17 eligible race(s): Σ(rank − 1) = 2 084; Σ finishers = 3 509. 2 084 / 3 509 × 100 = 59.39%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed17
Km — ultra races1 205 km
Longest race100,0 km
15th 100 km Ultra Maranic Osaka — 21/4/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road96,3%
Stage3,7%
Records
HISTORY
17 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 21/4/2024 | 15th 100 km Ultra Maranic Osaka | 100,00 | ×3 |
| ✓ 2 | 17/4/2022 | 13th 100 km Ultra Maranic Osaka | 100,00 | ×3 |
| ✓ 3 | 22/4/2018 | 10th 100 km Ultra Maranic Osaka | 100,00 | ×3 |
| ✓ 4 | 20/5/2012 | 4th 100 km Ultra Maranic Osaka | 100,00 | ×3 |
| ✓ 5 | 19/4/2026 | 17th 70 km Ultra Maranic Osaka | 70,00 | ×2 |
| ✓ 6 | 20/4/2025 | 16th 70 km Ultra Maranic Osaka | 70,00 | ×2 |
| ✓ 7 | 23/4/2023 | 14th 70 km Ultra Maranic Osaka | 70,00 | ×2 |
| ✓ 8 | 23/4/2017 | 9th 70 km Ultra Maranic Osaka | 70,00 | ×2 |
| ✓ 9 | 24/4/2016 | 8th 70 km Ultra Maranic Osaka | 70,00 | ×2 |
| ✓ 10 | 26/4/2015 | 7th 70 km Ultra Maranic Osaka | 70,00 | ×2 |
| ✓ 11 | 21/4/2013 | 5th 70 km Ultra Maranic Osaka | 70,00 | ×2 |
| ✓ 12 | 23/5/2010 | 2nd 70 km Ultra Maranic Osaka | 70,00 | ×2 |
| ✓ 13 | 4/4/2026 | 5th Ultra Udon Maranic | 50,00 | ×1 |
| ✓ 14 | 5/4/2025 | 4th Ultra Udon Maranic - 50km | 50,00 | ×1 |
| ✓ 15 | 5/4/2024 | 3rd Ultra Udon Maranic | 50,00 | ×1 |
| ✓ 16 | 6/10/2019 | 15th Ashiya Hama Shiokaze Ultra Marathon - 50 km | 50,00 | ×1 |
| ✓ 17 | 4/3/2023 | 2nd Ultra Udon Maranic 45km | 45,00 | ×1 |