Masataka (麻上昌隆) Asagami
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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.
32
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
68,0%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 9 548; Σ finishers = 14 041. 9 548 / 14 041 × 100 = 68.00%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races1 229 km
Longest race100,0 km
32th Yatsugatake Nobeyama 100 km — 17/5/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road79,7%
Trail20,3%
Records
HISTORY
16 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 17/5/2026 | 32th Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 2 | 18/5/2025 | 31th Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 3 | 19/5/2024 | 30th Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 4 | 21/5/2023 | 29th Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 5 | 12/6/2022 | 10th Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 6 | 9/6/2019 | 8th Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 7 | 10/6/2018 | 7th Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 8 | 11/6/2017 | 6th Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 9 | 19/5/2019 | 7th Tokyo Shibamata 60 km | 60,00 | ×1 |
| ✓ 10 | 5/6/2016 | 4th Tokyo Shibamata 60 km | 60,00 | ×1 |
| ✓ 11 | 6/6/2015 | 3rd Tokyo Shibamata 60 km | 60,00 | ×1 |
| ✓ 12 | 29/9/2019 | 7th Trainic world Soto-Chichibu Trail Run 50km | 53,00 | ×1 |
| ✓ 13 | 3/12/2023 | 11th Trainic world Ogose-Tokigawa Trail Run 50km | 51,40 | ×1 |
| ✓ 14 | 30/11/2025 | 12th Trainic world Soto-Chichibu Trail Run 50km | 50,00 | ×1 |
| ✓ 15 | 1/12/2024 | 11th Trainic world Soto-Chichibu Trail Run 50km | 50,00 | ×1 |
| ✓ 16 | 2/10/2022 | 9th Trainic world Soto-Chichibu Trail Run 45km | 45,00 | ×1 |