Shinsuke (横山真介) Yokoyama
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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.
40
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
2
Countries visited ?
Japan
Thailand
29,7%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 3 905; Σ finishers = 13 164. 3 905 / 13 164 × 100 = 29.66%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races1 918 km
> 100 km11
> 160 km7
Longest race168,5 km
7th OSJ Koumi 100 — 9/10/2021
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road5,2%
Trail94,8%
HISTORY
16 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 9/10/2021 | 7th OSJ Koumi 100 | 168,50 | ×4 |
| ✓ 2 | 26/4/2024 | 9th Ultra-Trail Mt. Fuji (UTMF) | 167,00 | ×4 |
| ✓ 3 | 21/4/2023 | 8th Ultra-Trail Mt. Fuji (UTMF) | 167,00 | ×4 |
| ✓ 4 | 16/9/2023 | 15th Shinetsu Five Mountains Trail 100 mile | 162,60 | ×4 |
| ✓ 5 | 17/9/2022 | 14th Shinetsu Five Mountains Trail 100 mile | 162,60 | ×4 |
| ✓ 6 | 13/9/2025 | 17th Shinetsu Five Mountains Trail 100 mile | 162,20 | ×4 |
| ✓ 7 | 13/7/2024 | 16th OSJ Ontake 100 Mile Ultra Trail | 160,93 | ×4 |
| ✓ 8 | 21/5/2022 | 7th Trainic World 100 km in Sai-No-Kuni | 109,20 | ×2 |
| ✓ 9 | 16/7/2022 | 14th OSJ Ontake 100km Ultra Trail | 106,50 | ×2 |
| ✓ 10 | 21/6/2025 | 1st Kaga Spa by UTMB - Kaga Spa Trail Endurance100 | 105,00 | ×2 |
| ✓ 11 | 6/6/2026 | 6th Okushinano 100 | 100,80 | ×2 |
| ✓ 12 | 17/6/2018 | 2nd Nikko 100km Ultramarathon | 100,00 | ×2 |
| ✓ 13 | 8/12/2019 | 6th Izu Trail Journey | 71,70 | ×1 |
| ✓ 14 | 31/10/2015 | 23rd Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×1 |
| ✓ 15 | 7/12/2024 | 1st Chiangmai Thailand by UTMB - HMONG 50 | 53,00 | ×1 |
| ✓ 16 | 6/9/2015 | 4th Trainic world Ogose-Tokigawa Trail Run 50km | 49,60 | ×1 |