Hideki (菅原秀樹) Sugahara
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10
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
24
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
29,4%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 2 016; Σ finishers = 6 868. 2 016 / 6 868 × 100 = 29.35%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races694 km
> 100 km2
Longest race106,0 km
3rd Trainic World 100 km in Sai-No-Kuni — 19/5/2018
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road14,6%
Trail85,4%
Records
HISTORY
10 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 19/5/2018 | 3rd Trainic World 100 km in Sai-No-Kuni | 106,00 | ×4 |
| ✓ 2 | 17/8/2019 | 7th World Cultural Heritage "Fuji" Foot Race | 101,00 | ×4 |
| ✓ 3 | 11/12/2016 | 3rd Izu Trail Journey | 71,70 | ×2 |
| ✓ 4 | 7/10/2018 | 26th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 5 | 8/10/2017 | 25th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 6 | 19/7/2015 | 6th Nozawa Onsen 4100D Mountain Trail | 65,00 | ×2 |
| ✓ 7 | 21/10/2015 | 1st FunTrails50K Two Lakes&Green line | 56,00 | ×2 |
| ✓ 8 | 17/11/2018 | 4th FunTrails50K Two Lakes&Green line | 52,00 | ×2 |
| ✓ 9 | 8/5/2016 | 4th Trainic world Chichibu Trail Run 50km | 49,80 | ×2 |
| ✓ 10 | 10/7/2016 | 5th Trainic world Ogose-Tokigawa Trail Run 50km | 49,60 | ×2 |