Miguel Casas-Sanchez
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Born : 1980
Cat. M45 Ultrarunner since 2019
14
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
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 ?United States
United States39,6%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 679; Σ finishers = 1 716. 679 / 1 716 × 100 = 39.57%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed14
Km — ultra races801 km
Longest race80,5 km
14th Marin Ultra Challenge 50 Mile Race — 14/3/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road7,5%
Trail92,5%
Records
HISTORY
14 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 14/3/2026 | 14th Marin Ultra Challenge 50 Mile Race | 80,47 | ×3 |
| ✓ 2 | 27/9/2025 | 43rd Dick Collins Firetrails 50 Mile | 80,47 | ×3 |
| ✓ 3 | 25/9/2021 | 39th Dick Collins Firetrails 50 Mile | 80,47 | ×3 |
| ✓ 4 | 17/11/2019 | 39th NYRR Knickerbocker 60K | 60,00 | ×2 |
| ✓ 5 | 4/4/2026 | 17th Diablo Trails Challenge | 50,00 | ×2 |
| ✓ 6 | 10/1/2026 | 5th No Hands Trail Run | 50,00 | ×2 |
| ✓ 7 | 20/12/2025 | 13th Woodside Ramble 50K - Winter | 50,00 | ×2 |
| ✓ 8 | 11/5/2024 | 41th Quicksilver 50 km Endurance Run | 50,00 | ×2 |
| ✓ 9 | 12/3/2022 | 10th Marin Ultra Challenge 50 km Race | 50,00 | ×2 |
| ✓ 10 | 7/11/2021 | 6th Whiskey Hill Redwood Run | 50,00 | ×2 |
| ✓ 11 | 1/8/2021 | 40th Skyline 50k Endurance Run | 50,00 | ×2 |
| ✓ 12 | 19/10/2019 | Castle To River Trail Run | 50,00 | ×2 |
| ✓ 13 | 12/10/2019 | 7th Tesla Hertz Run 50 km | 50,00 | ×2 |
| ✓ 14 | 11/5/2019 | 10th Mayapple 50 km Trail Run | 50,00 | ×2 |