Matthew Williams
External sources
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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.
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
29,5%
Rank quotient ?This runner's calculation uses 17 eligible race(s): Σ(rank − 1) = 686; Σ finishers = 2 328. 686 / 2 328 × 100 = 29.47%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed17
Km — ultra races925 km
Longest race100,0 km
1st Mines of Spain 100 km Race — 20/10/2018
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Wins & podiums (ultra)
🏆 Win1
🏆 Win M1
🏅 Top 33
🏅 Top 3 M3
Longest winning streak1
Current streak0
Records
HISTORY
17 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 20/10/2018 | 1st Mines of Spain 100 km Race | 100,00 | ×4 |
| ✓ 2 | 11/7/2026 | 13th Beaverhead 55K Endurance Run | 55,00 | ×2 |
| ✓ 3 | 12/7/2025 | 12th Beaverhead 55K Endurance Run | 55,00 | ×2 |
| ✓ 4 | 13/7/2024 | 11th Beaverhead 55K Endurance Run | 55,00 | ×2 |
| ✓ 5 | 15/7/2023 | 10th Beaverhead 55K Endurance Run | 55,00 | ×2 |
| ✓ 6 | 9/7/2022 | 9th Beaverhead 55K Endurance Run | 55,00 | ×2 |
| ✓ 7 | 15/8/2026 | 35th Bulldog 50k Ultra Run | 50,00 | ×2 |
| ✓ 8 | 6/6/2026 | 5th Malibu Canyon Trail Races (SAMO 50 km) | 50,00 | ×2 |
| ✓ 9 | 28/3/2026 | 12th Griffith Park Trail Marathon | 50,00 | ×2 |
| ✓ 10 | 6/12/2025 | 11th Ray Miller 50 km Trail Race | 50,00 | ×2 |
| ✓ 11 | 1/11/2025 | 11th Griffith Park Trail Marathon | 50,00 | ×2 |
| ✓ 12 | 27/9/2025 | 8th Rocky Peak Trail Races (Bandit Ultra) | 50,00 | ×2 |
| ✓ 13 | 16/8/2025 | 34th Bulldog 50k Ultra Run | 50,00 | ×2 |
| ✓ 14 | 3/10/2020 | 6th Spitfire Ultra Trail Challenge | 50,00 | ×2 |
| ✓ 15 | 21/7/2018 | 3rd Grand Island 50 km Race | 50,00 | ×2 |
| ✓ 16 | 2/6/2018 | 23rd Kettle Moraine 50 km Endurance Run | 50,00 | ×2 |
| ✓ 17 | 22/7/2017 | 2nd Grand Island 50 km Race | 50,00 | ×2 |