Matthew Jeffers
External sources
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13
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
22
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
24,5%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 449; Σ finishers = 1 830. 449 / 1 830 × 100 = 24.54%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races658 km
Longest race80,5 km
37th Le Grizz 50 Mile Ultramarathon — 13/10/2018
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 32
🏅 Top 3 M2
Longest winning streak0
Current streak0
Records
HISTORY
13 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 13/10/2018 | 37th Le Grizz 50 Mile Ultramarathon | 80,47 | ×3 |
| ✓ 2 | 24/2/2018 | 1st Mount Umunhum Trail Run | 52,00 | ×2 |
| ✓ 3 | 22/9/2018 | 8th Coastal 50 km Trail Run | 50,00 | ×2 |
| ✓ 4 | 7/7/2018 | 8th Golden Gate 50 km Summer Trail Run | 50,00 | ×2 |
| ✓ 5 | 12/5/2018 | 9th Cinderella 50 km Spring Trail Run | 50,00 | ×2 |
| ✓ 6 | 7/4/2018 | 2nd Napa Valley 50k Trail Race | 50,00 | ×2 |
| ✓ 7 | 10/2/2018 | 8th Golden Gate 50 km Winter Trail Run | 50,00 | ×2 |
| ✓ 8 | 6/1/2018 | 3rd Eldrith Gosney’s Pure Ultra | 50,00 | ×2 |
| ✓ 9 | 25/11/2023 | 38th Quad Dipsea Trail Run | 45,06 | ×2 |
| ✓ 10 | 26/11/2022 | 37th Quad Dipsea Trail Run | 45,06 | ×2 |
| ✓ 11 | 27/11/2021 | 36th Quad Dipsea Trail Run | 45,06 | ×2 |
| ✓ 12 | 30/11/2019 | 35th Quad Dipsea Trail Run | 45,06 | ×2 |
| ✓ 13 | 24/11/2018 | 34th Quad Dipsea Trail Run | 45,06 | ×2 |