John Wilcox
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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.
23
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
46,3%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 1 105; Σ finishers = 2 385. 1 105 / 2 385 × 100 = 46.33%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races598 km
> 24h5
> 48h1
Longest race81,1 km
33rd Across the Years, 48h — 30/12/2017
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road73,1%
Trail26,9%
HISTORY
10 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 28.12 | 24h | 52.226 km | 68 | |
| 2024 | ||||
| 28.12 | 24h | 52.141 km | 97 | |
| 01.01 | 12h | 49.873 km | 23 | |
| 2023 | ||||
| 01.01 | 12h | 50.584 km | 17 | |
| 2022 | ||||
| 01.01 | 24h | 50.584 km | 114 | |
| 2017 | ||||
| 30.12 | 48h | 81.096 km | 79 | |
| 2016 | ||||
| 31.12 | 50km | 7:28:43 h | 151 | |
| 28.12 | 24h | 50.684 km | 134 | |
| 2003 | ||||
| 22.11 | 50mi | 9:18:02 h | 172 | |
| 1998 | ||||
| 21.11 | 50mi | 9:32:44 h | 260 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 30/12/2017 | 33rd Across the Years, 48h | 81,10 | ×3 |
| ✓ 2 | 22/11/2003 | 41st JFK 50 Mile | 80,47 | ×3 |
| ✓ 3 | 21/11/1998 | 36th JFK 50 Mile | 80,47 | ×3 |
| ✓ 4 | 28/12/2025 | 41st Across the Years, 24h | 52,23 | ×2 |
| ✓ 5 | 28/12/2024 | 41th Across the Years, 24h | 52,14 | ×2 |
| ✓ 6 | 28/12/2016 | 32nd Across the Years, 24h | 50,68 | ×2 |
| ✓ 7 | 1/1/2023 | 38th Across the Years, 12h | 50,58 | ×2 |
| ✓ 8 | 1/1/2022 | 37th Across the Years, 24h | 50,58 | ×2 |
| ✓ 9 | 31/12/2016 | 5th The Pistol 50 km Ultra Run | 50,00 | ×2 |
| ✓ 10 | 1/1/2024 | 39th Across the Years, 12h | 49,87 | ×2 |