James Peacock
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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
55,1%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 1 599; Σ finishers = 2 901. 1 599 / 2 901 × 100 = 55.12%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races617 km
Longest race80,5 km
8th Pony Express Trail 50 Mile — 18/10/2013
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
10 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2014 | ||||
| 28.06 | 28mi | 7:12:45 h | 97 | |
| 2013 | ||||
| 18.10 | 50mi | 10:38:33 h | 13 | |
| 23.03 | 50km | 6:46:13 h | 97 | |
| 2012 | ||||
| 17.11 | 50mi | 10:14:40 h | 468 | |
| 21.07 | 50km | 7:53:43 h | 51 | |
| 24.03 | 50km | 6:52:11 h | 122 | |
| 2011 | ||||
| 22.10 | 50mi | 9:20:17 h | 15 | |
| 2010 | ||||
| 23.10 | 50km | 5:28:33 h | 69 | |
| 27.03 | 50km | 6:43:55 h | 92 | |
| 2009 | ||||
| 21.11 | 50mi | 10:51:19 h | 585 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 18/10/2013 | 8th Pony Express Trail 50 Mile | 80,47 | ×3 |
| ✓ 2 | 17/11/2012 | 50th JFK 50 Mile | 80,47 | ×3 |
| ✓ 3 | 22/10/2011 | 6th Ogden Valley Ultra Marathon | 80,47 | ×3 |
| ✓ 4 | 21/11/2009 | 47th JFK 50 Mile | 80,47 | ×3 |
| ✓ 5 | 23/3/2013 | 8th Antelope Island Buffalo Run 50 km | 50,00 | ×2 |
| ✓ 6 | 21/7/2012 | 11th Tahoe Rim Trail 50km Endurance Run | 50,00 | ×2 |
| ✓ 7 | 24/3/2012 | 7th Antelope Island Buffalo Run 50 km | 50,00 | ×2 |
| ✓ 8 | 23/10/2010 | 5th Goblin Valley Ultra 50k | 50,00 | ×2 |
| ✓ 9 | 27/3/2010 | 5th Antelope Island Buffalo Run 50 km | 50,00 | ×2 |
| ✓ 10 | 28/6/2014 | 7th Logan Peak 28 Mile Trail Race | 45,06 | ×1 |