David Burdette
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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.
21
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
28,9%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 854; Σ finishers = 2 955. 854 / 2 955 × 100 = 28.90%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races530 km
Longest race80,5 km
17th Rocky Raccoon 50 Mile Trail Run — 7/2/2009
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 | |
|---|---|---|---|---|
| 2010 | ||||
| 22.10 | 50km | 6:42:48 h | 41 | |
| 2009 | ||||
| 07.02 | 50mi | 11:04:44 h | 82 | |
| 2008 | ||||
| 06.12 | 50km | 5:28:47 h | 91 | |
| 05.04 | 50km | 5:46:29 h | 41 | |
| 2006 | ||||
| 28.10 | 50km | 5:22:58 h | 39 | |
| 2005 | ||||
| 03.12 | 50km | 5:54:42 h | 191 | |
| 22.10 | 50km | 5:02:58 h | 27 | |
| 2004 | ||||
| 04.12 | 50km | 5:18:39 h | 111 | |
| 2003 | ||||
| 06.12 | 50km | 5:35:12 h | 188 | |
| 25.10 | 50km | 5:57:24 h | 53 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 7/2/2009 | 17th Rocky Raccoon 50 Mile Trail Run | 80,47 | ×3 |
| ✓ 2 | 22/10/2010 | 26th Palo Duro 50 km Trail Run | 50,00 | ×2 |
| ✓ 3 | 6/12/2008 | 19th Sunmart Texas Trails 50 km | 50,00 | ×2 |
| ✓ 4 | 5/4/2008 | 16th Hog's Hunt 50K Trail Run | 50,00 | ×2 |
| ✓ 5 | 28/10/2006 | 14th Rocky 50 km Trail Run | 50,00 | ×2 |
| ✓ 6 | 3/12/2005 | 16th Sunmart Texas Trails 50 km | 50,00 | ×2 |
| ✓ 7 | 22/10/2005 | 13th Rocky 50 km Trail Run | 50,00 | ×2 |
| ✓ 8 | 4/12/2004 | 15th Sunmart Texas Trails 50 km | 50,00 | ×2 |
| ✓ 9 | 6/12/2003 | 14th Sunmart Texas Trails 50 km | 50,00 | ×2 |
| ✓ 10 | 25/10/2003 | 11th Rocky 50 km Trail Run | 50,00 | ×2 |