David James
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15
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
44
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
2
Countries visited ?
Costa Rica
United States
6,7%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 132; Σ finishers = 1 969. 132 / 1 969 × 100 = 6.70%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed46
Km — ultra races2 344 km
> 100 km9
> 160 km9
> 200 km5
> 24h3
Longest race250,0 km
7th The Coastal Challenge — 29/1/2011
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road34,7%
Trail6,9%
Stage58,4%
Wins & podiums (ultra)
🏆 Win2
🏆 Win M2
🏅 Top 35
🏅 Top 3 M5
Longest winning streak2
Current streak2
HISTORY
15 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2013 | ||||
| 03.02 | 233km/6stages | 26:54:00 h | 1 🏆 | |
| 2011 | ||||
| 29.01 | 250km/6stages | 23:35:14 h | 1 🏆 | |
| 2010 | ||||
| 16.10 | 50mi | 5:52:32 h | 2 🥈 | |
| 18.09 | 24h | 169.605 km | 25 | |
| 2009 | ||||
| 31.12 | 24h | 176.522 km | 6 | |
| 05.12 | 50mi | 7:49:51 h | 17 | |
| 21.11 | 50mi | 6:36:00 h | 14 | |
| 03.10 | 24h | 192.799 km | 15 | |
| 01.02 | 233km/6stages | 29:16:50 h | 2 🥈 | |
| 2008 | ||||
| 19.10 | 6h | 53.301 km | 17 | |
| 11.10 | 50mi | 6:39:47 h | 6 | |
| 27.01 | 207km/6stages | 23:40:47 h | 3 🥉 | |
| 2007 | ||||
| 03.02 | 197km/6stages | 25:20:59 h | 11 | |
| 2006 | ||||
| 22.01 | 250km/7stages | 38:06:51 h | 7 | |
| 2004 | ||||
| 27.11 | 60km | 5:49:20 h | 20 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 29/1/2011 | 7th The Coastal Challenge | 250,00 | ×5 |
| ✓ 2 | 22/1/2006 | 2nd The Coastal Challenge | 250,00 | ×5 |
| ✓ 3 | 3/2/2013 | 9th The Coastal Challenge | 233,00 | ×5 |
| ✓ 4 | 1/2/2009 | 5th The Coastal Challenge Expedition Run | 233,00 | ×5 |
| ✓ 5 | 27/1/2008 | 4th The Coastal Challenge Expedition Run | 207,00 | ×4 |
| ✓ 6 | 3/2/2007 | 3rd The Coastal Challenge Expedition Run | 197,00 | ×4 |
| ✓ 7 | 3/10/2009 | 1st North Coast 24 Hour Endurance Run | 192,80 | ×4 |
| ✓ 8 | 31/12/2009 | 2nd Freedom Park New Year's Ultra 24h | 176,52 | ×4 |
| ✓ 9 | 18/9/2010 | 2nd North Coast 24 Hour Endurance Run | 169,61 | ×3 |
| ✓ 10 | 16/10/2010 | 11th Tussey Mountainback 50 Miler | 80,47 | ×1 |
| ✓ 11 | 5/12/2009 | 3rd Endurance Challenge - California Trail 50 Mile | 80,47 | ×1 |
| ✓ 12 | 21/11/2009 | 47th JFK 50 Mile | 80,47 | ×1 |
| ✓ 13 | 11/10/2008 | 9th Tussey Mountainback 50 Miler | 80,47 | ×1 |
| ✓ 14 | 27/11/2004 | 24th NYRR Knickerbocker 60K | 60,00 | ×1 |
| ✓ 15 | 19/10/2008 | 9th 6 Hour 60th Birthday Run | 53,30 | ×1 |