Donald Berdan
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11
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
26
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
83,8%
Rank quotient ?This runner's calculation uses 11 eligible race(s): Σ(rank − 1) = 1 336; Σ finishers = 1 595. 1 336 / 1 595 × 100 = 83.76%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed11
Km — ultra races926 km
> 100 km4
> 24h6
Longest race121,1 km
12th FANS 24 Hour Runs — 23/6/2001
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road63,1%
Trail36,9%
HISTORY
11 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2005 | ||||
| 04.06 | 24h | 80.595 km | 73 | |
| 2001 | ||||
| 23.06 | 24h | 121.103 km | 36 | |
| 10.05 | 50mi | 11:46:55 h | 275 | |
| 2000 | ||||
| 24.06 | 24h | 101.565 km | 55 | |
| 1999 | ||||
| 26.06 | 24h | 105.476 km | 49 | |
| 08.05 | 50mi | 11:42:46 h | 329 | |
| 17.04 | 50km | 6:25:14 h | 85 | |
| 1998 | ||||
| 12.12 | 50mi | 12:02:32 h | 248 | |
| 27.06 | 24h | 110.240 km | 49 | |
| 1997 | ||||
| 28.06 | 24h | 65.661 km | 92 | |
| 1996 | ||||
| 06.07 | 50km | 7:05:30 h | 56 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 23/6/2001 | 12th FANS 24 Hour Runs | 121,10 | ×4 |
| ✓ 2 | 27/6/1998 | 9th FANS 24 Hour Runs | 110,24 | ×4 |
| ✓ 3 | 26/6/1999 | 10th FANS 24 Hour Runs | 105,48 | ×4 |
| ✓ 4 | 24/6/2000 | 11th FANS 24 Hour Runs | 101,57 | ×3 |
| ✓ 5 | 4/6/2005 | 16th FANS 24 Hour Runs | 80,60 | ×3 |
| ✓ 6 | 10/5/2001 | 20th Ice Age Trail 50 Mile Run | 80,47 | ×3 |
| ✓ 7 | 8/5/1999 | 18th Ice Age Trail 50 Mile Run | 80,47 | ×3 |
| ✓ 8 | 12/12/1998 | 9th Sunmart Texas Trails 50 Mile | 80,47 | ×3 |
| ✓ 9 | 28/6/1997 | 8th FANS 24 Hour Runs | 65,66 | ×2 |
| ✓ 10 | 17/4/1999 | 10th Trail Mix Race | 50,00 | ×1 |
| ✓ 11 | 6/7/1996 | 3rd Afton Trail Run 50K | 50,00 | ×1 |