Donald Caldwell
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16
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
21,9%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 358; Σ finishers = 1 633. 358 / 1 633 × 100 = 21.92%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races975 km
> 100 km1
> 160 km1
Longest race160,9 km
4th Angeles Crest 100 Mile — 30/9/1989
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 32
🏅 Top 3 M2
Longest winning streak0
Current streak0
HISTORY
16 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2017 | ||||
| 03.06 | 50km | 5:54:28 h | 44 | |
| 22.04 | 50km | 7:22:16 h | 116 | |
| 2009 | ||||
| 08.08 | 50km | 6:06:13 h | 29 | |
| 2008 | ||||
| 09.08 | 50km | 6:38:09 h | 25 | |
| 2006 | ||||
| 04.11 | 50km | 6:16:02 h | 15 | |
| 12.08 | 50km | 6:07:44 h | 37 | |
| 2005 | ||||
| 27.08 | 50km | 5:23:05 h | 14 | |
| 13.08 | 50km | 5:48:53 h | 11 | |
| 11.06 | 33mi | 6:12:45 h | 29 | |
| 07.05 | 50km | 4:27:06 h | 2 🥈 | |
| 2004 | ||||
| 15.05 | 50km | 5:58:08 h | 13 | |
| 03.04 | 50km | 5:52:03 h | 8 | |
| 1994 | ||||
| 29.10 | 50mi | 9:03:49 h | 14 | |
| 1991 | ||||
| 10.08 | 50mi | 8:55:30 h | 3 🥉 | |
| 13.04 | 50km | 4:01:24 h | 6 | |
| 1989 | ||||
| 30.09 | 100mi | 22:27:50 h | 8 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 30/9/1989 | 4th Angeles Crest 100 Mile | 160,93 | ×6 |
| ✓ 2 | 29/10/1994 | 11th San Juan Trail 50 Mile | 80,47 | ×3 |
| ✓ 3 | 10/8/1991 | Eldorado Gold 50 Miles | 80,47 | ×3 |
| ✓ 4 | 11/6/2005 | 9th Holcomb Valley 33 Mile | 53,11 | ×2 |
| ✓ 5 | 3/6/2017 | 28th Shadow of the Giants 50K | 50,00 | ×1 |
| ✓ 6 | 22/4/2017 | 25th Leona Divide 50 km Run | 50,00 | ×1 |
| ✓ 7 | 8/8/2009 | 5th Angeles National Forest 50k Trail Race | 50,00 | ×1 |
| ✓ 8 | 9/8/2008 | 4th Angeles National Forest 50k Trail Race | 50,00 | ×1 |
| ✓ 9 | 4/11/2006 | 23th San Juan Trail 50 km | 50,00 | ×1 |
| ✓ 10 | 12/8/2006 | 2nd Angeles National Forest 50k Trail Race | 50,00 | ×1 |
| ✓ 11 | 27/8/2005 | 14th Bulldog 50k Ultra Run | 50,00 | ×1 |
| ✓ 12 | 13/8/2005 | 1st Angeles National Forest 50k Trail Race | 50,00 | ×1 |
| ✓ 13 | 7/5/2005 | 25th Wild Wild West 50k | 50,00 | ×1 |
| ✓ 14 | 15/5/2004 | 11th Bishop High Sierra Ultramarathons 50 km | 50,00 | ×1 |
| ✓ 15 | 3/4/2004 | 6th San Gabriel Mountain 50K | 50,00 | ×1 |
| ✓ 16 | 13/4/1991 | Cuyamaca 50 km Trail Race | 50,00 | ×1 |