Ben Grieb
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12
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
22
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
62,6%
Rank quotient ?This runner's calculation uses 12 eligible race(s): Σ(rank − 1) = 1 311; Σ finishers = 2 094. 1 311 / 2 094 × 100 = 62.61%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed12
Km — ultra races591 km
Longest race80,5 km
8th Sunmart Texas Trails 50 Mile — 13/12/1997
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
12 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2012 | ||||
| 14.04 | 50km | 7:44:36 h | 27 | |
| 2008 | ||||
| 29.11 | 28mi | 7:37:44 h | 196 | |
| 2006 | ||||
| 25.11 | 28mi | 7:27:44 h | 191 | |
| 06.06 | 50km | 6:56:58 h | 27 | |
| 2005 | ||||
| 26.11 | 28mi | 7:53:24 h | 199 | |
| 2004 | ||||
| 27.11 | 28mi | 7:01:55 h | 141 | |
| 2003 | ||||
| 29.11 | 28mi | 6:58:38 h | 157 | |
| 2002 | ||||
| 30.11 | 28mi | 5:09:05 h | 31 | |
| 1997 | ||||
| 13.12 | 50mi | 8:47:15 h | 105 | |
| 29.11 | 28mi | 5:55:25 h | 82 | |
| 1995 | ||||
| 02.09 | 50km | 6:41:41 h | 103 | |
| 1993 | ||||
| 27.11 | 28mi | 5:49:42 h | 64 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 13/12/1997 | 8th Sunmart Texas Trails 50 Mile | 80,47 | ×3 |
| ✓ 2 | 14/4/2012 | 11th Woodside Trail Run 50K | 50,00 | ×2 |
| ✓ 3 | 6/6/2006 | 26th Wild Wild West 50k | 50,00 | ×2 |
| ✓ 4 | 2/9/1995 | 1st Point Reyes 50K | 50,00 | ×2 |
| ✓ 5 | 29/11/2008 | 24th Quad Dipsea Trail Run | 45,06 | ×2 |
| ✓ 6 | 25/11/2006 | 22nd Quad Dipsea Trail Run | 45,06 | ×2 |
| ✓ 7 | 26/11/2005 | 21st Quad Dipsea Trail Run | 45,06 | ×2 |
| ✓ 8 | 27/11/2004 | 20th Quad Dipsea Trail Run | 45,06 | ×2 |
| ✓ 9 | 29/11/2003 | 19th Quad Dipsea Trail Run | 45,06 | ×2 |
| ✓ 10 | 30/11/2002 | 18th Quad Dipsea Trail Run | 45,06 | ×2 |
| ✓ 11 | 29/11/1997 | 13th Quad Dipsea Trail Run | 45,06 | ×2 |
| ✓ 12 | 27/11/1993 | 9th Quad Dipsea Trail Run | 45,06 | ×2 |