Jeffery Day
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Born : 1976
Cat. M50 Ultrarunner since 2001
16
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
29
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
United States34,1%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 1 058; Σ finishers = 3 102. 1 058 / 3 102 × 100 = 34.11%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races1 157 km
> 100 km2
> 160 km2
> 24h1
Longest race177,4 km
10th St. Pats 24 Hour Races — 19/10/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road31,6%
Trail68,4%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M2
🏅 Top 32
🏅 Top 3 M2
Longest winning streak0
Current streak0
HISTORY
16 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2019 | ||||
| 19.10 | 24h | 10th St. Pats 24 Hour Races |
177.430 km | 2 🥈 |
| 2018 | ||||
| 20.10 | 12h | 9th St. Pats 12 Hour Race |
88.513 km | 2 🥈 |
| 2016 | ||||
| 17.12 | 50km | 20th Huff 50K Trail Run |
5:55:07 h | 28 |
| 2015 | ||||
| 19.12 | 50km | 19th Huff 50K Trail Run |
5:15:34 h | 67 |
| 2014 | ||||
| 20.12 | 50km | 18th Huff 50K Trail Run |
5:05:52 h | 62 |
| 2013 | ||||
| 28.12 | 50km | 17th Huff 50K Trail Run |
5:17:21 h | 113 |
| 2012 | ||||
| 29.12 | 50km | 16th Huff 50K Trail Run |
5:31:08 h | 91 |
| 14.04 | 50mi | 3rd Winona Lake 50 Mile Trail Run |
9:03:47 h | 13 |
| 2011 | ||||
| 18.12 | 50km | 15th Huff 50K Trail Run |
5:46:56 h | 98 |
| 2007 | ||||
| 29.12 | 50km | 11th Huff 50K Trail Run |
5:54:06 h | 68 |
| 2006 | ||||
| 03.06 | 100mi | 11th Kettle Moraine 100 Mile Endurance Run |
28:35:17 h | 45 |
| 2005 | ||||
| 15.10 | 100km | 19th Edmund Fitzgerald 100K Road Race |
12:01:57 h | 21 |
| 2004 | ||||
| 18.12 | 50km | 8th Huff 50K Trail Run |
6:10:21 h | 149 |
| 2003 | ||||
| 27.12 | 50km | 7th Huff 50K Trail Run |
6:14:41 h | 135 |
| 2002 | ||||
| 28.12 | 50km | 6th Huff 50K Trail Run |
6:04:06 h | 79 |
| 2001 | ||||
| 29.12 | 50km | 5th Huff 50K Trail Run |
5:53:53 h | 101 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 19/10/2019 | 10th St. Pats 24 Hour Races | 177,43 | ×6 |
| ✓ 2 | 3/6/2006 | 11th Kettle Moraine 100 Mile Endurance Run | 160,93 | ×5 |
| ✓ 3 | 15/10/2005 | 19th Edmund Fitzgerald 100K Road Race | 100,00 | ×3 |
| ✓ 4 | 20/10/2018 | 9th St. Pats 12 Hour Race | 88,51 | ×3 |
| ✓ 5 | 14/4/2012 | 3rd Winona Lake 50 Mile Trail Run | 80,47 | ×2 |
| ✓ 6 | 17/12/2016 | 20th Huff 50K Trail Run | 50,00 | ×1 |
| ✓ 7 | 19/12/2015 | 19th Huff 50K Trail Run | 50,00 | ×1 |
| ✓ 8 | 20/12/2014 | 18th Huff 50K Trail Run | 50,00 | ×1 |
| ✓ 9 | 28/12/2013 | 17th Huff 50K Trail Run | 50,00 | ×1 |
| ✓ 10 | 29/12/2012 | 16th Huff 50K Trail Run | 50,00 | ×1 |
| ✓ 11 | 18/12/2011 | 15th Huff 50K Trail Run | 50,00 | ×1 |
| ✓ 12 | 29/12/2007 | 11th Huff 50K Trail Run | 50,00 | ×1 |
| ✓ 13 | 18/12/2004 | 8th Huff 50K Trail Run | 50,00 | ×1 |
| ✓ 14 | 27/12/2003 | 7th Huff 50K Trail Run | 50,00 | ×1 |
| ✓ 15 | 28/12/2002 | 6th Huff 50K Trail Run | 50,00 | ×1 |
| ✓ 16 | 29/12/2001 | 5th Huff 50K Trail Run | 50,00 | ×1 |