Jeffrie Parker

Born : 1949 Cat. M75 Ultrarunner since 1990

DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.

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

Countries visited ?

United States

42,5%

Rank quotient ?This runner's calculation uses 19 eligible race(s): Σ(rank − 1) = 1 385; Σ finishers = 3 259. 1 385 / 3 259 × 100 = 42.50%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed19

Km — ultra races1 487 km

> 100 km1

> 160 km1

Longest race160,9 km

25th Wasatch Front 100 Mile — 11/9/2004

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Trail100,0%

Records

50 km5h38'19 50 mi7h59'15 100 mi35h37'09

HISTORY

19 race(s)

Date		Race	Perf.	Rk
2012
19.05	50km	7th Jemez Mountain 50km Trail Run	7:45:46 h	52
2010
05.06	50mi	14th Snow Peaks 50 Mile Trail Run	14:01:44 h	125
2009
06.06	50mi	13th Snow Peaks 50 Mile Trail Run	13:50:44 h	145
2008
07.06	50mi	12th Snow Peaks 50 Mile Trail Run	14:15:15 h	117
26.04	50km	19th Zane Grey Highline Trail 50 km	11:20:48 h	44
2006
03.06	50mi	10th Snow Peaks 50 Mile Trail Run	13:54:00 h	119
2004
11.09	100mi	25th Wasatch Front 100 Mile	35:37:09 h	119
05.06	50mi	8th Snow Peaks 50 Mile Trail Run	13:35:00 h	114
2003
11.01	50mi	23rd Avalon Benefit 50-Mile Run	9:26:43 h	40
2002
01.06	50mi	6th Snow Peaks 50 Mile Trail Run	11:08:32 h	44
02.03	50mi	5th Smuggler's 50 Miles	9:56:58 h	21
2001
02.06	50mi	5th Snow Peaks 50 Mile Trail Run	12:08:15 h	72
07.04	50mi	9th Bull Run Run 50 Miler	9:43:20 h	56
2000
03.06	50mi	4th Snow Peaks 50 Mile Trail Run	12:16:54 h	54
1992
16.05	50km	8th Silver State 50 km	5:38:19 h	6
04.04	50mi	13th American River 50 Mile Endurance Run	8:02:50 h	85
1991
06.04	50mi	12th American River 50 Mile Endurance Run	7:59:15 h	73
1990
19.05	50km	7th Silver State 50 km	5:54:00 h	6
07.04	50mi	11th American River 50 Mile Endurance Run	8:20:06 h	112

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	11/9/2004	25th Wasatch Front 100 Mile	160,93	×4
✓ 2	5/6/2010	14th Snow Peaks 50 Mile Trail Run	80,47	×2
✓ 3	6/6/2009	13th Snow Peaks 50 Mile Trail Run	80,47	×2
✓ 4	7/6/2008	12th Snow Peaks 50 Mile Trail Run	80,47	×2
✓ 5	3/6/2006	10th Snow Peaks 50 Mile Trail Run	80,47	×2
✓ 6	5/6/2004	8th Snow Peaks 50 Mile Trail Run	80,47	×2
✓ 7	11/1/2003	23rd Avalon Benefit 50-Mile Run	80,47	×2
✓ 8	1/6/2002	6th Snow Peaks 50 Mile Trail Run	80,47	×2
✓ 9	2/3/2002	5th Smuggler's 50 Miles	80,47	×2
✓ 10	2/6/2001	5th Snow Peaks 50 Mile Trail Run	80,47	×2
✓ 11	7/4/2001	9th Bull Run Run 50 Miler	80,47	×2
✓ 12	3/6/2000	4th Snow Peaks 50 Mile Trail Run	80,47	×2
✓ 13	4/4/1992	13th American River 50 Mile Endurance Run	80,47	×2
✓ 14	6/4/1991	12th American River 50 Mile Endurance Run	80,47	×2
✓ 15	7/4/1990	11th American River 50 Mile Endurance Run	80,47	×2
✓ 16	19/5/2012	7th Jemez Mountain 50km Trail Run	50,00	×1
✓ 17	26/4/2008	19th Zane Grey Highline Trail 50 km	50,00	×1
✓ 18	16/5/1992	8th Silver State 50 km	50,00	×1
✓ 19	19/5/1990	7th Silver State 50 km	50,00	×1