James McGregor

Born : 1943 Cat. M80 Ultrarunner since 1995

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

77,0%

Rank quotient ?This runner's calculation uses 78 eligible race(s): Σ(rank − 1) = 9 044; Σ finishers = 11 739. 9 044 / 11 739 × 100 = 77.04%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed78

Km — ultra races6 664 km

> 100 km15

> 160 km15

Longest race160,9 km

13th The Bear 100 Mile Endurance Run — 23/9/2011

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Trail100,0%

Records

50 km5h57'25 100 km14h18'34 50 mi9h40'37 100 mi30h13'00

HISTORY

78 race(s)

Date		Race	Perf.	Rk
2019
16.11	50km	9th Antelope Island Fall Classic 50K	9:10:10 h	205
2018
17.11	50km	8th Antelope Island Fall Classic 50K	8:12:45 h	192
16.06	28mi	11th Logan Peak 28 Mile Trail Race	8:32:38 h	121
24.03	50mi	13th Antelope Island Buffalo Run 50 Mile	15:10:13 h	101
2017
24.06	28mi	10th Logan Peak 28 Mile Trail Race	8:57:43 h	101
18.03	50mi	12th Antelope Island Buffalo Run 50 Mile	13:51:24 h	79
2016
05.11	50km	6th Antelope Island Fall Classic 50K	8:13:37 h	174
06.08	50km	10th El Vaquero Loco 50K Mountain Race	11:06:22 h	81
25.06	28mi	9th Logan Peak 28 Mile Trail Race	8:30:25 h	130
2015
14.11	50km	5th Antelope Island Fall Classic 50K	7:39:10 h	162
08.08	50km	9th El Vaquero Loco 50K Mountain Race	10:48:47 h	91
27.06	28mi	8th Logan Peak 28 Mile Trail Race	8:54:47 h	107
21.03	50mi	10th Antelope Island Buffalo Run 50 Mile	13:02:00 h	149
2014
11.10	50km	4th Antelope Island 50K	7:13:30 h	56
09.08	50km	8th El Vaquero Loco 50K Mountain Race	10:13:12 h	92
28.06	28mi	7th Logan Peak 28 Mile Trail Race	7:32:25 h	102
22.03	50mi	9th Antelope Island Buffalo Run 50 Mile	13:11:14 h	111
2013
19.10	50km	3rd Antelope Island 50K	6:51:29 h	82
10.08	50km	7th El Vaquero Loco 50K Mountain Race	10:26:53 h	72
29.06	28mi	6th Logan Peak 28 Mile Trail Race	7:28:12 h	92
01.06	50mi	17th Snow Peaks 50 Mile Trail Run	16:19:46 h	212
23.03	50mi	8th Antelope Island Buffalo Run 50 Mile	12:53:00 h	132
2012
28.07	50km	5th Speedgoat 50k	12:23:16 h	235
02.06	50mi	16th Snow Peaks 50 Mile Trail Run	15:43:43 h	188
24.03	50km	7th Antelope Island Buffalo Run 50 km	8:18:30 h	167
2011
23.09	100mi	13th The Bear 100 Mile Endurance Run	34:54:51 h	164
13.08	50km	5th El Vaquero Loco 50K Mountain Race	10:52:00 h	34
30.07	50km	4th Speedgoat 50k	11:10:26 h	181
04.06	50mi	15th Snow Peaks 50 Mile Trail Run	16:45:55 h	176
26.03	50mi	6th Antelope Island Buffalo Run 50 Mile	11:40:45 h	75
2010
10.09	100mi	31st Wasatch Front 100 Mile	35:44:26 h	178
31.07	50km	3rd Speedgoat 50k	10:44:45 h	138
26.06	28mi	4th Logan Peak 28 Mile Trail Race	7:16:44 h	72
05.06	50mi	14th Snow Peaks 50 Mile Trail Run	14:24:29 h	140
27.03	50mi	5th Antelope Island Buffalo Run 50 Mile	11:04:06 h	72
2009
12.09	100mi	30th Wasatch Front 100 Mile	35:29:53 h	145
18.07	50km	2nd Speedgoat 50k	11:15:00 h	91
27.06	28mi	3rd Logan Peak 28 Mile Trail Race	7:39:34 h	66
06.06	50mi	13th Snow Peaks 50 Mile Trail Run	14:59:09 h	169
28.03	50mi	4th Antelope Island Buffalo Run 50 Mile	11:17:32 h	92
2008
25.10	50km	3rd Goblin Valley Ultra 50k	5:57:25 h	37
06.09	100mi	29th Wasatch Front 100 Mile	34:53:35 h	138
26.07	50km	1st Speedgoat 50k	11:06:05 h	78
28.06	28mi	2nd Logan Peak 28 Mile Trail Race	7:59:03 h	30
07.06	50mi	12th Snow Peaks 50 Mile Trail Run	15:35:46 h	152
22.03	50mi	3rd Antelope Island Buffalo Run 50 Mile	11:23:08 h	41
2007
08.09	100mi	28th Wasatch Front 100 Mile	34:32:17 h	126
02.06	50mi	11th Snow Peaks 50 Mile Trail Run	15:31:44 h	161
14.04	50mi	28th American River 50 Mile Endurance Run	10:28:47 h	292
24.03	50mi	2nd Antelope Island Buffalo Run 50 Mile	11:11:38 h	38
2006
09.09	100mi	27th Wasatch Front 100 Mile	34:24:08 h	117
03.06	50mi	10th Snow Peaks 50 Mile Trail Run	14:28:15 h	146
01.04	50mi	27th American River 50 Mile Endurance Run	10:30:33 h	258
2005
10.09	100mi	26th Wasatch Front 100 Mile	34:11:57 h	118
04.06	50mi	9th Snow Peaks 50 Mile Trail Run	14:02:38 h	90
02.04	50mi	26th American River 50 Mile Endurance Run	10:21:04 h	256
2004
11.09	100mi	25th Wasatch Front 100 Mile	34:20:22 h	100
05.06	50mi	8th Snow Peaks 50 Mile Trail Run	14:32:07 h	143
03.04	50mi	25th American River 50 Mile Endurance Run	10:41:52 h	279
2003
06.09	100mi	24th Wasatch Front 100 Mile	33:04:04 h	71
07.06	50mi	7th Snow Peaks 50 Mile Trail Run	13:08:13 h	104
2002
07.09	100mi	23rd Wasatch Front 100 Mile	34:12:45 h	97
13.07	50km	4th Midnight Mountain 50K	8:02:00 h	20
01.06	50mi	6th Snow Peaks 50 Mile Trail Run	14:13:35 h	104
2001
21.07	100km	Elkhorn Mountain Endurance Run 100 km	16:24:07 h	33
02.06	50mi	5th Snow Peaks 50 Mile Trail Run	13:53:54 h	105
2000
09.09	100mi	21st Wasatch Front 100 Mile	32:48:49 h	79
15.07	100km	Elkhorn Mountain Endurance Run 100 km	14:40:41 h	44
03.06	50mi	4th Snow Peaks 50 Mile Trail Run	14:26:58 h	109
1999
11.09	100mi	20th Wasatch Front 100 Mile	31:52:00 h	69
17.07	100km	Elkhorn Mountain Endurance Run 100 km	14:18:34 h	43
05.06	50mi	3rd Snow Peaks 50 Mile Trail Run	13:04:49 h	70
1998
12.09	100mi	19th Wasatch Front 100 Mile	31:08:00 h	82
18.07	100km	Elkhorn Mountain Endurance Run 100 km	14:49:26 h	50
24.05	50mi	21st Rocky Mountain 50 Mile Run	10:27:26 h	14
1997
05.09	100mi	18th Wasatch Front 100 Mile	30:13:00 h	62
1996
06.09	100mi	17th Wasatch Front 100 Mile	33:13:21 h	66
1995
01.04	50mi	16th American River 50 Mile Endurance Run	9:40:37 h	273

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	23/9/2011	13th The Bear 100 Mile Endurance Run	160,93	×2
✓ 2	10/9/2010	31st Wasatch Front 100 Mile	160,93	×2
✓ 3	12/9/2009	30th Wasatch Front 100 Mile	160,93	×2
✓ 4	6/9/2008	29th Wasatch Front 100 Mile	160,93	×2
✓ 5	8/9/2007	28th Wasatch Front 100 Mile	160,93	×2
✓ 6	9/9/2006	27th Wasatch Front 100 Mile	160,93	×2
✓ 7	10/9/2005	26th Wasatch Front 100 Mile	160,93	×2
✓ 8	11/9/2004	25th Wasatch Front 100 Mile	160,93	×2
✓ 9	6/9/2003	24th Wasatch Front 100 Mile	160,93	×2
✓ 10	7/9/2002	23rd Wasatch Front 100 Mile	160,93	×2
✓ 11	9/9/2000	21st Wasatch Front 100 Mile	160,93	×2
✓ 12	11/9/1999	20th Wasatch Front 100 Mile	160,93	×2
✓ 13	12/9/1998	19th Wasatch Front 100 Mile	160,93	×2
✓ 14	5/9/1997	18th Wasatch Front 100 Mile	160,93	×2
✓ 15	6/9/1996	17th Wasatch Front 100 Mile	160,93	×2
✓ 16	21/7/2001	Elkhorn Mountain Endurance Run 100 km	100,00	×1
✓ 17	15/7/2000	Elkhorn Mountain Endurance Run 100 km	100,00	×1
✓ 18	17/7/1999	Elkhorn Mountain Endurance Run 100 km	100,00	×1
✓ 19	18/7/1998	Elkhorn Mountain Endurance Run 100 km	100,00	×1
✓ 20	24/3/2018	13th Antelope Island Buffalo Run 50 Mile	80,47	×1
✓ 21	18/3/2017	12th Antelope Island Buffalo Run 50 Mile	80,47	×1
✓ 22	21/3/2015	10th Antelope Island Buffalo Run 50 Mile	80,47	×1
✓ 23	22/3/2014	9th Antelope Island Buffalo Run 50 Mile	80,47	×1
✓ 24	1/6/2013	17th Snow Peaks 50 Mile Trail Run	80,47	×1
✓ 25	23/3/2013	8th Antelope Island Buffalo Run 50 Mile	80,47	×1
✓ 26	2/6/2012	16th Snow Peaks 50 Mile Trail Run	80,47	×1
✓ 27	4/6/2011	15th Snow Peaks 50 Mile Trail Run	80,47	×1
✓ 28	26/3/2011	6th Antelope Island Buffalo Run 50 Mile	80,47	×1
✓ 29	5/6/2010	14th Snow Peaks 50 Mile Trail Run	80,47	×1
✓ 30	27/3/2010	5th Antelope Island Buffalo Run 50 Mile	80,47	×1
✓ 31	6/6/2009	13th Snow Peaks 50 Mile Trail Run	80,47	×1
✓ 32	28/3/2009	4th Antelope Island Buffalo Run 50 Mile	80,47	×1
✓ 33	7/6/2008	12th Snow Peaks 50 Mile Trail Run	80,47	×1
✓ 34	22/3/2008	3rd Antelope Island Buffalo Run 50 Mile	80,47	×1
✓ 35	2/6/2007	11th Snow Peaks 50 Mile Trail Run	80,47	×1
✓ 36	14/4/2007	28th American River 50 Mile Endurance Run	80,47	×1
✓ 37	24/3/2007	2nd Antelope Island Buffalo Run 50 Mile	80,47	×1
✓ 38	3/6/2006	10th Snow Peaks 50 Mile Trail Run	80,47	×1
✓ 39	1/4/2006	27th American River 50 Mile Endurance Run	80,47	×1
✓ 40	4/6/2005	9th Snow Peaks 50 Mile Trail Run	80,47	×1
✓ 41	2/4/2005	26th American River 50 Mile Endurance Run	80,47	×1
✓ 42	5/6/2004	8th Snow Peaks 50 Mile Trail Run	80,47	×1
✓ 43	3/4/2004	25th American River 50 Mile Endurance Run	80,47	×1
✓ 44	7/6/2003	7th Snow Peaks 50 Mile Trail Run	80,47	×1
✓ 45	1/6/2002	6th Snow Peaks 50 Mile Trail Run	80,47	×1
✓ 46	2/6/2001	5th Snow Peaks 50 Mile Trail Run	80,47	×1
✓ 47	3/6/2000	4th Snow Peaks 50 Mile Trail Run	80,47	×1
✓ 48	5/6/1999	3rd Snow Peaks 50 Mile Trail Run	80,47	×1
✓ 49	24/5/1998	21st Rocky Mountain 50 Mile Run	80,47	×1
✓ 50	1/4/1995	16th American River 50 Mile Endurance Run	80,47	×1
51	16/11/2019	9th Antelope Island Fall Classic 50K	50,00	—
52	17/11/2018	8th Antelope Island Fall Classic 50K	50,00	—
53	5/11/2016	6th Antelope Island Fall Classic 50K	50,00	—
54	6/8/2016	10th El Vaquero Loco 50K Mountain Race	50,00	—
55	14/11/2015	5th Antelope Island Fall Classic 50K	50,00	—
56	8/8/2015	9th El Vaquero Loco 50K Mountain Race	50,00	—
57	11/10/2014	4th Antelope Island 50K	50,00	—
58	9/8/2014	8th El Vaquero Loco 50K Mountain Race	50,00	—
59	19/10/2013	3rd Antelope Island 50K	50,00	—
60	10/8/2013	7th El Vaquero Loco 50K Mountain Race	50,00	—
61	28/7/2012	5th Speedgoat 50k	50,00	—
62	24/3/2012	7th Antelope Island Buffalo Run 50 km	50,00	—
63	13/8/2011	5th El Vaquero Loco 50K Mountain Race	50,00	—
64	30/7/2011	4th Speedgoat 50k	50,00	—
65	31/7/2010	3rd Speedgoat 50k	50,00	—
66	18/7/2009	2nd Speedgoat 50k	50,00	—
67	25/10/2008	3rd Goblin Valley Ultra 50k	50,00	—
68	26/7/2008	1st Speedgoat 50k	50,00	—
69	13/7/2002	4th Midnight Mountain 50K	50,00	—
70	16/6/2018	11th Logan Peak 28 Mile Trail Race	45,06	—
71	24/6/2017	10th Logan Peak 28 Mile Trail Race	45,06	—
72	25/6/2016	9th Logan Peak 28 Mile Trail Race	45,06	—
73	27/6/2015	8th Logan Peak 28 Mile Trail Race	45,06	—
74	28/6/2014	7th Logan Peak 28 Mile Trail Race	45,06	—
75	29/6/2013	6th Logan Peak 28 Mile Trail Race	45,06	—
76	26/6/2010	4th Logan Peak 28 Mile Trail Race	45,06	—
77	27/6/2009	3rd Logan Peak 28 Mile Trail Race	45,06	—
78	28/6/2008	2nd Logan Peak 28 Mile Trail Race	45,06	—