Stephen Cooper

Born : 1954 Cat. M70 Ultrarunner since 2005

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

62,6%

Rank quotient ?This runner's calculation uses 116 eligible race(s): Σ(rank − 1) = 9 214; Σ finishers = 14 708. 9 214 / 14 708 × 100 = 62.65%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed116

Km — ultra races7 570 km

> 100 km6

> 160 km4

> 200 km2

> 24h3

Longest race325,1 km

6th Tahoe 200 Mile Endurance Run — 13/9/2019

Km per year (ultra races)

274

2022

150

2023

544

2024

485

2025

272

2026

Race types (share of distance)

Trail100,0%

Records

50 km5h29'34 100 km22h50'12 50 mi9h46'49 100 mi32h22'46 12 h60,00 km 24 h90,53 km

HISTORY

116 race(s)

Date		Race	Perf.	Rk
2026
12.09	50km	11th Boulder Field 100 - 50 km Ultra Run	8:04:03 h	112
01.08	50km	21st HURL Elkhorn 50 km Endurance Run	13:52:20 h	74
20.06	45mi	10th Many On The Genny 45 Mile Trail Ultra	13:04:47 h	85
09.05	50km	16th Dirty German Endurance Fest 50 km	7:31:09 h	186
07.03	50km	6th Squatchapple 50 km Race	11:51:43 h	63
2025
25.10	12h	1st Delaware Trail Fest	60.000 km	47
20.09	50mi	4th Squatchayanda Trail Festival (Wild Goose)	16:49:14 h	49
09.08	50km	18th Martha Moats Baker Memorial 50k	8:31:00 h	16
25.05	50km	11th Holy Cowan's Gap 50k+	9:48:00 h	35
29.03	40mi	3rd Hone Quarry 40 Miler	12:52:09 h	83
08.03	50km	20th Seneca Creek Greenway Trail 50k	8:29:33 h	146
01.02	50mi	13th Elephant Mountain 50 Mile	16:14:41 h	42
18.01	50km	13th PHUNT 50K Run	8:18:15 h	85
2024
01.12	50mi	5th PPTC 50th Anniversary 50 Mile Endurance Fest	12:54:33 h	90
03.11	32.8mi	14th Fire on the Mountain 50k Ultra Marathon	9:20:26 h	52
24.08	50km	2nd TPK Debauchery	12:25:54 h	30
03.08	24h	3rd RunPA Trail Jamboree 24h	45.061 km	16
20.07	50km	12th Catherine's 50k Run	9:05:00 h	54
08.05	125mi	4th Cocodona 125 Mile Race	2d 13:42:12 h	121
23.03	40mi	2nd Hone Quarry 40 Miler	12:25:32 h	65
2023
17.12	50km	6th Naked Nick 50 km Race	8:07:03 h	145
05.08	50km	11th Volcanic 50	11:38:21 h	199
25.03	50km	5th Greenbrier 50k Fun Run	9:00:30 h	27
2022
06.11	32.8mi	12th Fire on the Mountain 50k Ultra Marathon	9:09:24 h	29
09.10	50km	10th Green Monster Trail Challenge 50K	9:34:42 h	57
23.04	24h	16th 24 Hour Adventure Trail Run	90.525 km	11
25.03	50mi	4th Greenbrier 50 Mile Midnight Madness Run	15:29:46 h	22
2021
24.07	50km	9th Catherine's 50k Run	8:57:00 h	55
19.06	50mi	4th Old Cascadia 50 Mile Race	17:18:48 h	77
29.05	24h	3rd Cow Bone 24 Hour Trail Run	79.662 km	22
27.03	40mi	7th Naked Bavarian 40 Miler	9:46:05 h	53
2020
08.02	100km	4th Lone Star 100 - 100 km	26:44:50 h	18
2019
23.11	50km	9th Little Gunpowder 50K	7:33:42 h	58
13.09	202mi	6th Tahoe 200 Mile Endurance Run	3d 22:33:46 h	107
22.06	52km	4th The Broken Arrow Skyrace	9:26:57 h	302
08.06	40mi	16th Highlands Sky 40M Trail Run	10:42:58 h	128
28.04	50km	10th Ironmasters Challenge 50k Ultra	8:43:24 h	99
23.03	50km	6th HARRC's Tuscarora 50K Trails Ultra	7:43:00 h	34
2018
17.11	50km	8th Little Gunpowder 50K	7:45:25 h	38
12.10	50km	9th West Virginia Trilogy 50 km	8:21:47 h	55
15.09	50km	3rd Boulder Field 100 - 50 km Ultra Run	7:17:53 h	88
28.07	100km	4th Never Summer 100k	22:50:12 h	233
02.06	50mi	22nd Snow Peaks 50 Mile Trail Run	14:44:52 h	210
28.04	50mi	29th Zane Grey 50 Mile Endurance Run	14:45:49 h	95
17.03	50km	13th Elizabeth's Furnace Fat Ass 50 km Race	8:39:00 h	36
10.02	50km	2nd Algonquin 50km Trail Race	6:50:47 h	88
2017
11.11	50mi	8th Stone Mill 50 Mile Run	12:34:51 h	171
14.10	50mi	8th West Virginia Trilogy 50 Mile	14:17:21 h	37
16.09	50km	2nd Boulder Field 100 - 50 km Ultra Run	7:07:39 h	87
15.07	50km	22nd Catoctin 50k Trail Run	8:19:07 h	98
11.03	50km	12th Elizabeth's Furnace Fat Ass 50 km Race	8:36:00 h	48
11.02	50km	1st Algonquin 50km Trail Race	6:35:02 h	63
15.01	50km	2nd Waterfall 50km	9:30:00 h	30
2016
10.12	50km	19th Magnus Gluteus Maximus 50 km	7:32:00 h	47
12.11	50mi	7th Stone Mill 50 Mile Run	12:22:34 h	169
13.08	32.5mi	9th Martha Moats Baker Memorial 50k	9:38:00 h	12
09.04	50mi	24th Bull Run Run 50 Miler	11:29:25 h	163
26.03	50km	3rd HARRC's Tuscarora 50K Trails Ultra	7:58:00 h	27
06.02	8h	11th 8 Hour Adventure Trail Run	51.499 km	42
2015
14.11	50mi	6th Stone Mill 50 Mile Run	11:22:35 h	159
11.07	50km	20th Catoctin 50k Trail Run	8:20:55 h	107
18.04	50km	4th Hyner View Trail Challenge 50 km	8:37:41 h	128
14.03	50km	10th Elizabeth's Furnace Fat Ass 50 km Race	8:33:00 h	43
07.02	8h	10th 8 Hour Adventure Trail Run	51.499 km	45
2014
13.12	50km	17th Magnus Gluteus Maximus 50 km	6:42:00 h	42
26.07	50km	19th Catoctin 50k Trail Run	8:11:00 h	94
26.04	50km	3rd Hyner View Trail Challenge 50 km	7:21:36 h	76
15.03	50km	9th Elizabeth's Furnace Fat Ass 50 km Race	8:06:00 h	23
22.02	71mi	9th The Reverse Ring 71-mile Run	24:35:00 h	7
01.02	8h	9th 8 Hour Adventure Trail Run	51.499 km	44
04.01	50km	3rd PHUNT 50K Run	7:35:00 h	74
2013
14.12	50km	16th Magnus Gluteus Maximus 50 km	7:01:00 h	37
13.10	50km	1st Green Monster Trail Challenge 50K	8:17:31 h	38
27.07	50km	18th Catoctin 50k Trail Run	7:21:40 h	60
15.06	40mi	11th Highlands Sky 40M Trail Run	10:10:22 h	104
18.05	100mi	19th Massanutten Mountain Trails 100 Mile	32:22:46 h	96
27.04	50km	13th Promise Land 50K++	7:27:40 h	176
13.04	50mi	21st Bull Run Run 50 Miler	10:20:07 h	138
23.03	50km	6th Terrapin Mountain 50 km Race	6:51:11 h	164
16.03	50km	8th Elizabeth's Furnace Fat Ass 50 km Race	7:58:00 h	25
02.02	8h	8th 8 Hour Adventure Trail Run	51.499 km	43
2012
05.10	100mi	5th Grindstone 100 Mile	35:29:35 h	90
01.09	71.1mi	10th The Ring 71-mile Run	25:08:00 h	9
28.04	50km	12th Promise Land 50K++	7:20:43 h	161
14.04	50mi	20th Bull Run Run 50 Miler	9:46:49 h	96
24.03	50km	5th Terrapin Mountain 50 km Race	6:23:50 h	99
03.03	50km	8th Seneca Creek Greenway Trail 50k	6:48:26 h	107
04.02	8h	7th 8 Hour Adventure Trail Run	46.188 km	77
2011
05.11	50mi	29th Mountain Masochist 50 Mile Trail Run	10:54:27 h	122
30.07	50km	16th Catoctin 50k Trail Run	8:03:56 h	62
18.06	40mi	9th Highlands Sky 40M Trail Run	9:27:08 h	73
09.04	50mi	1st Glacier Ridge Trail 50 Mile Ultramarathon	11:13:30 h	22
26.03	50km	4th Terrapin Mountain 50 km Race	6:27:40 h	79
2010
06.11	50mi	28th Mountain Masochist 50 Mile Trail Run	11:14:46 h	145
31.07	50km	15th Catoctin 50k Trail Run	7:23:03 h	63
10.07	50km	1st Skyline Challenge Trail 50k Ultra-Marathon	7:11:00 h	55
19.06	40mi	8th Highlands Sky 40M Trail Run	11:34:31 h	151
08.05	50km	12th Capon Valley 50K Run	5:42:08 h	62
10.04	50mi	18th Bull Run Run 50 Miler	9:54:46 h	131
27.03	50km	6th Bel Monte 50 km Endurance Run	6:34:45 h	27
2009
07.11	50mi	27th Mountain Masochist 50 Mile Trail Run	11:00:50 h	132
19.09	50mi	2nd Endurance Challenge - Washington D.C. Trail 50 Miles	10:16:59 h	84
01.08	50km	14th Catoctin 50k Trail Run	8:00:47 h	97
20.06	40mi	7th Highlands Sky 40M Trail Run	9:35:16 h	71
25.04	50km	9th Promise Land 50K++	7:47:43 h	123
07.03	50km	5th Seneca Creek Greenway Trail 50k	6:23:00 h	60
2008
05.10	50km	3rd Blues Cruise 50K Ultra Trail	5:29:34 h	46
02.08	50km	13th Catoctin 50k Trail Run	7:17:17 h	52
14.06	40mi	6th Highlands Sky 40M Trail Run	9:55:02 h	79
12.04	50mi	16th Bull Run Run 50 Miler	10:46:45 h	119
22.03	50km	4th Bel Monte 50 km Endurance Run	6:54:22 h	36
2007
07.10	50km	2nd Blues Cruise 50K Ultra Trail	6:03:00 h	47
04.08	50km	12th Catoctin 50k Trail Run	8:21:47 h	75
2006
10.06	40mi	4th Highlands Sky 40M Trail Run	10:08:52 h	69
25.03	50km	2nd Bel Monte 50 km Endurance Run	7:35:19 h	53
2005
14.05	50km	7th Capon Valley 50K Run	7:04:00 h	102

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	13/9/2019	6th Tahoe 200 Mile Endurance Run	325,09	×6
✓ 2	8/5/2024	4th Cocodona 125 Mile Race	201,17	×3
✓ 3	18/5/2013	19th Massanutten Mountain Trails 100 Mile	160,93	×2
✓ 4	5/10/2012	5th Grindstone 100 Mile	160,93	×2
✓ 5	1/9/2012	10th The Ring 71-mile Run	114,42	×2
✓ 6	22/2/2014	9th The Reverse Ring 71-mile Run	114,26	×2
✓ 7	8/2/2020	4th Lone Star 100 - 100 km	100,00	×1
✓ 8	28/7/2018	4th Never Summer 100k	100,00	×1
✓ 9	23/4/2022	16th 24 Hour Adventure Trail Run	90,53	×1
✓ 10	20/9/2025	4th Squatchayanda Trail Festival (Wild Goose)	80,47	×1
✓ 11	1/2/2025	13th Elephant Mountain 50 Mile	80,47	×1
✓ 12	1/12/2024	5th PPTC 50th Anniversary 50 Mile Endurance Fest	80,47	×1
✓ 13	25/3/2022	4th Greenbrier 50 Mile Midnight Madness Run	80,47	×1
✓ 14	19/6/2021	4th Old Cascadia 50 Mile Race	80,47	×1
✓ 15	2/6/2018	22nd Snow Peaks 50 Mile Trail Run	80,47	×1
✓ 16	28/4/2018	29th Zane Grey 50 Mile Endurance Run	80,47	×1
✓ 17	11/11/2017	8th Stone Mill 50 Mile Run	80,47	×1
✓ 18	14/10/2017	8th West Virginia Trilogy 50 Mile	80,47	×1
✓ 19	12/11/2016	7th Stone Mill 50 Mile Run	80,47	×1
✓ 20	9/4/2016	24th Bull Run Run 50 Miler	80,47	×1
✓ 21	14/11/2015	6th Stone Mill 50 Mile Run	80,47	×1
✓ 22	13/4/2013	21st Bull Run Run 50 Miler	80,47	×1
✓ 23	14/4/2012	20th Bull Run Run 50 Miler	80,47	×1
✓ 24	5/11/2011	29th Mountain Masochist 50 Mile Trail Run	80,47	×1
✓ 25	9/4/2011	1st Glacier Ridge Trail 50 Mile Ultramarathon	80,47	×1
✓ 26	6/11/2010	28th Mountain Masochist 50 Mile Trail Run	80,47	×1
✓ 27	10/4/2010	18th Bull Run Run 50 Miler	80,47	×1
✓ 28	7/11/2009	27th Mountain Masochist 50 Mile Trail Run	80,47	×1
✓ 29	19/9/2009	2nd Endurance Challenge - Washington D.C. Trail 50 Miles	80,47	×1
✓ 30	12/4/2008	16th Bull Run Run 50 Miler	80,47	×1
✓ 31	29/5/2021	3rd Cow Bone 24 Hour Trail Run	79,66	×1
✓ 32	20/6/2026	10th Many On The Genny 45 Mile Trail Ultra	72,42	×1
✓ 33	29/3/2025	3rd Hone Quarry 40 Miler	64,37	×1
✓ 34	23/3/2024	2nd Hone Quarry 40 Miler	64,37	×1
✓ 35	27/3/2021	7th Naked Bavarian 40 Miler	64,37	×1
✓ 36	8/6/2019	16th Highlands Sky 40M Trail Run	64,37	×1
✓ 37	15/6/2013	11th Highlands Sky 40M Trail Run	64,37	×1
✓ 38	18/6/2011	9th Highlands Sky 40M Trail Run	64,37	×1
✓ 39	19/6/2010	8th Highlands Sky 40M Trail Run	64,37	×1
✓ 40	20/6/2009	7th Highlands Sky 40M Trail Run	64,37	×1
✓ 41	14/6/2008	6th Highlands Sky 40M Trail Run	64,37	×1
✓ 42	10/6/2006	4th Highlands Sky 40M Trail Run	64,37	×1
✓ 43	25/10/2025	1st Delaware Trail Fest	60,00	×1
✓ 44	3/11/2024	14th Fire on the Mountain 50k Ultra Marathon	52,79	—
✓ 45	6/11/2022	12th Fire on the Mountain 50k Ultra Marathon	52,79	—
✓ 46	13/8/2016	9th Martha Moats Baker Memorial 50k	52,30	—
✓ 47	22/6/2019	4th The Broken Arrow Skyrace	52,00	—
✓ 48	6/2/2016	11th 8 Hour Adventure Trail Run	51,50	—
✓ 49	7/2/2015	10th 8 Hour Adventure Trail Run	51,50	—
✓ 50	1/2/2014	9th 8 Hour Adventure Trail Run	51,50	—
✓ 51	2/2/2013	8th 8 Hour Adventure Trail Run	51,50	—
52	12/9/2026	11th Boulder Field 100 - 50 km Ultra Run	50,00	—
53	1/8/2026	21st HURL Elkhorn 50 km Endurance Run	50,00	—
54	9/5/2026	16th Dirty German Endurance Fest 50 km	50,00	—
55	7/3/2026	6th Squatchapple 50 km Race	50,00	—
56	9/8/2025	18th Martha Moats Baker Memorial 50k	50,00	—
57	25/5/2025	11th Holy Cowan's Gap 50k+	50,00	—
58	8/3/2025	20th Seneca Creek Greenway Trail 50k	50,00	—
59	18/1/2025	13th PHUNT 50K Run	50,00	—
60	24/8/2024	2nd TPK Debauchery	50,00	—
61	20/7/2024	12th Catherine's 50k Run	50,00	—
62	17/12/2023	6th Naked Nick 50 km Race	50,00	—
63	5/8/2023	11th Volcanic 50	50,00	—
64	25/3/2023	5th Greenbrier 50k Fun Run	50,00	—
65	9/10/2022	10th Green Monster Trail Challenge 50K	50,00	—
66	24/7/2021	9th Catherine's 50k Run	50,00	—
67	23/11/2019	9th Little Gunpowder 50K	50,00	—
68	28/4/2019	10th Ironmasters Challenge 50k Ultra	50,00	—
69	23/3/2019	6th HARRC's Tuscarora 50K Trails Ultra	50,00	—
70	17/11/2018	8th Little Gunpowder 50K	50,00	—
71	12/10/2018	9th West Virginia Trilogy 50 km	50,00	—
72	15/9/2018	3rd Boulder Field 100 - 50 km Ultra Run	50,00	—
73	17/3/2018	13th Elizabeth's Furnace Fat Ass 50 km Race	50,00	—
74	10/2/2018	2nd Algonquin 50km Trail Race	50,00	—
75	16/9/2017	2nd Boulder Field 100 - 50 km Ultra Run	50,00	—
76	15/7/2017	22nd Catoctin 50k Trail Run	50,00	—
77	11/3/2017	12th Elizabeth's Furnace Fat Ass 50 km Race	50,00	—
78	11/2/2017	1st Algonquin 50km Trail Race	50,00	—
79	15/1/2017	2nd Waterfall 50km	50,00	—
80	10/12/2016	19th Magnus Gluteus Maximus 50 km	50,00	—
81	26/3/2016	3rd HARRC's Tuscarora 50K Trails Ultra	50,00	—
82	11/7/2015	20th Catoctin 50k Trail Run	50,00	—
83	18/4/2015	4th Hyner View Trail Challenge 50 km	50,00	—
84	14/3/2015	10th Elizabeth's Furnace Fat Ass 50 km Race	50,00	—
85	13/12/2014	17th Magnus Gluteus Maximus 50 km	50,00	—
86	26/7/2014	19th Catoctin 50k Trail Run	50,00	—
87	26/4/2014	3rd Hyner View Trail Challenge 50 km	50,00	—
88	15/3/2014	9th Elizabeth's Furnace Fat Ass 50 km Race	50,00	—
89	4/1/2014	3rd PHUNT 50K Run	50,00	—
90	14/12/2013	16th Magnus Gluteus Maximus 50 km	50,00	—
91	13/10/2013	1st Green Monster Trail Challenge 50K	50,00	—
92	27/7/2013	18th Catoctin 50k Trail Run	50,00	—
93	27/4/2013	13th Promise Land 50K++	50,00	—
94	23/3/2013	6th Terrapin Mountain 50 km Race	50,00	—
95	16/3/2013	8th Elizabeth's Furnace Fat Ass 50 km Race	50,00	—
96	28/4/2012	12th Promise Land 50K++	50,00	—
97	24/3/2012	5th Terrapin Mountain 50 km Race	50,00	—
98	3/3/2012	8th Seneca Creek Greenway Trail 50k	50,00	—
99	30/7/2011	16th Catoctin 50k Trail Run	50,00	—
100	26/3/2011	4th Terrapin Mountain 50 km Race	50,00	—
101	31/7/2010	15th Catoctin 50k Trail Run	50,00	—
102	10/7/2010	1st Skyline Challenge Trail 50k Ultra-Marathon	50,00	—
103	8/5/2010	12th Capon Valley 50K Run	50,00	—
104	27/3/2010	6th Bel Monte 50 km Endurance Run	50,00	—
105	1/8/2009	14th Catoctin 50k Trail Run	50,00	—
106	25/4/2009	9th Promise Land 50K++	50,00	—
107	7/3/2009	5th Seneca Creek Greenway Trail 50k	50,00	—
108	5/10/2008	3rd Blues Cruise 50K Ultra Trail	50,00	—
109	2/8/2008	13th Catoctin 50k Trail Run	50,00	—
110	22/3/2008	4th Bel Monte 50 km Endurance Run	50,00	—
111	7/10/2007	2nd Blues Cruise 50K Ultra Trail	50,00	—
112	4/8/2007	12th Catoctin 50k Trail Run	50,00	—
113	25/3/2006	2nd Bel Monte 50 km Endurance Run	50,00	—
114	14/5/2005	7th Capon Valley 50K Run	50,00	—
115	4/2/2012	7th 8 Hour Adventure Trail Run	46,19	—
116	3/8/2024	3rd RunPA Trail Jamboree 24h	45,06	—