David Horton

Born : 1950 Cat. M75 Ultrarunner since 1979

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

10,1%

Rank quotient ?This runner's calculation uses 123 eligible race(s): Σ(rank − 1) = 1 687; Σ finishers = 16 673. 1 687 / 16 673 × 100 = 10.12%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed200

Km — ultra races16 361 km

> 100 km31

> 160 km26

> 200 km5

> 24h1

> 48h1

Longest race4 676,9 km

Trans America Footrace IV — 17/6/1995

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road6,7%

Trail57,8%

Stage35,5%

Wins & podiums (ultra)

🏆 Win25

🏆 Win M27

🏅 Top 360

🏅 Top 3 M60

Longest winning streak3

Current streak0

Records

50 km4h21'00 100 km7h44'45 50 mi5h46'16 100 mi14h26'25 12 h123,11 km

HISTORY

123 race(s) · 2 split(s) nested

Date		Race	Perf.	Rk
2016
02.01	55km	4th The Pistol 55 km Ultra Run	8:31:45 h	120
2015
04.09	84h	1st A Race for the Ages	53.108 km	150
2009
10.10	50mi	28th Le Grizz 50 Mile Ultramarathon	8:25:09 h	9
20.06	50mi	15th San Juan Solstice 50 Mile Run	13:46:37 h	57
30.05	50km	3rd SweetH2O 50 km	6:40:15 h	85
24.01	50km	15th Mountain Mist 50k	5:45:09 h	53
2008
01.11	50mi	26th Mountain Masochist 50 Mile Trail Run	9:56:07 h	54
2007
28.07	50mi	15th White River 50 Mile Trail Run	9:43:15 h	49
2006
18.11	50mi	44th JFK 50 Mile	7:57:25 h	67
07.10	50mi	1st Iron Mountain 50 Mile Trail Run	9:13:00 h	7
09.09	50km	22th Groundhog Fall 50K	4:51:00 h	27
10.06	40mi	4th Highlands Sky 40M Trail Run	9:10:39 h	32
06.05	50km	8th Capon Valley 50K Run	5:16:10 h	26
25.03	50km	2nd Bel Monte 50 km Endurance Run	6:04:59 h	19
28.01	50km	12th Mountain Mist 50k	5:39:38 h	66
2005
09.04	50mi	13th Bull Run Run 50 Miler	9:03:37 h	45
26.03	50km	1st Bel Monte 50 km Endurance Run	6:10:56 h	24
18.03	120km/3stages	1st Three Days of Syllamo Stage Race	14:10:03 h	7
2004
13.11	50mi	12th Kentucky Arches 50 Mile	6:30:00 h	2 🥈
11.09	50km	20th Groundhog Fall 50K	4:42:53 h	21
18.06	100mi	13th Bighorn Mountain Wild & Scenic 100mi Trail Run	25:22:29 h	4
03.04	60mi	9th The Barkley Marathons 60 Mile Fun Run	30:57:09 h	1 🏆
28.02	40mi	6th Mount Mitchell Challenge	6:10:51 h	14
07.02	40mi	12th Uwharrie Mountain Run	7:16:27 h	3 🥉
2003
26.09	100mi	5th The Bear 100 Mile Endurance Run	26:35:25 h	11
06.09	50km	19th Groundhog Fall 50K	4:34:27 h	12
02.08	50mi	11th White River 50 Mile Trail Run	9:52:22 h	66
14.06	40mi	1st Highlands Sky 40M Trail Run	8:04:15 h	12
12.04	50mi	11th Bull Run Run 50 Miler	8:33:51 h	30
01.02	40mi	11th Uwharrie Mountain Run	7:23:43 h	10
2002
23.11	50mi	40th JFK 50 Mile	7:33:25 h	25
07.09	71.1mi	1st The Ring 71-mile Run	19:51:00 h	3 🥉
10.08	50km	7th Catoctin 50k Trail Run	5:56:05 h	8
27.07	50mi	10th White River 50 Mile Trail Run	9:07:04 h	38
22.06	50mi	8th San Juan Solstice 50 Mile Run	11:11:07 h	19
09.03	50km	13th Way Too Cool 50K Endurance Run	4:33:25 h	50
2001
12.03	60mi	7th The Barkley Marathons 60 Mile Fun Run	31:18:00 h	1 🏆
12.03	100mi	7th The Barkley Marathons 100 Mile	2d 10:21:00 h	1 🏆
2000
16.12	50km	3rd Snowflake 50K Trail Run	4:34:37 h	4
04.11	50mi	38th JFK 50 Mile	7:37:13 h	38
07.07	100mi	8th Hardrock Hundred Endurance Run	30:12:23 h	3 🥉
11.06	50km	Double Trouble 50 km Trail Run	5:26:44 h	10
20.05	50km	2nd Capon Valley 50K Run	4:27:24 h	14
15.04	50mi	8th Bull Run Run 50 Miler	7:57:03 h	13
26.02	40mi	2nd Mount Mitchell Challenge	5:45:00 h	6
1999
11.09	50km	15th Groundhog Fall 50K	4:21:00 h	4
24.07	47.6mi	7th White River 50 Mile Trail Run	8:22:19 h	15
10.07	50km	5th Rattlesnake Trail 50K Ultrarun	4:45:38 h	8
27.02	40mi	1st Mount Mitchell Challenge	6:08:28 h	4
23.01	50km	5th Mountain Mist 50k	4:57:30 h	9
1998
12.12	50mi	9th Sunmart Texas Trails 50 Mile	6:59:47 h	10
10.07	100mi	6th Hardrock Hundred Endurance Run	30:27:00 h	2 🥈
04.04	60mi	4th The Barkley Marathons 60 Mile Fun Run	30:23:00 h	1 🏆
1997
22.11	50mi	35th JFK 50 Mile	7:15:59 h	21
18.09	158mi/4stages	Trail Run Across the Commonwealth	28:36:42 h	3 🥉
01.09	158mi/4stages	Trail Run Across the Commonwealth	28:36:42 h	3 🥉
28.06	100mi	24th Western States 100 Mile Endurance Run	21:39:49 h	40
12.04	50mi	5th Bull Run Run 50 Miler	7:54:18 h	16
15.02	50km	5th Sylamore Trail 50k Run	4:31:05 h	2 🥈
08.02	40mi	5th Uwharrie Mountain Run	6:44:54 h	4
1996
31.08	50mi	13th Groundhog Classic 50 Mile	7:53:00 h	6
12.07	100mi	4th Hardrock Hundred Endurance Run	31:40:59 h	3 🥉
30.03	50mi	3rd GNC 50 Mile Run Challenge	6:35:59 h	11
1995
18.11	50mi	33rd JFK 50 Mile	6:54:47 h	6
17.06	2906.1mi/64stages	Trans America Footrace IV	18d 17:26:51 h	3 🥉
08.04	50mi	3rd Bull Run Run 50 Miler	7:46:24 h	3 🥉
25.02	50mi	8th Wild Oak Trail 50 Mile Race	10:36:32 h	4
1994
19.11	50mi	32nd JFK 50 Mile	6:16:20 h	5
01.09	158mi/4stages	Trail Run Across the Commonwealth	26:47:20 h	1 🏆
1993
20.11	50mi	31st JFK 50 Mile	6:40:59 h	2 🥈
09.10	100mi	3rd Arkansas Traveller 100	17:30:39 h	1 🏆
11.09	50mi	10th Groundhog Fall 50 Mile Endurance Run	7:15:39 h	4
01.09	158mi/4stages	Trail Run Across the Commonwealth	29:17:16 h	1 🏆
09.07	100mi	2nd Hardrock Hundred Endurance Run	29:35:48 h	1 🏆
12.06	70.5mi	14th Laurel Highlands 70 Mile Ultra	12:11:27 h	2 🥈
17.04	50mi	1st Bull Run Run 50 Miler	8:15:00 h	3 🥉
1992
21.11	50mi	30th JFK 50 Mile	6:36:30 h	3 🥉
10.10	100mi	2nd Arkansas Traveller 100	18:46:47 h	3 🥉
12.09	50mi	9th Groundhog Fall 50 Mile Endurance Run	7:00:36 h	4
10.07	100mi	1st Hardrock Hundred Endurance Run	32:24:00 h	1 🏆
06.06	100mi	14th Old Dominion 100 Mile Endurance Run	16:38:00 h	2 🥈
1991
23.11	50mi	29th JFK 50 Mile	6:26:32 h	2 🥈
05.10	100mi	1st Arkansas Traveller 100	17:19:28 h	1 🏆
07.09	50mi	8th Groundhog Fall 50 Mile Endurance Run	6:50:40 h	3 🥉
1990
17.11	50mi	28th JFK 50 Mile	6:16:39 h	2 🥈
08.09	50mi	7th Groundhog Fall 50 Mile Endurance Run	6:47:14 h	3 🥉
09.06	100mi	12th Old Dominion 100 Mile Endurance Run	20:33:00 h	3 🥉
05.05	50mi	2nd Ouachita Trail 50 Mile	7:10:47 h	1 🏆
1989
18.11	50mi	27th JFK 50 Mile	6:37:17 h	3 🥉
11.11	46mi	8th Pine Mountain Trail Run	7:53:28 h	1 🏆
09.09	50mi	6th Groundhog Fall 50 Mile Endurance Run	7:03:25 h	2 🥈
1988
19.11	50mi	26th JFK 50 Mile	6:32:22 h	2 🥈
10.09	50mi	5th Groundhog Fall 50 Mile Endurance Run	6:47:13 h	1 🏆
20.08	100mi	6th Leadville Trail 100 Mile	22:04:59 h	10
11.06	100mi	10th Old Dominion 100 Mile Endurance Run	18:38:00 h	1 🏆
1987
21.11	50mi	25th JFK 50 Mile	10:25:11 h	120
12.09	50mi	4th Groundhog Fall 50 Mile Endurance Run	6:24:33 h	1 🏆
1986
11.10	100mi	1st Sri Chinmoy 100 Mile Road Race	14:26:25 h	3 🥉
11.10	50mi	1st Sri Chinmoy 100 Mile Road Race - 50mi Split	6:20:42 h	2 🥈
11.10	100km	1st Sri Chinmoy 100 Mile Road Race - 100km Split	8:12:35 h	3 🥉
13.09	50mi	3rd Groundhog Fall 50 Mile Endurance Run	6:24:00 h	1 🏆
1985
23.11	50mi	23rd JFK 50 Mile	6:16:00 h	1 🏆
14.09	50mi	2nd Groundhog Fall 50 Mile Endurance Run	7:27:18 h	1 🏆
08.06	100mi	7th Old Dominion 100 Mile Endurance Run	18:31:00 h	3 🥉
1984
17.11	50mi	22nd JFK 50 Mile	6:30:02 h	2 🥈
07.10	36mi	National Capital 36 Mile Run	3:44:47 h	2 🥈
20.05	50mi	3rd Ice Age Trail 50 Mile Run	6:51:26 h	3 🥉
01.04	100km	Natural Light Ultra Classic 100 km	7:44:45 h	1 🏆
1983
29.10	50mi	1st Mountain Masochist 50 Mile Trail Run	7:29:28 h	1 🏆
09.10	36mi	National Capital 36 Mile Run	3:41:25 h	2 🥈
25.06	93.5mi	10th Western States 100 Mile Endurance Run	18:39:00 h	9
07.05	40mi	5th Strolling Jim 40 Mile	4:38:27 h	2 🥈
02.04	50mi	Capital City 50 Mile Road Race	5:46:16 h	1 🏆
1982
20.11	50mi	20th JFK 50 Mile	6:33:29 h	7
23.10	50mi	First Arkie Ultra 50 Mile	5:59:03 h	1 🏆
03.10	50mi	AMJA 50 Mile Ultramarathon	6:25:50 h	30
05.06	100mi	4th Old Dominion 100 Mile Endurance Run	18:25:00 h	3 🥉
31.03	48mi	1st Cross Timbers Trail Run	8:57:00 h	1 🏆
16.01	50mi	Jackson Five-O - Edition A	6:18:23 h	1 🏆
1981
31.10	12h	Goblin Gallop 12 Hour Run	123.114 km	1 🏆
06.06	100mi	3rd Old Dominion 100 Mile Endurance Run	18:44:00 h	2 🥈
28.03	50mi	Capitol-to-Capitol 50 Miler	5:58:45 h	2 🥈
1980
22.11	50mi	18th JFK 50 Mile	7:09:39 h	13
14.06	100mi	2nd Old Dominion 100 Mile Endurance Run	21:45:46 h	10
1979
17.11	50mi	17th JFK 50 Mile	7:43:16 h	24

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	17/6/1995	Trans America Footrace IV	4 676,91	×52
✓ 2	18/9/1997	Trail Run Across the Commonwealth (TRAC)	254,28	×2
✓ 3	1/9/1997	Trail Run Across the Commonwealth (TRAC)	254,28	×2
✓ 4	1/9/1994	Trail Run Across the Commonwealth (TRAC)	254,28	×2
✓ 5	1/9/1993	Trail Run Across the Commonwealth (TRAC)	254,28	×2
✓ 6	18/6/2004	13th Bighorn Mountain Wild & Scenic 100mi Trail Run	160,93	×1
✓ 7	26/9/2003	5th The Bear 100 Mile Endurance Run	160,93	×1
✓ 8	12/3/2001	7th The Barkley Marathons 100 Mile	160,93	×1
✓ 9	7/7/2000	8th Hardrock Hundred Endurance Run	160,93	×1
✓ 10	10/7/1998	6th Hardrock Hundred Endurance Run	160,93	×1
✓ 11	28/6/1997	24th Western States 100 Mile Endurance Run	160,93	×1
✓ 12	12/7/1996	4th Hardrock Hundred Endurance Run	160,93	×1
✓ 13	9/10/1993	3rd Arkansas Traveller 100	160,93	×1
✓ 14	9/7/1993	2nd Hardrock Hundred Endurance Run	160,93	×1
✓ 15	10/10/1992	2nd Arkansas Traveller 100	160,93	×1
✓ 16	10/7/1992	1st Hardrock Hundred Endurance Run	160,93	×1
✓ 17	6/6/1992	14th Old Dominion 100 Mile Endurance Run	160,93	×1
✓ 18	5/10/1991	1st Arkansas Traveller 100	160,93	×1
✓ 19	9/6/1990	12th Old Dominion 100 Mile Endurance Run	160,93	×1
✓ 20	20/8/1988	6th Leadville Trail 100 Mile	160,93	×1
✓ 21	11/6/1988	10th Old Dominion 100 Mile Endurance Run	160,93	×1
✓ 22	11/10/1986	1st Sri Chinmoy 100 Mile Road Race	160,93	×1
✓ 23	8/6/1985	7th Old Dominion 100 Mile Endurance Run	160,93	×1
✓ 24	5/6/1982	4th Old Dominion 100 Mile Endurance Run	160,93	×1
✓ 25	6/6/1981	3rd Old Dominion 100 Mile Endurance Run	160,93	×1
✓ 26	14/6/1980	2nd Old Dominion 100 Mile Endurance Run	160,93	×1
✓ 27	25/6/1983	10th Western States 100 Mile Endurance Run	150,47	×1
✓ 28	31/10/1981	Goblin Gallop 12 Hour Run	123,11	×1
✓ 29	18/3/2005	1st Three Days of Syllamo Stage Race	120,00	×1
✓ 30	7/9/2002	1st The Ring 71-mile Run	114,42	×1
✓ 31	12/6/1993	14th Laurel Highlands 70 Mile Ultra	113,46	×1
✓ 32	1/4/1984	Natural Light Ultra Classic 100 km	100,00	×1
✓ 33	3/4/2004	9th The Barkley Marathons 60 Mile Fun Run	96,56	×1
✓ 34	4/4/1998	4th The Barkley Marathons 60 Mile Fun Run	96,56	×1
✓ 35	10/10/2009	28th Le Grizz 50 Mile Ultramarathon	80,47	—
✓ 36	20/6/2009	15th San Juan Solstice 50 Mile Run	80,47	—
✓ 37	1/11/2008	26th Mountain Masochist 50 Mile Trail Run	80,47	—
✓ 38	28/7/2007	15th White River 50 Mile Trail Run	80,47	—
✓ 39	18/11/2006	44th JFK 50 Mile	80,47	—
✓ 40	7/10/2006	1st Iron Mountain 50 Mile Trail Run	80,47	—
✓ 41	9/4/2005	13th Bull Run Run 50 Miler	80,47	—
✓ 42	13/11/2004	12th Kentucky Arches 50 Mile	80,47	—
✓ 43	2/8/2003	11th White River 50 Mile Trail Run	80,47	—
✓ 44	12/4/2003	11th Bull Run Run 50 Miler	80,47	—
✓ 45	23/11/2002	40th JFK 50 Mile	80,47	—
✓ 46	27/7/2002	10th White River 50 Mile Trail Run	80,47	—
✓ 47	22/6/2002	8th San Juan Solstice 50 Mile Run	80,47	—
✓ 48	4/11/2000	38th JFK 50 Mile	80,47	—
✓ 49	15/4/2000	8th Bull Run Run 50 Miler	80,47	—
✓ 50	12/12/1998	9th Sunmart Texas Trails 50 Mile	80,47	—
✓ 51	22/11/1997	35th JFK 50 Mile	80,47	—
✓ 52	12/4/1997	5th Bull Run Run 50 Miler	80,47	—
✓ 53	31/8/1996	13th Groundhog Classic 50 Mile	80,47	—
✓ 54	30/3/1996	3rd GNC 50 Mile Run Challenge	80,47	—
✓ 55	18/11/1995	33rd JFK 50 Mile	80,47	—
✓ 56	8/4/1995	3rd Bull Run Run 50 Miler	80,47	—
✓ 57	25/2/1995	8th Wild Oak Trail 50 Mile Race	80,47	—
✓ 58	19/11/1994	32nd JFK 50 Mile	80,47	—
✓ 59	20/11/1993	31st JFK 50 Mile	80,47	—
✓ 60	11/9/1993	10th Groundhog Fall 50 Mile Endurance Run	80,47	—
✓ 61	17/4/1993	1st Bull Run Run 50 Miler	80,47	—
✓ 62	21/11/1992	30th JFK 50 Mile	80,47	—
✓ 63	12/9/1992	9th Groundhog Fall 50 Mile Endurance Run	80,47	—
✓ 64	23/11/1991	29th JFK 50 Mile	80,47	—
✓ 65	7/9/1991	8th Groundhog Fall 50 Mile Endurance Run	80,47	—
✓ 66	17/11/1990	28th JFK 50 Mile	80,47	—
✓ 67	8/9/1990	7th Groundhog Fall 50 Mile Endurance Run	80,47	—
✓ 68	5/5/1990	2nd Ouachita Trail 50 Mile	80,47	—
✓ 69	18/11/1989	27th JFK 50 Mile	80,47	—
✓ 70	9/9/1989	6th Groundhog Fall 50 Mile Endurance Run	80,47	—
✓ 71	19/11/1988	26th JFK 50 Mile	80,47	—
✓ 72	10/9/1988	5th Groundhog Fall 50 Mile Endurance Run	80,47	—
✓ 73	21/11/1987	25th JFK 50 Mile	80,47	—
✓ 74	12/9/1987	4th Groundhog Fall 50 Mile Endurance Run	80,47	—
✓ 75	13/9/1986	3rd Groundhog Fall 50 Mile Endurance Run	80,47	—
✓ 76	23/11/1985	23rd JFK 50 Mile	80,47	—
✓ 77	14/9/1985	2nd Groundhog Fall 50 Mile Endurance Run	80,47	—
✓ 78	17/11/1984	22nd JFK 50 Mile	80,47	—
✓ 79	20/5/1984	3rd Ice Age Trail 50 Mile Run	80,47	—
✓ 80	29/10/1983	1st Mountain Masochist 50 Mile Trail Run	80,47	—
81	2/4/1983	Capital City 50 Mile Road Race	80,47	—
82	20/11/1982	20th JFK 50 Mile	80,47	—
83	23/10/1982	First Arkie Ultra 50 Mile	80,47	—
84	3/10/1982	AMJA 50 Mile Ultramarathon	80,47	—
85	16/1/1982	Jackson Five-O - Edition A	80,47	—
86	28/3/1981	Capitol-to-Capitol 50 Miler	80,47	—
87	22/11/1980	18th JFK 50 Mile	80,47	—
88	17/11/1979	17th JFK 50 Mile	80,47	—
89	31/3/1982	1st Cross Timbers Trail Run	77,25	—
90	24/7/1999	7th White River 50 Mile Trail Run	76,60	—
91	11/11/1989	8th Pine Mountain Trail Run	74,03	—
92	10/6/2006	4th Highlands Sky 40M Trail Run	64,37	—
93	28/2/2004	6th Mount Mitchell Challenge	64,37	—
94	7/2/2004	12th Uwharrie Mountain Run	64,37	—
95	14/6/2003	1st Highlands Sky 40M Trail Run	64,37	—
96	1/2/2003	11th Uwharrie Mountain Run	64,37	—
97	26/2/2000	2nd Mount Mitchell Challenge	64,37	—
98	27/2/1999	1st Mount Mitchell Challenge	64,37	—
99	8/2/1997	5th Uwharrie Mountain Run	64,37	—
100	7/5/1983	5th Strolling Jim 40 Mile	64,37	—
101	7/10/1984	National Capital 36 Mile Run	57,94	—
102	9/10/1983	National Capital 36 Mile Run	57,94	—
103	2/1/2016	4th The Pistol 55 km Ultra Run	55,00	—
104	4/9/2015	1st A Race for the Ages	53,11	—
105	30/5/2009	3rd SweetH2O 50 km	50,00	—
106	24/1/2009	15th Mountain Mist 50k	50,00	—
107	9/9/2006	22th Groundhog Fall 50K	50,00	—
108	6/5/2006	8th Capon Valley 50K Run	50,00	—
109	25/3/2006	2nd Bel Monte 50 km Endurance Run	50,00	—
110	28/1/2006	12th Mountain Mist 50k	50,00	—
111	26/3/2005	1st Bel Monte 50 km Endurance Run	50,00	—
112	11/9/2004	20th Groundhog Fall 50K	50,00	—
113	6/9/2003	19th Groundhog Fall 50K	50,00	—
114	10/8/2002	7th Catoctin 50k Trail Run	50,00	—
115	9/3/2002	13th Way Too Cool 50K Endurance Run	50,00	—
116	16/12/2000	3rd Snowflake 50K Trail Run	50,00	—
117	11/6/2000	Double Trouble 50 km Trail Run	50,00	—
118	20/5/2000	2nd Capon Valley 50K Run	50,00	—
119	11/9/1999	15th Groundhog Fall 50K	50,00	—
120	10/7/1999	5th Rattlesnake Trail 50K Ultrarun	50,00	—
121	23/1/1999	5th Mountain Mist 50k	50,00	—
122	15/2/1997	5th Sylamore Trail 50k Run	50,00	—