Joseph Clapper

Born : 1958 Cat. M65 Ultrarunner since 1986

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 ?

Morocco

United States

25,6%

Rank quotient ?This runner's calculation uses 118 eligible race(s): Σ(rank − 1) = 3 174; Σ finishers = 12 382. 3 174 / 12 382 × 100 = 25.63%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed133

Km — ultra races9 781 km

> 100 km22

> 160 km19

> 200 km3

Longest race280,0 km

5ème Trans Atlas Marathon — 12/5/2017

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Trail88,9%

Stage11,1%

Wins & podiums (ultra)

🏆 Win4

🏆 Win M4

🏅 Top 310

🏅 Top 3 M10

Longest winning streak1

Current streak0

Records

50 km3h43'40 100 km12h37'47 50 mi7h20'42 100 mi19h11'34

HISTORY

118 race(s)

Date		Race	Perf.	Rk
2022
19.11	50km	8th Dead Horse 50 km Race	6:39:03 h	226
2020
11.07	100km	7th Beaverhead 100K Endurance Run	18:17:28 h	96
2017
12.05	280km/6stages	5ème Trans Atlas Marathon	2d 20:48:05 h	16
2016
10.12	50km	19th Magnus Gluteus Maximus 50 km	6:39:00 h	31
2015
26.12	40mi	3rd Boyer's Furnace 40 Mile Race	9:40:00 h	10
10.10	50mi	6th West Virginia Trilogy 50 Mile	13:35:14 h	44
09.10	50km	6th West Virginia Trilogy 50 km	7:19:46 h	42
09.10	150km/3stages	6th West Virginia Trilogy Stage Race	24:06:06 h	35
12.09	50km	2nd The Big Schloss 50K	8:26:00 h	27
20.06	54mi	3rd Manitou's Revenge Ultramarathon	18:45:51 h	54
11.04	50mi	23rd Bull Run Run 50 Miler	10:14:49 h	118
21.03	50km	11th Seneca Creek Greenway Trail 50k	6:45:17 h	44
2013
28.12	40mi	1st Boyer's Furnace 40 Mile Race	9:53:00 h	12
12.10	50mi	4th West Virginia Trilogy 50 Mile	12:42:06 h	20
11.10	50km	4th West Virginia Trilogy 50 km	7:00:46 h	19
11.10	150km/3stages	4th West Virginia Trilogy Stage Race	22:10:27 h	15
27.07	50km	18th Catoctin 50k Trail Run	7:49:30 h	89
22.06	54mi	1st Manitou's Revenge Ultramarathon	20:18:15 h	31
2012
19.05	50km	14th Capon Valley 50K Run	5:06:37 h	20
10.03	50km	7th Elizabeth's Furnace Fat Ass 50 km Race	7:04:00 h	9
03.03	50km	8th Seneca Creek Greenway Trail 50k	5:47:43 h	48
2011
19.11	50mi	2nd Stone Mill 50 Mile Run	10:41:14 h	56
23.07	50km	2nd Catherine's 50k Run	7:04:00 h	18
07.05	50km	13th Capon Valley 50K Run	5:13:51 h	12
26.03	50km	7th Bel Monte 50 km Endurance Run	6:43:03 h	29
19.03	50km	23rd The HAT Run 50K	5:58:55 h	126
12.03	50km	6th Elizabeth's Furnace Fat Ass 50 km Race	6:55:00 h	7
26.02	50km	3rd Hashawha Hills 50 km Trail Run	5:27:13 h	21
2010
31.07	50km	15th Catoctin 50k Trail Run	7:12:38 h	53
19.06	40mi	8th Highlands Sky 40M Trail Run	9:05:58 h	57
08.05	50km	12th Capon Valley 50K Run	5:20:17 h	38
13.03	50km	5th Elizabeth's Furnace Fat Ass 50 km Race	7:43:00 h	9
2009
17.10	50mi	SMUT 50 Mile Run	14:30:00 h	7
10.07	100mi	16th Hardrock Hundred Endurance Run	39:11:09 h	56
20.06	40mi	7th Highlands Sky 40M Trail Run	8:12:13 h	21
16.05	100mi	15th Massanutten Mountain Trails 100 Mile	26:22:18 h	13
14.03	50km	4th Elizabeth's Furnace Fat Ass 50 km Race	6:37:00 h	7
28.02	50km	2nd Hashawha Hills 50 km Trail Run	4:50:00 h	3 🥉
2008
13.12	50km	13th Magnus Gluteus Maximus 50 km	5:40:00 h	10
14.06	40mi	6th Highlands Sky 40M Trail Run	7:46:01 h	16
17.05	100mi	14th Massanutten Mountain Trails 100 Mile	26:35:10 h	11
22.03	50mi	4th Bel Monte 50 Mile Endurance Run	9:59:38 h	4
15.03	50km	3rd Elizabeth's Furnace Fat Ass 50 km Race	6:20:38 h	5
01.03	50km	4th Seneca Creek Greenway Trail 50k	4:43:03 h	13
23.02	50km	1st Hashawha Hills 50 km Trail Run	4:48:36 h	1 🏆
2007
15.12	50km	12th Magnus Gluteus Maximus 50 km	5:38:00 h	23
01.09	71.1mi	5th The Ring 71-mile Run	17:59:00 h	2 🥈
04.08	50km	12th Catoctin 50k Trail Run	6:06:06 h	10
2006
06.05	100km	11th Miwok 100k Trail race	12:37:47 h	106
08.04	50mi	14th Bull Run Run 50 Miler	8:31:42 h	14
25.03	50km	18th The HAT Run 50K	4:40:51 h	31
04.03	50km	2nd Seneca Creek Greenway Trail 50k	5:13:59 h	16
2005
10.12	50km	10th Magnus Gluteus Maximus - Potchari Hippu 50 km	5:33:00 h	5
17.06	100mi	14th Bighorn Mountain Wild & Scenic 100mi Trail Run	29:36:28 h	13
14.05	50km	7th Capon Valley 50K Run	5:40:52 h	35
09.04	50mi	13th Bull Run Run 50 Miler	8:58:23 h	41
19.03	50km	17th The HAT Run 50K	5:11:55 h	73
2004
11.12	50km	9th Magnus Gluteus Maximus - Ponga Craka 50 km	6:15:00 h	20
07.08	50km	9th Catoctin 50k Trail Run	6:12:08 h	17
17.04	50mi	12th Bull Run Run 50 Miler	8:43:24 h	34
27.03	50km	16th The HAT Run 50K	4:53:09 h	35
2003
14.12	50km	8th Magnus Gluteus Maximus - Tai Aon Yaon 50 km	6:24:00 h	9
17.05	50km	5th Capon Valley 50K Run	4:27:55 h	14
2002
14.12	50km	7th Magnus Gluteus Maximus - Fat Taffy Kiss 50 km	6:05:57 h	15
09.11	50mi	2nd Stone Cat 50 Mile	8:21:21 h	7
2001
15.12	50km	6th Magnus Gluteus Maximus - Nui Loa Okole 50 km	5:49:00 h	18
2000
16.12	50km	5th Magnus Gluteus Maximus - Pang Pigu Wu Shi Gongli 50 km	5:58:00 h	9
05.08	50km	5th Catoctin 50k Trail Run	6:14:22 h	14
20.05	50km	2nd Capon Valley 50K Run	4:16:17 h	7
26.02	40mi	2nd Mount Mitchell Challenge	6:28:51 h	20
1999
04.12	50mi	10th Sunmart Texas Trails 50 Mile	7:20:42 h	27
06.11	50mi	17th Mountain Masochist 50 Mile Trail Run	9:08:54 h	22
03.10	50mi	6th Vermont 50 Miles Ultra Run	8:13:57 h	8
13.03	50km	3rd Catoctin 50k Trail Run	6:00:00 h	1 🏆
1998
12.12	50km	3rd Magnus Gluteus Maximus - Bufu-Bufu Baty 50 km	5:16:00 h	5
03.10	45mi	8th Andiamo 45 Mile Run	6:27:03 h	1 🏆
10.07	100mi	6th Hardrock Hundred Endurance Run	31:47:37 h	6
07.06	50mi	2nd Bay Circuit Trail 50 Mile	7:25:41 h	4
18.04	50mi	6th Bull Run Run 50 Miler	8:19:02 h	16
1997
27.09	100mi	12th Angeles Crest 100 Mile	27:34:28 h	36
08.06	50mi	1st Bay Circuit Trail 50 Mile	8:05:21 h	8
12.04	50mi	5th Bull Run Run 50 Miler	8:16:41 h	24
22.03	50km	9th The HAT Run 50K	4:44:31 h	28
08.02	40mi	5th Uwharrie Mountain Run	7:08:16 h	9
1996
14.12	50km	1st Magnus Gluteus Maximus 50 km	5:33:00 h	2 🥈
03.08	50km	2nd Catoctin 50k Trail Run	6:15:06 h	10
12.07	100mi	4th Hardrock Hundred Endurance Run	34:51:15 h	8
04.05	100mi	2nd Massanutten Mountain Trails 100 Mile	23:29:00 h	5
1995
05.08	50km	1st Catoctin 50k Trail Run	5:40:18 h	3 🥉
13.05	100mi	1st Massanutten Mountain Trails 100 Mile	23:39:30 h	2 🥈
08.04	50mi	3rd Bull Run Run 50 Miler	8:23:49 h	6
25.03	50km	7th The HAT Run 50K	3:43:40 h	6
25.02	50mi	8th Wild Oak Trail 50 Mile Race	12:02:40 h	7
1994
23.07	100mi	6th Vermont 100 Mile Endurance Race	23:37:08 h	73
1993
16.10	45mi	4th Andiamo 45 Mile Run	8:14:00 h	7
11.09	50mi	10th Groundhog Fall 50 Mile Endurance Run	9:35:08 h	83
27.03	50km	5th The HAT Run 50K	5:04:38 h	27
1992
01.09	158mi/4stages	Trail Run Across the Commonwealth	32:09:42 h	3 🥉
25.07	100mi	4th Vermont 100 Mile Endurance Race	20:55:23 h	45
27.06	100mi	19th Western States 100 Mile Endurance Run	27:32:44 h	122
28.03	50km	4th The HAT Run 50K	4:58:51 h	29
1991
23.11	50mi	29th JFK 50 Mile	8:54:33 h	93
07.09	50mi	8th Groundhog Fall 50 Mile Endurance Run	8:51:48 h	46
01.09	158mi/4stages	Trail Run Across the Commonwealth	38:14:00 h	1 🏆
15.06	100mi	2nd Mohican Trail 100 Mile	26:24:00 h	14
23.03	50km	3rd The HAT Run 50K	5:02:15 h	26
1990
08.09	50mi	7th Groundhog Fall 50 Mile Endurance Run	8:58:00 h	42
21.07	100mi	2nd Vermont 100 Mile Endurance Race	21:26:10 h	33
24.03	50km	2nd The HAT Run 50K	4:42:01 h	14
1989
28.10	50mi	7th Mountain Masochist 50 Mile Trail Run	9:00:19 h	19
29.07	100mi	1st Vermont 100 Mile Endurance Race	19:11:34 h	15
25.03	50km	1st The HAT Run 50K	5:19:37 h	9
1988
19.11	50mi	26th JFK 50 Mile	7:54:01 h	23
22.10	50mi	6th Mountain Masochist 50 Mile Trail Run	9:54:48 h	49
11.06	100mi	10th Old Dominion 100 Mile Endurance Run	23:46:00 h	39
1987
24.10	50mi	5th Mountain Masochist 50 Mile Trail Run	10:12:30 h	28
12.09	50mi	4th Groundhog Fall 50 Mile Endurance Run	7:40:31 h	12
1986
13.09	50mi	3rd Groundhog Fall 50 Mile Endurance Run	7:39:00 h	9

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	12/5/2017	5ème Trans Atlas Marathon	280,00	×3
✓ 2	1/9/1992	Trail Run Across the Commonwealth (TRAC)	254,28	×3
✓ 3	1/9/1991	Trail Run Across the Commonwealth (TRAC)	254,28	×3
✓ 4	10/7/2009	16th Hardrock Hundred Endurance Run	160,93	×2
✓ 5	16/5/2009	15th Massanutten Mountain Trails 100 Mile	160,93	×2
✓ 6	17/5/2008	14th Massanutten Mountain Trails 100 Mile	160,93	×2
✓ 7	17/6/2005	14th Bighorn Mountain Wild & Scenic 100mi Trail Run	160,93	×2
✓ 8	10/7/1998	6th Hardrock Hundred Endurance Run	160,93	×2
✓ 9	27/9/1997	12th Angeles Crest 100 Mile	160,93	×2
✓ 10	12/7/1996	4th Hardrock Hundred Endurance Run	160,93	×2
✓ 11	4/5/1996	2nd Massanutten Mountain Trails 100 Mile	160,93	×2
✓ 12	13/5/1995	1st Massanutten Mountain Trails 100 Mile	160,93	×2
✓ 13	23/7/1994	6th Vermont 100 Mile Endurance Race	160,93	×2
✓ 14	25/7/1992	4th Vermont 100 Mile Endurance Race	160,93	×2
✓ 15	27/6/1992	19th Western States 100 Mile Endurance Run	160,93	×2
✓ 16	15/6/1991	2nd Mohican Trail 100 Mile	160,93	×2
✓ 17	21/7/1990	2nd Vermont 100 Mile Endurance Race	160,93	×2
✓ 18	29/7/1989	1st Vermont 100 Mile Endurance Race	160,93	×2
✓ 19	11/6/1988	10th Old Dominion 100 Mile Endurance Run	160,93	×2
✓ 20	9/10/2015	6th West Virginia Trilogy Stage Race	150,00	×1
✓ 21	11/10/2013	4th West Virginia Trilogy Stage Race	150,00	×1
✓ 22	1/9/2007	5th The Ring 71-mile Run	114,42	×1
✓ 23	11/7/2020	7th Beaverhead 100K Endurance Run	100,00	×1
✓ 24	6/5/2006	11th Miwok 100k Trail race	100,00	×1
✓ 25	20/6/2015	3rd Manitou's Revenge Ultramarathon	86,90	×1
✓ 26	22/6/2013	1st Manitou's Revenge Ultramarathon	86,90	×1
✓ 27	10/10/2015	6th West Virginia Trilogy 50 Mile	80,47	×1
✓ 28	11/4/2015	23rd Bull Run Run 50 Miler	80,47	×1
✓ 29	12/10/2013	4th West Virginia Trilogy 50 Mile	80,47	×1
✓ 30	19/11/2011	2nd Stone Mill 50 Mile Run	80,47	×1
✓ 31	17/10/2009	SMUT 50 Mile Run	80,47	×1
✓ 32	22/3/2008	4th Bel Monte 50 Mile Endurance Run	80,47	×1
✓ 33	8/4/2006	14th Bull Run Run 50 Miler	80,47	×1
✓ 34	9/4/2005	13th Bull Run Run 50 Miler	80,47	×1
✓ 35	17/4/2004	12th Bull Run Run 50 Miler	80,47	×1
✓ 36	9/11/2002	2nd Stone Cat 50 Mile	80,47	×1
✓ 37	4/12/1999	10th Sunmart Texas Trails 50 Mile	80,47	×1
✓ 38	6/11/1999	17th Mountain Masochist 50 Mile Trail Run	80,47	×1
✓ 39	3/10/1999	6th Vermont 50 Miles Ultra Run	80,47	×1
✓ 40	7/6/1998	2nd Bay Circuit Trail 50 Mile	80,47	×1
✓ 41	18/4/1998	6th Bull Run Run 50 Miler	80,47	×1
✓ 42	8/6/1997	1st Bay Circuit Trail 50 Mile	80,47	×1
✓ 43	12/4/1997	5th Bull Run Run 50 Miler	80,47	×1
✓ 44	8/4/1995	3rd Bull Run Run 50 Miler	80,47	×1
✓ 45	25/2/1995	8th Wild Oak Trail 50 Mile Race	80,47	×1
✓ 46	11/9/1993	10th Groundhog Fall 50 Mile Endurance Run	80,47	×1
✓ 47	23/11/1991	29th JFK 50 Mile	80,47	×1
✓ 48	7/9/1991	8th Groundhog Fall 50 Mile Endurance Run	80,47	×1
✓ 49	8/9/1990	7th Groundhog Fall 50 Mile Endurance Run	80,47	×1
✓ 50	28/10/1989	7th Mountain Masochist 50 Mile Trail Run	80,47	×1
✓ 51	19/11/1988	26th JFK 50 Mile	80,47	×1
✓ 52	22/10/1988	6th Mountain Masochist 50 Mile Trail Run	80,47	×1
✓ 53	24/10/1987	5th Mountain Masochist 50 Mile Trail Run	80,47	×1
✓ 54	12/9/1987	4th Groundhog Fall 50 Mile Endurance Run	80,47	×1
✓ 55	13/9/1986	3rd Groundhog Fall 50 Mile Endurance Run	80,47	×1
✓ 56	3/10/1998	8th Andiamo 45 Mile Run	72,42	—
✓ 57	16/10/1993	4th Andiamo 45 Mile Run	72,42	—
✓ 58	26/12/2015	3rd Boyer's Furnace 40 Mile Race	64,37	—
✓ 59	28/12/2013	1st Boyer's Furnace 40 Mile Race	64,37	—
✓ 60	19/6/2010	8th Highlands Sky 40M Trail Run	64,37	—
✓ 61	20/6/2009	7th Highlands Sky 40M Trail Run	64,37	—
✓ 62	14/6/2008	6th Highlands Sky 40M Trail Run	64,37	—
✓ 63	26/2/2000	2nd Mount Mitchell Challenge	64,37	—
✓ 64	8/2/1997	5th Uwharrie Mountain Run	64,37	—
65	19/11/2022	8th Dead Horse 50 km Race	50,00	—
66	10/12/2016	19th Magnus Gluteus Maximus 50 km	50,00	—
67	12/9/2015	2nd The Big Schloss 50K	50,00	—
68	21/3/2015	11th Seneca Creek Greenway Trail 50k	50,00	—
69	27/7/2013	18th Catoctin 50k Trail Run	50,00	—
70	19/5/2012	14th Capon Valley 50K Run	50,00	—
71	10/3/2012	7th Elizabeth's Furnace Fat Ass 50 km Race	50,00	—
72	3/3/2012	8th Seneca Creek Greenway Trail 50k	50,00	—
73	23/7/2011	2nd Catherine's 50k Run	50,00	—
74	7/5/2011	13th Capon Valley 50K Run	50,00	—
75	26/3/2011	7th Bel Monte 50 km Endurance Run	50,00	—
76	19/3/2011	23rd The HAT Run 50K	50,00	—
77	12/3/2011	6th Elizabeth's Furnace Fat Ass 50 km Race	50,00	—
78	26/2/2011	3rd Hashawha Hills 50 km Trail Run	50,00	—
79	31/7/2010	15th Catoctin 50k Trail Run	50,00	—
80	8/5/2010	12th Capon Valley 50K Run	50,00	—
81	13/3/2010	5th Elizabeth's Furnace Fat Ass 50 km Race	50,00	—
82	14/3/2009	4th Elizabeth's Furnace Fat Ass 50 km Race	50,00	—
83	28/2/2009	2nd Hashawha Hills 50 km Trail Run	50,00	—
84	13/12/2008	13th Magnus Gluteus Maximus 50 km	50,00	—
85	15/3/2008	3rd Elizabeth's Furnace Fat Ass 50 km Race	50,00	—
86	1/3/2008	4th Seneca Creek Greenway Trail 50k	50,00	—
87	23/2/2008	1st Hashawha Hills 50 km Trail Run	50,00	—
88	15/12/2007	12th Magnus Gluteus Maximus 50 km	50,00	—
89	4/8/2007	12th Catoctin 50k Trail Run	50,00	—
90	25/3/2006	18th The HAT Run 50K	50,00	—
91	4/3/2006	2nd Seneca Creek Greenway Trail 50k	50,00	—
92	10/12/2005	10th Magnus Gluteus Maximus - Potchari Hippu 50 km	50,00	—
93	14/5/2005	7th Capon Valley 50K Run	50,00	—
94	19/3/2005	17th The HAT Run 50K	50,00	—
95	11/12/2004	9th Magnus Gluteus Maximus - Ponga Craka 50 km	50,00	—
96	7/8/2004	9th Catoctin 50k Trail Run	50,00	—
97	27/3/2004	16th The HAT Run 50K	50,00	—
98	14/12/2003	8th Magnus Gluteus Maximus - Tai Aon Yaon 50 km	50,00	—
99	17/5/2003	5th Capon Valley 50K Run	50,00	—
100	14/12/2002	7th Magnus Gluteus Maximus - Fat Taffy Kiss 50 km	50,00	—
101	15/12/2001	6th Magnus Gluteus Maximus - Nui Loa Okole 50 km	50,00	—
102	16/12/2000	5th Magnus Gluteus Maximus - Pang Pigu Wu Shi Gongli 50 km	50,00	—
103	5/8/2000	5th Catoctin 50k Trail Run	50,00	—
104	20/5/2000	2nd Capon Valley 50K Run	50,00	—
105	13/3/1999	3rd Catoctin 50k Trail Run	50,00	—
106	12/12/1998	3rd Magnus Gluteus Maximus - Bufu-Bufu Baty 50 km	50,00	—
107	22/3/1997	9th The HAT Run 50K	50,00	—
108	14/12/1996	1st Magnus Gluteus Maximus 50 km	50,00	—
109	3/8/1996	2nd Catoctin 50k Trail Run	50,00	—
110	5/8/1995	1st Catoctin 50k Trail Run	50,00	—
111	25/3/1995	7th The HAT Run 50K	50,00	—
112	27/3/1993	5th The HAT Run 50K	50,00	—
113	28/3/1992	4th The HAT Run 50K	50,00	—
114	23/3/1991	3rd The HAT Run 50K	50,00	—
115	24/3/1990	2nd The HAT Run 50K	50,00	—
116	25/3/1989	1st The HAT Run 50K	50,00	—