James Cobb

Born : 1960 Cat. M65 Ultrarunner since 2004

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 ?

Canada

United States

25,3%

Rank quotient ?This runner's calculation uses 66 eligible race(s): Σ(rank − 1) = 2 177; Σ finishers = 8 603. 2 177 / 8 603 × 100 = 25.31%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed66

Km — ultra races4 067 km

> 100 km1

Longest race125,0 km

10th Canadian Death Race — 1/8/2009

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win0

🏆 Win M1

🏅 Top 31

🏅 Top 3 M1

Longest winning streak0

Current streak0

Records

50 km5h01'59 50 mi8h53'31

HISTORY

66 race(s)

Date		Race	Perf.	Rk
2020
07.03	50km	8th Mill Stone 50K	6:20:53 h	39
04.01	50km	10th Harbison 50K	6:24:11 h	21
2019
19.10	50km	6th Paris Mountain Ultra 50K	7:11:34 h	22
21.09	50km	9th Table Rock 50 km Ultra	7:07:08 h	87
23.03	52.4km	2nd Fonta Flora 50k	6:25:00 h	45
2018
22.09	50km	8th Table Rock 50 km Ultra	7:03:41 h	46
06.01	50km	8th Harbison 50K	6:09:00 h	21
2017
25.02	40mi	19th Mount Mitchell Challenge	8:14:37 h	112
04.02	40mi	25th Uwharrie Mountain Run	9:41:15 h	43
07.01	50km	7th Harbison 50K	6:09:21 h	24
2016
06.02	40mi	24th Uwharrie Mountain Run	8:46:46 h	21
09.01	50km	6th Harbison 50K	5:48:55 h	34
2015
28.03	33mi	16th Oak Mountain 50km Race	6:12:20 h	22
07.02	40mi	23rd Uwharrie Mountain Run	8:47:04 h	24
2014
20.12	50mi	7th Lookout Mountain 50 Mile Race	11:26:26 h	119
04.01	50km	4th Harbison 50K	6:06:46 h	45
2013
14.12	50mi	6th Lookout Mountain 50 Mile Race	11:43:01 h	125
23.02	50km	8th Mount Cheaha 50K UltraMarathon Race	6:49:18 h	75
2012
25.02	40mi	14th Mount Mitchell Challenge	7:47:18 h	80
04.02	40mi	20th Uwharrie Mountain Run	8:20:02 h	41
07.01	50km	2nd Harbison 50K	5:23:02 h	33
2011
23.04	50km	11th Promise Land 50K++	6:35:04 h	64
26.03	50km	7th Bel Monte 50 km Endurance Run	6:03:14 h	14
05.02	40mi	19th Uwharrie Mountain Run	8:04:34 h	17
08.01	50km	1st Harbison 50K	5:21:03 h	9
2010
16.10	50mi	1st Endurance Challenge - Georgia Trail 50 Miles	10:18:46 h	9
27.08	50mi	3rd Cheat Mountain Moonshine Madness 50 Mile Trail Run	9:56:40 h	18
24.04	50km	10th Promise Land 50K++	6:14:44 h	44
20.03	33mi	11th Oak Mountain 50km Race	5:42:02 h	12
27.02	40mi	12th Mount Mitchell Challenge	6:33:49 h	44
06.02	40mi	18th Uwharrie Mountain Run	7:03:00 h	12
2009
19.12	50mi	2nd Lookout Mountain 50 Mile Race	9:42:38 h	32
01.08	125km	10th Canadian Death Race	19:30:41 h	16
07.06	50km	2nd Chattooga River 50 km Ultra Run	6:29:50 h	11
25.04	50km	9th Promise Land 50K++	6:36:36 h	43
21.03	33mi	10th Oak Mountain 50km Race	5:39:05 h	14
28.02	40mi	11th Mount Mitchell Challenge	7:21:15 h	33
07.02	40mi	17th Uwharrie Mountain Run	8:00:47 h	16
03.01	50km	1st Tsali Frosty Foot 50k	5:12:18 h	19
2008
04.10	50mi	3rd Iron Mountain 50 Mile Trail Run	9:31:03 h	6
22.08	50mi	1st Cheat Mountain Moonshine Madness 50 Mile Trail Run	9:43:39 h	45
12.07	50km	14th Rattlesnake Trail 50K Ultrarun	5:22:36 h	17
13.04	50km	1st Harbison Forest 50K	9:59:23 h	37
22.03	33mi	9th Oak Mountain 50km Race	5:35:00 h	12
23.02	40mi	10th Mount Mitchell Challenge	6:54:04 h	33
02.02	40mi	16th Uwharrie Mountain Run	7:41:39 h	23
2007
29.09	50mi	2nd Iron Mountain 50 Mile Trail Run	9:04:55 h	10
17.06	40mi	5th Highlands Sky 40M Trail Run	8:13:46 h	19
21.04	50km	5th Crowders Mountain 50K	5:01:59 h	2 🥈
24.02	40mi	9th Mount Mitchell Challenge	6:48:04 h	28
03.02	40mi	15th Uwharrie Mountain Run	7:42:04 h	16
2006
18.11	50mi	44th JFK 50 Mile	8:53:31 h	171
07.10	50mi	1st Iron Mountain 50 Mile Trail Run	9:27:00 h	9
05.08	50km	11th Catoctin 50k Trail Run	6:15:57 h	10
10.06	40mi	4th Highlands Sky 40M Trail Run	8:23:18 h	18
29.04	50km	6th Promise Land 50K++	6:20:40 h	35
19.03	33mi	7th Oak Mountain 50km Race	5:21:15 h	9
25.02	40mi	8th Mount Mitchell Challenge	7:07:16 h	34
04.02	40mi	14th Uwharrie Mountain Run	7:46:38 h	9
2005
15.10	50mi	23th Mountain Masochist 50 Mile Trail Run	9:40:43 h	48
09.04	50mi	13th Bull Run Run 50 Miler	9:15:24 h	54
26.03	33mi	6th Oak Mountain 50km Race	5:29:10 h	14
05.02	40mi	13th Uwharrie Mountain Run	7:52:26 h	13
2004
12.06	40mi	2nd Highlands Sky 40M Trail Run	8:22:20 h	16
20.03	33mi	5th Oak Mountain 50km Race	5:35:00 h	6
24.01	50km	10th Mountain Mist 50k	5:23:15 h	43

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	1/8/2009	10th Canadian Death Race	125,00	×2
✓ 2	20/12/2014	7th Lookout Mountain 50 Mile Race	80,47	×1
✓ 3	14/12/2013	6th Lookout Mountain 50 Mile Race	80,47	×1
✓ 4	16/10/2010	1st Endurance Challenge - Georgia Trail 50 Miles	80,47	×1
✓ 5	27/8/2010	3rd Cheat Mountain Moonshine Madness 50 Mile Trail Run	80,47	×1
✓ 6	19/12/2009	2nd Lookout Mountain 50 Mile Race	80,47	×1
✓ 7	4/10/2008	3rd Iron Mountain 50 Mile Trail Run	80,47	×1
✓ 8	22/8/2008	1st Cheat Mountain Moonshine Madness 50 Mile Trail Run	80,47	×1
✓ 9	29/9/2007	2nd Iron Mountain 50 Mile Trail Run	80,47	×1
✓ 10	18/11/2006	44th JFK 50 Mile	80,47	×1
✓ 11	7/10/2006	1st Iron Mountain 50 Mile Trail Run	80,47	×1
✓ 12	15/10/2005	23th Mountain Masochist 50 Mile Trail Run	80,47	×1
✓ 13	9/4/2005	13th Bull Run Run 50 Miler	80,47	×1
✓ 14	25/2/2017	19th Mount Mitchell Challenge	64,37	×1
✓ 15	4/2/2017	25th Uwharrie Mountain Run	64,37	×1
✓ 16	6/2/2016	24th Uwharrie Mountain Run	64,37	×1
✓ 17	7/2/2015	23rd Uwharrie Mountain Run	64,37	×1
✓ 18	25/2/2012	14th Mount Mitchell Challenge	64,37	×1
✓ 19	4/2/2012	20th Uwharrie Mountain Run	64,37	×1
✓ 20	5/2/2011	19th Uwharrie Mountain Run	64,37	×1
✓ 21	27/2/2010	12th Mount Mitchell Challenge	64,37	×1
✓ 22	6/2/2010	18th Uwharrie Mountain Run	64,37	×1
✓ 23	28/2/2009	11th Mount Mitchell Challenge	64,37	×1
✓ 24	7/2/2009	17th Uwharrie Mountain Run	64,37	×1
✓ 25	23/2/2008	10th Mount Mitchell Challenge	64,37	×1
✓ 26	2/2/2008	16th Uwharrie Mountain Run	64,37	×1
✓ 27	17/6/2007	5th Highlands Sky 40M Trail Run	64,37	×1
✓ 28	24/2/2007	9th Mount Mitchell Challenge	64,37	×1
✓ 29	3/2/2007	15th Uwharrie Mountain Run	64,37	×1
✓ 30	10/6/2006	4th Highlands Sky 40M Trail Run	64,37	×1
✓ 31	25/2/2006	8th Mount Mitchell Challenge	64,37	×1
✓ 32	4/2/2006	14th Uwharrie Mountain Run	64,37	×1
✓ 33	5/2/2005	13th Uwharrie Mountain Run	64,37	×1
✓ 34	12/6/2004	2nd Highlands Sky 40M Trail Run	64,37	×1
✓ 35	28/3/2015	16th Oak Mountain 50km Race	53,11	×1
✓ 36	20/3/2010	11th Oak Mountain 50km Race	53,11	×1
✓ 37	21/3/2009	10th Oak Mountain 50km Race	53,11	×1
✓ 38	22/3/2008	9th Oak Mountain 50km Race	53,11	×1
✓ 39	19/3/2006	7th Oak Mountain 50km Race	53,11	×1
✓ 40	26/3/2005	6th Oak Mountain 50km Race	53,11	×1
✓ 41	20/3/2004	5th Oak Mountain 50km Race	53,11	×1
✓ 42	23/3/2019	2nd Fonta Flora 50k	52,40	×1
✓ 43	7/3/2020	8th Mill Stone 50K	50,00	×1
✓ 44	4/1/2020	10th Harbison 50K	50,00	×1
✓ 45	19/10/2019	6th Paris Mountain Ultra 50K	50,00	×1
✓ 46	21/9/2019	9th Table Rock 50 km Ultra	50,00	×1
✓ 47	22/9/2018	8th Table Rock 50 km Ultra	50,00	×1
✓ 48	6/1/2018	8th Harbison 50K	50,00	×1
✓ 49	7/1/2017	7th Harbison 50K	50,00	×1
✓ 50	9/1/2016	6th Harbison 50K	50,00	×1
51	4/1/2014	4th Harbison 50K	50,00	×1
52	23/2/2013	8th Mount Cheaha 50K UltraMarathon Race	50,00	×1
53	7/1/2012	2nd Harbison 50K	50,00	×1
54	23/4/2011	11th Promise Land 50K++	50,00	×1
55	26/3/2011	7th Bel Monte 50 km Endurance Run	50,00	×1
56	8/1/2011	1st Harbison 50K	50,00	×1
57	24/4/2010	10th Promise Land 50K++	50,00	×1
58	7/6/2009	2nd Chattooga River 50 km Ultra Run	50,00	×1
59	25/4/2009	9th Promise Land 50K++	50,00	×1
60	3/1/2009	1st Tsali Frosty Foot 50k	50,00	×1
61	12/7/2008	14th Rattlesnake Trail 50K Ultrarun	50,00	×1
62	13/4/2008	1st Harbison Forest 50K	50,00	×1
63	21/4/2007	5th Crowders Mountain 50K	50,00	×1
64	5/8/2006	11th Catoctin 50k Trail Run	50,00	×1
65	29/4/2006	6th Promise Land 50K++	50,00	×1
66	24/1/2004	10th Mountain Mist 50k	50,00	×1