James Simpson

Born : 1941 Cat. M85 Ultrarunner since 1999

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

78,6%

Rank quotient ?This runner's calculation uses 81 eligible race(s): Σ(rank − 1) = 5 112; Σ finishers = 6 507. 5 112 / 6 507 × 100 = 78.56%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed81

Km — ultra races4 553 km

> 100 km1

> 160 km1

> 200 km1

> 24h5

> 48h1

Longest race487,3 km

35th Across the Years, 10 days — 28/12/2019

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road39,0%

Trail61,0%

Records

50 km5h32'12 6 h50,69 km 12 h53,33 km 24 h50,81 km 48 h45,06 km

HISTORY

81 race(s) · 1 split(s) nested

Date		Race	Perf.	Rk
2022
21.02	12h	9th Jackpot Ultra Running Festival 12 Hour Race	45.061 km	31
19.02	48h	9th Jackpot Ultra Running Festival 48 Hour Race	45.061 km	32
2019
28.12	10d	35th Across the Years, 10 days	487.317 km	34
28.12	6d	35th Across the Years, 10 days - 6d Split	350.733 km	30
2015
27.09	50km	6th The Bear Chase 50 km	9:11:14 h	110
03.01	50km	5th Croom Zoom 50 km Run	9:39:26 h	79
2014
18.01	50km	8th Hilo to Volcano 50k Ultramarathon	9:23:58 h	29
04.01	50km	4th Croom Zoom 50 km Run	9:44:30 h	100
2013
20.04	50km	7th Mad City 50K Road Race	6:11:50 h	37
06.04	50km	15th Taturs Lake McMurtry 50 km Trail Race	8:24:13 h	47
19.01	50km	7th Hilo to Volcano 50k Ultramarathon	8:07:09 h	40
12.01	50km	1st Savannah Rails to Trails 50K	7:56:11 h	70
2012
08.12	24h	2nd One Epic Run 24 Hour Race	45.769 km	51
29.04	50km	38th Lake Waramaug 50km Ultra Marathon	8:08:43 h	58
03.03	50km	31th Carl Touchstone Memorial Mississippi Trail 50 km	9:01:44 h	76
21.01	50km	6th Hilo to Volcano 50k Ultramarathon	7:47:52 h	34
2011
08.10	50km	9th Can Lake 50 km Ultra	7:21:30 h	27
25.09	50km	18th Vermont 50 km Ultra Run	10:28:42 h	160
10.09	50km	5th Bartlett Park Ultras 50K	8:34:09 h	37
23.04	50km	37th Lake Waramaug 50km Ultra Marathon	7:49:59 h	57
19.03	50km	4th Lt. JC Stone 50K UltraMarathon	7:04:31 h	57
22.01	50km	5th Hilo to Volcano 50k Ultramarathon	8:55:09 h	29
16.01	38.5mi	6th The Ghost Town 38.5	11:18:21 h	66
2010
18.12	50km	14th Huff 50K Trail Run	8:13:58 h	270
26.09	50km	17th Vermont 50 km Ultra Run	10:29:21 h	187
17.07	12h	4th 12 Hours of Big Bear Trail Run	52.303 km	25
26.06	12h	4th 12 Hours of Laramie	47.475 km	7
25.04	50km	36th Lake Waramaug 50km Ultra Marathon	7:44:18 h	44
03.04	50km	12th Taturs Lake McMurtry 50 km Trail Race	8:25:55 h	42
20.02	50km	5th Orange Curtain 50km Ultra Race	7:28:21 h	32
23.01	50km	4th Hilo to Volcano 50k Ultramarathon	8:41:03 h	28
17.01	38.5mi	5th The Ghost Town 38.5	11:09:25 h	79
2009
13.09	50km	4th Turkey & Taturs 50 km Trail Race	9:41:33 h	36
30.08	50km	4th Green Lakes Endurance Run 50 km	7:21:08 h	86
18.07	12h	3rd 12 Hours of Big Bear Trail Run	52.303 km	28
04.07	50km	16th Afton Trail Run 50K	7:43:07 h	126
18.04	50km	19th Trail Mix Race	7:05:06 h	100
21.02	50km	4th Orange Curtain 50km Ultra Race	8:19:17 h	49
14.02	50km	11th Pemberton Trail 50 km	6:43:26 h	126
24.01	50km	3rd Hilo to Volcano 50k Ultramarathon	8:01:09 h	37
17.01	38.5mi	4th The Ghost Town 38.5	10:09:04 h	58
2008
27.12	50km	12th Huff 50K Trail Run	9:08:02 h	112
08.11	50km	5th Dizzy Fifties - 50 km Trail Run	6:45:18 h	48
28.09	50km	15th Vermont 50 km Ultra Run	8:26:44 h	96
08.09	50km	24th Groundhog Fall 50K	7:20:00 h	81
19.07	50km	15th Big Butt 50 km	6:54:10 h	10
07.06	12h	19th FANS 12 Hour Run	53.334 km	28
03.05	24h	27th Cornbelt Running Club 24 Hour Run	50.806 km	35
19.04	50km	18th Trail Mix Race	6:46:23 h	86
13.04	50km	1st Harbison Forest 50K	9:38:24 h	35
05.04	50km	9th Chicago Lakefront Spring 50km Race	6:50:18 h	127
20.01	38.5mi	3rd The Ghost Town 38.5	9:45:03 h	31
2007
29.12	50km	11th Huff 50K Trail Run	7:39:15 h	132
15.09	50km	3rd Youngstown Ultra Trail Classic 50K	8:59:10 h	51
07.07	50km	14th Afton Trail Run 50K	7:59:42 h	98
05.05	24h	26th Cornbelt Running Club 24 Hour Run	50.807 km	37
24.04	50km	17th Trail Mix Race	6:37:29 h	105
31.03	50km	8th Chicago Lakefront Spring 50km Race	6:30:22 h	113
24.02	6h	1st Sin City Runs Dead Presidents 6 Hour Ultra Run	50.694 km	6
17.02	50km	2nd Orange Curtain 50km Ultra Race	6:13:45 h	23
20.01	50km	1st Hilo to Volcano 50k Ultramarathon	7:27:47 h	19
14.01	38.5mi	2nd The Ghost Town 38.5	10:39:20 h	36
2006
27.05	50km	1st Trail Festival at Pineland Farms	7:18:15 h	75
20.05	50km	4th Long Island Greenbelt Trail 50 km	8:54:05 h	43
06.05	24h	25th Cornbelt Running Club 24 Hour Run	50.806 km	44
08.04	50km	7th Chicago Lakefront Spring 50km Race	6:04:57 h	77
18.02	50km	1st Orange Curtain 50km Ultra Race	6:04:11 h	24
15.01	38.5mi	1st The Ghost Town 38.5	11:17:32 h	33
2005
23.10	50km	12th Blue Springs 50km Run	6:17:05 h	13
14.05	50km	7th Capon Valley 50K Run	7:33:50 h	126
2004
04.12	50km	15th Sunmart Texas Trails 50 km	5:57:53 h	225
27.11	50km	6th Big Dog Ultra Trail Run	6:46:34 h	9
15.05	50km	6th Capon Valley 50K Run	6:54:58 h	150
07.02	50km	26th Jed Smith Ultra Classic - 50 km Race	5:43:32 h	61
2003
16.08	50km	2nd Pony Express 50K Sprint	6:45:21 h	11
03.08	50km	22nd Skyline 50k Endurance Run	6:47:48 h	129
2002
22.09	50km	3rd Whiskeytown 50km Trail Run	6:57:52 h	21
01.09	50km	8th Run On The Sly 50 km	5:54:08 h	16
04.08	50km	21st Skyline 50k Endurance Run	5:47:32 h	75
20.07	50km	2nd Tahoe Rim Trail 50km Endurance Runs	7:39:31 h	82
01.06	50km	13th Shadow of the Giants 50K	6:42:17 h	44
1999
02.01	50km	22nd Harold Tucker 50K Beach Run	5:32:12 h	5

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	28/12/2019	35th Across the Years, 10 days	487,32	×9
✓ 2	16/1/2011	6th The Ghost Town 38.5	61,96	×1
✓ 3	17/1/2010	5th The Ghost Town 38.5	61,96	×1
✓ 4	17/1/2009	4th The Ghost Town 38.5	61,96	×1
✓ 5	20/1/2008	3rd The Ghost Town 38.5	61,96	×1
✓ 6	14/1/2007	2nd The Ghost Town 38.5	61,96	×1
✓ 7	15/1/2006	1st The Ghost Town 38.5	61,96	×1
✓ 8	7/6/2008	19th FANS 12 Hour Run	53,33	×1
✓ 9	17/7/2010	4th 12 Hours of Big Bear Trail Run	52,30	×1
✓ 10	18/7/2009	3rd 12 Hours of Big Bear Trail Run	52,30	×1
✓ 11	5/5/2007	26th Cornbelt Running Club 24 Hour Run	50,81	×1
✓ 12	3/5/2008	27th Cornbelt Running Club 24 Hour Run	50,81	×1
✓ 13	6/5/2006	25th Cornbelt Running Club 24 Hour Run	50,81	×1
✓ 14	24/2/2007	1st Sin City Runs Dead Presidents 6 Hour Ultra Run	50,69	×1
✓ 15	27/9/2015	6th The Bear Chase 50 km	50,00	×1
✓ 16	3/1/2015	5th Croom Zoom 50 km Run	50,00	×1
✓ 17	18/1/2014	8th Hilo to Volcano 50k Ultramarathon	50,00	×1
✓ 18	4/1/2014	4th Croom Zoom 50 km Run	50,00	×1
✓ 19	20/4/2013	7th Mad City 50K Road Race	50,00	×1
✓ 20	6/4/2013	15th Taturs Lake McMurtry 50 km Trail Race	50,00	×1
✓ 21	19/1/2013	7th Hilo to Volcano 50k Ultramarathon	50,00	×1
✓ 22	12/1/2013	1st Savannah Rails to Trails 50K	50,00	×1
✓ 23	29/4/2012	38th Lake Waramaug 50km Ultra Marathon	50,00	×1
✓ 24	3/3/2012	31th Carl Touchstone Memorial Mississippi Trail 50 km	50,00	×1
✓ 25	21/1/2012	6th Hilo to Volcano 50k Ultramarathon	50,00	×1
✓ 26	8/10/2011	9th Can Lake 50 km Ultra	50,00	×1
✓ 27	25/9/2011	18th Vermont 50 km Ultra Run	50,00	×1
✓ 28	10/9/2011	5th Bartlett Park Ultras 50K	50,00	×1
✓ 29	23/4/2011	37th Lake Waramaug 50km Ultra Marathon	50,00	×1
✓ 30	19/3/2011	4th Lt. JC Stone 50K UltraMarathon	50,00	×1
✓ 31	22/1/2011	5th Hilo to Volcano 50k Ultramarathon	50,00	×1
✓ 32	18/12/2010	14th Huff 50K Trail Run	50,00	×1
✓ 33	26/9/2010	17th Vermont 50 km Ultra Run	50,00	×1
✓ 34	25/4/2010	36th Lake Waramaug 50km Ultra Marathon	50,00	×1
✓ 35	3/4/2010	12th Taturs Lake McMurtry 50 km Trail Race	50,00	×1
✓ 36	20/2/2010	5th Orange Curtain 50km Ultra Race	50,00	×1
✓ 37	23/1/2010	4th Hilo to Volcano 50k Ultramarathon	50,00	×1
✓ 38	13/9/2009	4th Turkey & Taturs 50 km Trail Race	50,00	×1
✓ 39	30/8/2009	4th Green Lakes Endurance Run 50 km	50,00	×1
✓ 40	4/7/2009	16th Afton Trail Run 50K	50,00	×1
✓ 41	18/4/2009	19th Trail Mix Race	50,00	×1
✓ 42	21/2/2009	4th Orange Curtain 50km Ultra Race	50,00	×1
✓ 43	14/2/2009	11th Pemberton Trail 50 km	50,00	×1
✓ 44	24/1/2009	3rd Hilo to Volcano 50k Ultramarathon	50,00	×1
✓ 45	27/12/2008	12th Huff 50K Trail Run	50,00	×1
✓ 46	8/11/2008	5th Dizzy Fifties - 50 km Trail Run	50,00	×1
✓ 47	28/9/2008	15th Vermont 50 km Ultra Run	50,00	×1
✓ 48	8/9/2008	24th Groundhog Fall 50K	50,00	×1
✓ 49	19/7/2008	15th Big Butt 50 km	50,00	×1
✓ 50	19/4/2008	18th Trail Mix Race	50,00	×1
51	13/4/2008	1st Harbison Forest 50K	50,00	×1
52	5/4/2008	9th Chicago Lakefront Spring 50km Race	50,00	×1
53	29/12/2007	11th Huff 50K Trail Run	50,00	×1
54	15/9/2007	3rd Youngstown Ultra Trail Classic 50K	50,00	×1
55	7/7/2007	14th Afton Trail Run 50K	50,00	×1
56	24/4/2007	17th Trail Mix Race	50,00	×1
57	31/3/2007	8th Chicago Lakefront Spring 50km Race	50,00	×1
58	17/2/2007	2nd Orange Curtain 50km Ultra Race	50,00	×1
59	20/1/2007	1st Hilo to Volcano 50k Ultramarathon	50,00	×1
60	27/5/2006	1st Trail Festival at Pineland Farms	50,00	×1
61	20/5/2006	4th Long Island Greenbelt Trail 50 km	50,00	×1
62	8/4/2006	7th Chicago Lakefront Spring 50km Race	50,00	×1
63	18/2/2006	1st Orange Curtain 50km Ultra Race	50,00	×1
64	23/10/2005	12th Blue Springs 50km Run	50,00	×1
65	14/5/2005	7th Capon Valley 50K Run	50,00	×1
66	4/12/2004	15th Sunmart Texas Trails 50 km	50,00	×1
67	27/11/2004	6th Big Dog Ultra Trail Run	50,00	×1
68	15/5/2004	6th Capon Valley 50K Run	50,00	×1
69	7/2/2004	26th Jed Smith Ultra Classic - 50 km Race	50,00	×1
70	16/8/2003	2nd Pony Express 50K Sprint	50,00	×1
71	3/8/2003	22nd Skyline 50k Endurance Run	50,00	×1
72	22/9/2002	3rd Whiskeytown 50km Trail Run	50,00	×1
73	1/9/2002	8th Run On The Sly 50 km	50,00	×1
74	4/8/2002	21st Skyline 50k Endurance Run	50,00	×1
75	20/7/2002	2nd Tahoe Rim Trail 50km Endurance Runs	50,00	×1
76	1/6/2002	13th Shadow of the Giants 50K	50,00	×1
77	2/1/1999	22nd Harold Tucker 50K Beach Run	50,00	×1
78	26/6/2010	4th 12 Hours of Laramie	47,48	—
79	8/12/2012	2nd One Epic Run 24 Hour Race	45,77	—
80	21/2/2022	9th Jackpot Ultra Running Festival 12 Hour Race	45,06	—
81	19/2/2022	9th Jackpot Ultra Running Festival 48 Hour Race	45,06	—