Laurence Macon

Born : 1944 Cat. M80 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

88,0%

Rank quotient ?This runner's calculation uses 80 eligible race(s): Σ(rank − 1) = 4 642; Σ finishers = 5 276. 4 642 / 5 276 × 100 = 87.98%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed80

Km — ultra races4 107 km

> 100 km1

> 160 km1

> 24h6

> 48h3

Longest race177,1 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)

Road31,7%

Trail68,3%

Records

50 km6h17'20 12 h53,33 km 24 h50,53 km 48 h51,50 km

HISTORY

80 race(s)

Date		Race	Perf.	Rk
2019
28.12	10d	35th Across the Years, 10 days	177.052 km	48
19.10	12h	4th Endless Mile - 12 Hour Race	45.153 km	25
27.04	12h	2nd Silver Moon Race 12 Hour Race	49.004 km	15
2017
07.07	12h	4th Chase the Moon 12 Hour Endurance Run	49.728 km	56
04.02	50km	1st Red Dirt Ultra 50 km	9:01:43 h	38
2016
25.06	8h	6th Dawn to Dusk Endurance Run 8 Hour	45.866 km	21
2015
07.03	50km	6th Post Oak Lodge 50K Trail Challenge	10:23:58 h	98
2014
28.06	8h	4th Dawn to Dusk Endurance Run 8 Hour	45.866 km	34
18.01	50km	8th Hilo to Volcano 50k Ultramarathon	9:23:58 h	28
04.01	50km	2nd The Pistol 50 km Ultra Run	8:29:51 h	65
2013
01.06	12h	24th FANS 12 Hour Run	45.640 km	26
21.04	50km	39th Lake Waramaug 50km Ultra Marathon	7:21:40 h	41
02.03	50km	32th Carl Touchstone Memorial Mississippi Trail 50 km	8:21:32 h	67
19.01	50km	7th Hilo to Volcano 50k Ultramarathon	8:07:08 h	39
12.01	50km	1st Savannah Rails to Trails 50K	7:56:11 h	69
2012
17.11	12h	12th Ultracentric 12 Hour Run	51.499 km	26
22.07	50km	4th Rosaryville 50 km Trail Run	8:25:51 h	71
21.07	12h	6th 12 Hours of Big Bear Trail Run	52.303 km	25
02.06	12h	23rd FANS 12 Hour Run	53.333 km	42
11.05	48h	3rd 3 Days at the Fair 48 Hour Race	51.080 km	23
10.05	72h	3rd 3 Days at the Fair 72 Hour Race	51.080 km	23
29.04	50km	38th Lake Waramaug 50km Ultra Marathon	8:08:39 h	55
03.03	50km	31th Carl Touchstone Memorial Mississippi Trail 50 km	8:56:27 h	75
25.02	50km	3rd Post Oak Lodge 50K Trail Challenge	8:48:06 h	82
11.02	50km	1st Mid-Maryland Ultra 50k	7:54:40 h	74
21.01	50km	6th Hilo to Volcano 50k Ultramarathon	7:47:52 h	32
2011
18.11	48h	11th Ultracentric 48 Hour Run	51.499 km	10
25.09	50km	18th Vermont 50 km Ultra Run	7:15:29 h	100
25.06	12h	5th 12 Hours of Laramie	45.061 km	11
22.05	50km	1st Dirty German Endurance Fest 50 km	7:51:19 h	89
23.04	50km	37th Lake Waramaug 50km Ultra Marathon	7:49:58 h	55
05.03	50km	30th Carl Touchstone Memorial Mississippi Trail 50 km	8:06:30 h	65
27.02	50km	2nd Post Oak Lodge 50K Trail Challenge	8:27:41 h	40
12.02	50km	8th Louisville's Love'n the Hills (LLTH 50K)	9:09:08 h	64
22.01	50km	5th Hilo to Volcano 50k Ultramarathon	7:53:33 h	24
2010
16.10	50km	3rd Nashville 50 km Ultra Marathon	6:51:08 h	46
26.09	50km	17th Vermont 50 km Ultra Run	8:19:33 h	169
18.09	32mi	16th Bohemian Alps 50 km Ultramarathon	7:30:40 h	22
08.08	50km	4th Turkey Swamp 50 km Race	7:54:55 h	44
07.08	50km	2nd Dahlgren Heritage Rail Trail 50K	7:55:31 h	66
01.08	50km	29th Skyline 50k Endurance Run	7:31:04 h	146
26.07	50km	4th El Scorcho 50k	7:41:30 h	90
17.07	50km	4th Great Cranberry Island 50K Ultra	7:14:29 h	32
10.07	50km	16th Rattlesnake Trail 50K Ultrarun	8:51:28 h	78
26.06	12h	4th 12 Hours of Laramie	47.475 km	8
25.04	50km	36th Lake Waramaug 50km Ultra Marathon	7:44:17 h	43
17.04	24h	2nd Lynch's Wood 24 Hour Run	50.533 km	49
06.03	50km	29th Carl Touchstone Memorial Mississippi Trail 50 km	8:44:53 h	57
23.01	50km	4th Hilo to Volcano 50k Ultramarathon	7:58:00 h	23
2009
19.09	32mi	15th Bohemian Alps 50 km Ultramarathon	8:06:04 h	21
23.08	50km	4th Montaña de Oro 50 km Race	8:39:13 h	31
02.08	50km	28th Skyline 50k Endurance Run	7:35:18 h	114
11.07	50km	15th Rattlesnake Trail 50K Ultrarun	8:49:22 h	86
05.07	50km	6th Pacifica 50 km Trail Run - Summer Edition	6:48:10 h	26
24.01	50km	3rd Hilo to Volcano 50k Ultramarathon	8:01:10 h	38
10.01	50km	10th Salem Lakeshore Frosty Fifty	7:16:23 h	120
2008
28.09	50km	15th Vermont 50 km Ultra Run	8:26:43 h	95
20.09	32mi	14th Bohemian Alps 50 km Ultramarathon	8:01:00 h	18
14.09	50km	3rd Turkey & Taturs 50 km Trail Race	8:49:23 h	40
08.09	50km	24th Groundhog Fall 50K	8:02:00 h	99
24.08	50km	3rd Green Lakes Endurance Run 50 km	8:00:52 h	49
19.07	50km	2nd Great Cranberry Island 50K Ultra	7:08:05 h	8
12.07	50km	14th Rattlesnake Trail 50K Ultrarun	8:52:00 h	77
05.07	50km	15th Afton Trail Run 50K	8:07:19 h	122
28.06	24h	2nd 24 Hours of Laramie	47.475 km	6
12.04	50km	1st Chippewa Moraine 50km Ultra Marathon	8:40:59 h	118
29.03	30mi	2nd Clinton Lake Ultra	7:36:44 h	77
01.03	50km	27th Carl Touchstone Memorial Mississippi Trail 50 km	6:52:25 h	30
19.01	50km	2nd Hilo to Volcano 50k Ultramarathon	6:17:20 h	28
2007
17.11	24h	7th Ultracentric 24 Hour Run	45.061 km	79
30.09	50km	14th Vermont 50 km Ultra Run	8:37:17 h	106
08.09	50km	23rd Groundhog Fall 50K	8:31:12 h	88
14.07	50km	13th Buckeye Trail 50k	8:36:00 h	145
07.07	50km	14th Afton Trail Run 50K	7:59:42 h	97
30.06	50km	19th Finger Lakes Fifties 50 km Run	8:09:25 h	66
24.04	50km	17th Trail Mix Race	7:03:19 h	112
2006
30.09	50km	1st Russell B. Cheney	6:58:00 h	13
07.01	50km	7th Salem Lakeshore Frosty Fifty	6:45:09 h	93
2005
02.07	50km	3rd Angel Island 50k	7:42:47 h	25
14.05	50km	7th Capon Valley 50K Run	8:30:15 h	166

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	177,05	×3
✓ 2	2/6/2012	23rd FANS 12 Hour Run	53,33	×1
✓ 3	21/7/2012	6th 12 Hours of Big Bear Trail Run	52,30	×1
✓ 4	18/9/2010	16th Bohemian Alps 50 km Ultramarathon	51,50	×1
✓ 5	19/9/2009	15th Bohemian Alps 50 km Ultramarathon	51,50	×1
✓ 6	20/9/2008	14th Bohemian Alps 50 km Ultramarathon	51,50	×1
✓ 7	17/11/2012	12th Ultracentric 12 Hour Run	51,50	×1
✓ 8	18/11/2011	11th Ultracentric 48 Hour Run	51,50	×1
✓ 9	11/5/2012	3rd 3 Days at the Fair 48 Hour Race	51,08	×1
✓ 10	10/5/2012	3rd 3 Days at the Fair 72 Hour Race	51,08	×1
✓ 11	17/4/2010	2nd Lynch's Wood 24 Hour Run	50,53	×1
✓ 12	4/2/2017	1st Red Dirt Ultra 50 km	50,00	×1
✓ 13	7/3/2015	6th Post Oak Lodge 50K Trail Challenge	50,00	×1
✓ 14	18/1/2014	8th Hilo to Volcano 50k Ultramarathon	50,00	×1
✓ 15	4/1/2014	2nd The Pistol 50 km Ultra Run	50,00	×1
✓ 16	21/4/2013	39th Lake Waramaug 50km Ultra Marathon	50,00	×1
✓ 17	2/3/2013	32th Carl Touchstone Memorial Mississippi Trail 50 km	50,00	×1
✓ 18	19/1/2013	7th Hilo to Volcano 50k Ultramarathon	50,00	×1
✓ 19	12/1/2013	1st Savannah Rails to Trails 50K	50,00	×1
✓ 20	22/7/2012	4th Rosaryville 50 km Trail Run	50,00	×1
✓ 21	29/4/2012	38th Lake Waramaug 50km Ultra Marathon	50,00	×1
✓ 22	3/3/2012	31th Carl Touchstone Memorial Mississippi Trail 50 km	50,00	×1
✓ 23	25/2/2012	3rd Post Oak Lodge 50K Trail Challenge	50,00	×1
✓ 24	11/2/2012	1st Mid-Maryland Ultra 50k	50,00	×1
✓ 25	21/1/2012	6th Hilo to Volcano 50k Ultramarathon	50,00	×1
✓ 26	25/9/2011	18th Vermont 50 km Ultra Run	50,00	×1
✓ 27	22/5/2011	1st Dirty German Endurance Fest 50 km	50,00	×1
✓ 28	23/4/2011	37th Lake Waramaug 50km Ultra Marathon	50,00	×1
✓ 29	5/3/2011	30th Carl Touchstone Memorial Mississippi Trail 50 km	50,00	×1
✓ 30	27/2/2011	2nd Post Oak Lodge 50K Trail Challenge	50,00	×1
✓ 31	12/2/2011	8th Louisville's Love'n the Hills (LLTH 50K)	50,00	×1
✓ 32	22/1/2011	5th Hilo to Volcano 50k Ultramarathon	50,00	×1
✓ 33	16/10/2010	3rd Nashville 50 km Ultra Marathon	50,00	×1
✓ 34	26/9/2010	17th Vermont 50 km Ultra Run	50,00	×1
✓ 35	8/8/2010	4th Turkey Swamp 50 km Race	50,00	×1
✓ 36	7/8/2010	2nd Dahlgren Heritage Rail Trail 50K	50,00	×1
✓ 37	1/8/2010	29th Skyline 50k Endurance Run	50,00	×1
✓ 38	26/7/2010	4th El Scorcho 50k	50,00	×1
✓ 39	17/7/2010	4th Great Cranberry Island 50K Ultra	50,00	×1
✓ 40	10/7/2010	16th Rattlesnake Trail 50K Ultrarun	50,00	×1
✓ 41	25/4/2010	36th Lake Waramaug 50km Ultra Marathon	50,00	×1
✓ 42	6/3/2010	29th Carl Touchstone Memorial Mississippi Trail 50 km	50,00	×1
✓ 43	23/1/2010	4th Hilo to Volcano 50k Ultramarathon	50,00	×1
✓ 44	23/8/2009	4th Montaña de Oro 50 km Race	50,00	×1
✓ 45	2/8/2009	28th Skyline 50k Endurance Run	50,00	×1
✓ 46	11/7/2009	15th Rattlesnake Trail 50K Ultrarun	50,00	×1
✓ 47	5/7/2009	6th Pacifica 50 km Trail Run - Summer Edition	50,00	×1
✓ 48	24/1/2009	3rd Hilo to Volcano 50k Ultramarathon	50,00	×1
✓ 49	10/1/2009	10th Salem Lakeshore Frosty Fifty	50,00	×1
✓ 50	28/9/2008	15th Vermont 50 km Ultra Run	50,00	×1
51	14/9/2008	3rd Turkey & Taturs 50 km Trail Race	50,00	×1
52	8/9/2008	24th Groundhog Fall 50K	50,00	×1
53	24/8/2008	3rd Green Lakes Endurance Run 50 km	50,00	×1
54	19/7/2008	2nd Great Cranberry Island 50K Ultra	50,00	×1
55	12/7/2008	14th Rattlesnake Trail 50K Ultrarun	50,00	×1
56	5/7/2008	15th Afton Trail Run 50K	50,00	×1
57	12/4/2008	1st Chippewa Moraine 50km Ultra Marathon	50,00	×1
58	1/3/2008	27th Carl Touchstone Memorial Mississippi Trail 50 km	50,00	×1
59	19/1/2008	2nd Hilo to Volcano 50k Ultramarathon	50,00	×1
60	30/9/2007	14th Vermont 50 km Ultra Run	50,00	×1
61	8/9/2007	23rd Groundhog Fall 50K	50,00	×1
62	14/7/2007	13th Buckeye Trail 50k	50,00	×1
63	7/7/2007	14th Afton Trail Run 50K	50,00	×1
64	30/6/2007	19th Finger Lakes Fifties 50 km Run	50,00	×1
65	24/4/2007	17th Trail Mix Race	50,00	×1
66	30/9/2006	1st Russell B. Cheney	50,00	×1
67	7/1/2006	7th Salem Lakeshore Frosty Fifty	50,00	×1
68	2/7/2005	3rd Angel Island 50k	50,00	×1
69	14/5/2005	7th Capon Valley 50K Run	50,00	×1
70	7/7/2017	4th Chase the Moon 12 Hour Endurance Run	49,73	—
71	27/4/2019	2nd Silver Moon Race 12 Hour Race	49,00	—
72	29/3/2008	2nd Clinton Lake Ultra	48,28	—
73	26/6/2010	4th 12 Hours of Laramie	47,48	—
74	28/6/2008	2nd 24 Hours of Laramie	47,48	—
75	25/6/2016	6th Dawn to Dusk Endurance Run 8 Hour	45,87	—
76	28/6/2014	4th Dawn to Dusk Endurance Run 8 Hour	45,87	—
77	1/6/2013	24th FANS 12 Hour Run	45,64	—
78	19/10/2019	4th Endless Mile - 12 Hour Race	45,15	—
79	25/6/2011	5th 12 Hours of Laramie	45,06	—
80	17/11/2007	7th Ultracentric 24 Hour Run	45,06	—