David Collins

ID 19724

Born : 1952 Cat. M70 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

33,6%

Rank quotient ?This runner's calculation uses 79 eligible race(s): Σ(rank − 1) = 3 471; Σ finishers = 10 320. 3 471 / 10 320 × 100 = 33.63%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed79

Km — ultra races5 316 km

> 100 km6

> 160 km5

> 24h1

Longest race160,9 km

21st Sulphur Springs Trail Run 100 Mile — 25/5/2013

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road17,8%

Trail82,2%

Wins & podiums (ultra)

🏆 Win0

🏆 Win M0

🏅 Top 30

🏅 Top 3 M2

Longest winning streak0

Current streak0

Records

50 km4h33'18 100 km13h24'36 50 mi8h53'55 100 mi20h53'35 6 h60,11 km 12 h92,50 km 24 h154,02 km

HISTORY

79 race(s)

Date		Race	Perf.	Rk
2019
24.08	100km	1st The Foxtail Hundred 100km Rail Trail Race	13:24:36 h	7
27.07	6h	2nd Tally in the Valley 6 Hour Trail Race	46.000 km	19
15.06	50km	27th Niagara Ultra 50 km	5:20:47 h	51
25.05	50km	27th Sulphur Springs Trail Run 50km	6:18:27 h	59
2018
10.11	50km	1st The Beav Trail Race	6:16:27 h	45
06.10	50km	2nd Sticks'n'Stones Trail Race	5:52:19 h	25
28.07	12h	1st Tally in the Valley 12 Hour Trail Race	90.992 km	4
16.06	50km	26th Niagara Ultra 50 km	5:12:31 h	38
26.05	50km	26th Sulphur Springs Trail Run 50km	5:39:56 h	48
2017
14.10	50km	15th Vulture Bait 50 km Trail Race	5:51:43 h	22
30.09	50km	16th Run for the Toad 50 km	5:22:54 h	41
09.09	50km	22nd Haliburton Forest 50 km Race	6:48:18 h	30
17.06	50km	25th Niagara Ultra 50 km	5:40:35 h	56
27.05	50km	25th Sulphur Springs Trail Run 50km	5:47:38 h	47
2016
28.05	50km	24th Sulphur Springs Trail Run 50km	5:53:42 h	46
2015
03.10	50km	14th Run for the Toad 50 km	5:13:53 h	37
12.09	50mi	20th Haliburton Forest 50 Mile Race	9:50:33 h	11
25.07	12h	9th Dirty girls 12 hour Trail Race - day run	72.000 km	8
04.07	50km	1st Laura Secord Memorial 50K	6:08:22 h	8
23.05	50km	23rd Sulphur Springs Trail Run 50km	4:55:14 h	22
2014
04.10	50km	13th Run for the Toad 50 km	5:00:25 h	36
06.09	50km	19th Haliburton Forest 50 km Race	6:26:29 h	16
24.05	50mi	22nd Sulphur Springs Trail Run 50mi	8:53:55 h	14
2013
07.09	50mi	18th Haliburton Forest 50 Mile Race	10:00:26 h	19
25.05	100mi	21st Sulphur Springs Trail Run 100 Mile	20:53:35 h	17
2012
11.08	6h	6th Dirty girls 6 hour Trail Race	54.300 km	6
07.07	50km	6th Creemore Vertical Challenge 50 km Trail Run	6:20:17 h	39
23.06	50km	20th Niagara Ultra 50 km	5:06:11 h	55
28.04	50km	4th Pick Your Poison 50K Trail Run	6:12:56 h	49
2011
15.10	50km	9th Vulture Bait 50 km Trail Race	5:29:18 h	46
10.09	50mi	16th Haliburton Forest 50 Mile Race	10:49:02 h	19
20.08	50km	1st Iroquoia Trail Test 50 km	6:23:43 h	20
06.08	6h	5th Dirty girls 6 hour Trail Race	45.000 km	19
25.06	100mi	38th Western States 100 Mile Endurance Run	28:56:09 h	257
28.05	50mi	19th Sulphur Springs Trail Run 50mi	9:48:58 h	22
30.04	50km	3rd Pick Your Poison 50K Trail Run	6:57:46 h	30
2010
09.10	50mi	8th Can Lake 50 Mile Ultra	9:26:05 h	35
07.08	12h	4th Dirty girls 12 hour Trail Race	70.000 km	22
19.06	50km	18th Niagara Ultra 50 km	5:24:06 h	75
29.05	50mi	18th Sulphur Springs Trail Run 50mi	9:53:09 h	24
17.04	53.3km	5th Seaton Trail Run 53 km	6:35:03 h	23
2009
21.11	50mi	47th JFK 50 Mile	9:40:45 h	326
31.10	6h	7th Horror Hill 6 Hour Ultra Trail Race	54.500 km	13
17.10	50km	7th Vulture Bait 50 km Trail Race	5:25:17 h	51
04.07	50km	3rd Creemore Vertical Challenge 50 km Trail Run	5:36:26 h	24
20.06	50km	17th Niagara Ultra 50 km	4:42:46 h	31
23.05	50mi	17th Sulphur Springs Trail Run 50mi	9:39:21 h	19
04.04	100mi	15th Umstead Endurance Run 100 Miles	23:17:27 h	57
2008
22.11	50mi	46th JFK 50 Mile	9:29:45 h	249
18.10	50km	6th Vulture Bait 50 km Trail Race	4:57:46 h	19
09.08	12h	2nd Dirty girls 12 hour Trail Race	92.500 km	8
05.07	50km	2nd Creemore Vertical Challenge 50 km Trail Run	5:49:51 h	27
21.06	50km	16th Niagara Ultra 50 km	5:05:05 h	42
24.05	100mi	16th Sulphur Springs Trail Run 100mi	28:20:14 h	28
03.05	50km	8th Toronto Ultra Race 50km	4:43:28 h	6
19.04	52km	3rd Seaton Trail Run 52 km	7:01:21 h	19
2007
17.11	50mi	45th JFK 50 Mile	9:09:07 h	240
13.10	50km	5th Vulture Bait 50 km Trail Race	5:00:17 h	34
08.09	24h	26th Self-Transcendence 24 Hour Race Ottawa	154.020 km	13
11.08	12h	1st Dirty girls 12 hour Trail Race	80.000 km	10
21.07	50km	11th Damn Tuff Ruff Bluff Run	5:27:37 h	18
07.07	50km	1st Creemore Vertical Challenge 50 km Trail Run	6:08:29 h	17
23.06	50km	15th Niagara Ultra 50 km	4:38:48 h	35
25.05	100mi	15th Sulphur Springs Trail Run 100mi	26:36:44 h	19
05.05	50km	7th Toronto Ultra Race 50km	4:33:18 h	7
21.04	78km	2nd Seaton Trail Run 78 km	10:49:38 h	10
2006
18.11	50mi	44th JFK 50 Mile	9:11:57 h	217
14.10	50km	4th Vulture Bait 50 km Trail Race	5:09:51 h	32
09.09	50mi	11th Haliburton Forest 50 Mile Race	10:25:01 h	8
22.07	50km	10th Damn Tuff Ruff Bluff Run	5:41:45 h	27
24.06	50km	14th Niagara Ultra 50 km	4:36:35 h	18
10.06	6h	14th Self Transcendence 6 Hour Run Kingston	60.106 km	23
26.05	50mi	14th Sulphur Springs Trail Run 50mi	10:14:45 h	16
08.04	52km	1st Seaton Trail Run 52 km	6:19:33 h	19
2005
19.11	50mi	43rd JFK 50 Mile	9:38:54 h	276
15.10	50km	3rd Vulture Bait 50 km Trail Race	5:03:32 h	35
01.10	50km	4th Run for the Toad 50 km	5:27:39 h	26
25.06	50km	13th Niagara Ultra 50 km	5:40:11 h	46
2004
26.06	50km	12th Niagara Ultra 50 km	4:40:34 h	18

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	25/5/2013	21st Sulphur Springs Trail Run 100 Mile	160,93	×3
✓ 2	25/6/2011	38th Western States 100 Mile Endurance Run	160,93	×3
✓ 3	4/4/2009	15th Umstead Endurance Run 100 Miles	160,93	×3
✓ 4	24/5/2008	16th Sulphur Springs Trail Run 100mi	160,93	×3
✓ 5	25/5/2007	15th Sulphur Springs Trail Run 100mi	160,93	×3
✓ 6	8/9/2007	26th Self-Transcendence 24 Hour Race Ottawa	154,02	×3
✓ 7	24/8/2019	1st The Foxtail Hundred 100km Rail Trail Race	100,00	×2
✓ 8	9/8/2008	2nd Dirty girls 12 hour Trail Race	92,50	×1
✓ 9	28/7/2018	1st Tally in the Valley 12 Hour Trail Race	90,99	×1
✓ 10	12/9/2015	20th Haliburton Forest 50 Mile Race	80,47	×1
✓ 11	24/5/2014	22nd Sulphur Springs Trail Run 50mi	80,47	×1
✓ 12	7/9/2013	18th Haliburton Forest 50 Mile Race	80,47	×1
✓ 13	10/9/2011	16th Haliburton Forest 50 Mile Race	80,47	×1
✓ 14	28/5/2011	19th Sulphur Springs Trail Run 50mi	80,47	×1
✓ 15	9/10/2010	8th Can Lake 50 Mile Ultra	80,47	×1
✓ 16	29/5/2010	18th Sulphur Springs Trail Run 50mi	80,47	×1
✓ 17	21/11/2009	47th JFK 50 Mile	80,47	×1
✓ 18	23/5/2009	17th Sulphur Springs Trail Run 50mi	80,47	×1
✓ 19	22/11/2008	46th JFK 50 Mile	80,47	×1
✓ 20	17/11/2007	45th JFK 50 Mile	80,47	×1
✓ 21	18/11/2006	44th JFK 50 Mile	80,47	×1
✓ 22	9/9/2006	11th Haliburton Forest 50 Mile Race	80,47	×1
✓ 23	26/5/2006	14th Sulphur Springs Trail Run 50mi	80,47	×1
✓ 24	19/11/2005	43rd JFK 50 Mile	80,47	×1
✓ 25	11/8/2007	1st Dirty girls 12 hour Trail Race	80,00	×1
✓ 26	21/4/2007	2nd Seaton Trail Run 78 km	78,00	×1
✓ 27	25/7/2015	9th Dirty girls 12 hour Trail Race - day run	72,00	×1
✓ 28	7/8/2010	4th Dirty girls 12 hour Trail Race	70,00	×1
✓ 29	10/6/2006	14th Self Transcendence 6 Hour Run Kingston	60,11	×1
✓ 30	31/10/2009	7th Horror Hill 6 Hour Ultra Trail Race	54,50	×1
✓ 31	11/8/2012	6th Dirty girls 6 hour Trail Race	54,30	×1
✓ 32	17/4/2010	5th Seaton Trail Run 53 km	53,30	×1
✓ 33	19/4/2008	3rd Seaton Trail Run 52 km	52,00	×1
✓ 34	8/4/2006	1st Seaton Trail Run 52 km	52,00	×1
✓ 35	15/6/2019	27th Niagara Ultra 50 km	50,00	×1
✓ 36	25/5/2019	27th Sulphur Springs Trail Run 50km	50,00	×1
✓ 37	10/11/2018	1st The Beav Trail Race	50,00	×1
✓ 38	6/10/2018	2nd Sticks'n'Stones Trail Race	50,00	×1
✓ 39	16/6/2018	26th Niagara Ultra 50 km	50,00	×1
✓ 40	26/5/2018	26th Sulphur Springs Trail Run 50km	50,00	×1
✓ 41	14/10/2017	15th Vulture Bait 50 km Trail Race	50,00	×1
✓ 42	30/9/2017	16th Run for the Toad 50 km	50,00	×1
✓ 43	9/9/2017	22nd Haliburton Forest 50 km Race	50,00	×1
✓ 44	17/6/2017	25th Niagara Ultra 50 km	50,00	×1
✓ 45	27/5/2017	25th Sulphur Springs Trail Run 50km	50,00	×1
✓ 46	28/5/2016	24th Sulphur Springs Trail Run 50km	50,00	×1
✓ 47	3/10/2015	14th Run for the Toad 50 km	50,00	×1
✓ 48	4/7/2015	1st Laura Secord Memorial 50K	50,00	×1
✓ 49	23/5/2015	23rd Sulphur Springs Trail Run 50km	50,00	×1
✓ 50	4/10/2014	13th Run for the Toad 50 km	50,00	×1
51	6/9/2014	19th Haliburton Forest 50 km Race	50,00	×1
52	7/7/2012	6th Creemore Vertical Challenge 50 km Trail Run	50,00	×1
53	23/6/2012	20th Niagara Ultra 50 km	50,00	×1
54	28/4/2012	4th Pick Your Poison 50K Trail Run	50,00	×1
55	15/10/2011	9th Vulture Bait 50 km Trail Race	50,00	×1
56	20/8/2011	1st Iroquoia Trail Test 50 km	50,00	×1
57	30/4/2011	3rd Pick Your Poison 50K Trail Run	50,00	×1
58	19/6/2010	18th Niagara Ultra 50 km	50,00	×1
59	17/10/2009	7th Vulture Bait 50 km Trail Race	50,00	×1
60	4/7/2009	3rd Creemore Vertical Challenge 50 km Trail Run	50,00	×1
61	20/6/2009	17th Niagara Ultra 50 km	50,00	×1
62	18/10/2008	6th Vulture Bait 50 km Trail Race	50,00	×1
63	5/7/2008	2nd Creemore Vertical Challenge 50 km Trail Run	50,00	×1
64	21/6/2008	16th Niagara Ultra 50 km	50,00	×1
65	3/5/2008	8th Toronto Ultra Race 50km	50,00	×1
66	13/10/2007	5th Vulture Bait 50 km Trail Race	50,00	×1
67	21/7/2007	11th Damn Tuff Ruff Bluff Run	50,00	×1
68	7/7/2007	1st Creemore Vertical Challenge 50 km Trail Run	50,00	×1
69	23/6/2007	15th Niagara Ultra 50 km	50,00	×1
70	5/5/2007	7th Toronto Ultra Race 50km	50,00	×1
71	14/10/2006	4th Vulture Bait 50 km Trail Race	50,00	×1
72	22/7/2006	10th Damn Tuff Ruff Bluff Run	50,00	×1
73	24/6/2006	14th Niagara Ultra 50 km	50,00	×1
74	15/10/2005	3rd Vulture Bait 50 km Trail Race	50,00	×1
75	1/10/2005	4th Run for the Toad 50 km	50,00	×1
76	25/6/2005	13th Niagara Ultra 50 km	50,00	×1
77	26/6/2004	12th Niagara Ultra 50 km	50,00	×1
78	27/7/2019	2nd Tally in the Valley 6 Hour Trail Race	46,00	—
79	6/8/2011	5th Dirty girls 6 hour Trail Race	45,00	—