Michael Morrin

Born : 1936 Cat. M90 Ultrarunner since 1984

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

84,4%

Rank quotient ?This runner's calculation uses 97 eligible race(s): Σ(rank − 1) = 9 502; Σ finishers = 11 254. 9 502 / 11 254 × 100 = 84.43%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed97

Km — ultra races7 497 km

> 100 km22

> 24h35

> 48h1

Longest race154,6 km

9th Sri Chinmoy 24 Hour Race — 2/5/1987

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road75,7%

Trail23,6%

?0,7%

Records

50 km5h25'09 50 mi9h01'09 6 h45,61 km 12 h96,56 km 24 h154,62 km 48 h115,96 km

HISTORY

97 race(s) · 6 split(s) nested

Date		Race	Perf.	Rk
2013
26.10	24h	5th 24H The Hard Way	54.170 km	113
26.07	24h	17th Around The Lake Ultra 24h	57.517 km	72
25.05	24h	1st Sole Challenge 24 Hour Run	47.303 km	27
2012
27.10	24h	4th 24H The Hard Way	51.080 km	44
2011
13.05	48h	2nd 3 Days at the Fair 48 Hour Race	115.961 km	25
2010
17.04	24h	7th Virginia 24 Hour Run for Cancer	99.779 km	32
2009
03.10	24h	1st North Coast 24 Hour Endurance Run	86.976 km	94
24.07	24h	13th Around The Lake Ultra 24h	81.368 km	35
26.04	50km	35th Lake Waramaug 50km Ultra Marathon	9:24:22 h	38
04.04	50mi	15th Umstead Endurance Run 50 Miles	16:52:30 h	107
2008
02.08	12h	Joe Kleinerman 12-Hour Run Crocheron Park	45.313 km	51
25.07	24h	12th Around The Lake Ultra 24h	86.454 km	34
20.04	50km	34th Lake Waramaug 50km Ultra Marathon	8:51:54 h	56
2007
28.07	24h	11th Around The Lake Ultra 24h	81.368 km	43
29.04	50km	33th Lake Waramaug 50km Ultra Marathon	8:19:39 h	56
2006
29.07	24h	10th Around The Lake Ultra 24h	76.282 km	40
2005
15.10	50km	14th Maine Track Club Ultra 50 km	7:25:16 h	14
10.09	24h	15th Olander Park 24 Hour Run	97.725 km	48
2004
11.09	24h	14th Olander Park 24 Hour Run	113.523 km	44
03.04	50mi	10th Umstead Endurance Run 50 Miles	13:58:17 h	87
2003
13.09	24h	13th Olander Park 24 Hour Run	108.261 km	63
01.08	24h	7th Around The Lake Ultra 24h	108.276 km	10
17.05	50km	1st Long Island Greenbelt Trail 50 km	9:32:40 h	58
27.04	50km	29th Lake Waramaug 50km Ultra Marathon	7:23:02 h	33
05.04	50mi	9th Umstead Endurance Run 50 Miles	14:45:48 h	84
2002
23.11	50mi	40th JFK 50 Mile	14:12:38 h	861
14.09	24h	12th Olander Park 24 Hour Run	112.371 km	92
02.08	24h	6th Around The Lake Ultra 24h	108.276 km	14
13.07	12h	Joe Kleinerman 12-Hour Run Crocheron Park	72.301 km	32
18.05	50km	2nd Long Island Endurance 50K Run	8:23:05 h	24
06.04	50mi	8th Umstead Endurance Run 50 Miles	14:35:04 h	102
2001
17.11	50mi	39th JFK 50 Mile	13:39:01 h	798
15.09	24h	11th Olander Park 24 Hour Run	115.882 km	82
03.08	24h	5th Around The Lake Ultra 24h	82.881 km	30
29.04	50km	27th Lake Waramaug 50km Ultra Marathon	7:00:56 h	27
18.02	50km	9th Kurt Steiner 50K	7:19:29 h	75
2000
19.11	50km	6th The Breakers Marathon - Nifty Fifty Kilometers	6:46:54 h	22
04.11	50mi	38th JFK 50 Mile	13:45:25 h	692
16.09	24h	10th Olander Park 24 Hour Run	115.882 km	77
13.08	50km	Bronx Trail 50 km	7:32:15 h	38
04.08	24h	4th Around The Lake Ultra 24h	103.223 km	21
17.06	12h	Joe Kleinerman 12-Hour Run Crocheron Park	53.124 km	52
23.04	50km	26th Lake Waramaug 50km Ultra Marathon	6:55:01 h	42
21.01	50km	2nd Withlacoochee Rails to Trails 50 km Run	6:22:18 h	13
15.01	50km	UNAFULLUNA 50 km	7:14:22 h	11
1999
20.11	50mi	37th JFK 50 Mile	13:30:59 h	831
03.10	50km	Memorial Run 50 km	6:40:36 h	40
18.09	24h	9th Olander Park 24 Hour Run - US Championships	121.356 km	78
18.09	24h	9th Olander Park 24 Hour Run - Open race	121.356 km	81
13.06	6h	Cirulnick-Innamorato Six Hour Distance Run	45.613 km	36
25.04	50km	25th Lake Waramaug 50km Ultra Marathon	6:44:24 h	31
10.04	50mi	5th Umstead Endurance Run 50 Miles	14:28:18 h	89
31.01	8h	1st Ted Corbitt 80th Birthday Run	54.252 km	32
1998
28.11	50km	6th Kurt Steiner 50K	6:39:15 h	72
21.11	50mi	36th JFK 50 Mile	13:24:53 h	729
19.09	24h	8th Olander Park 24 Hour Run	122.830 km	63
27.06	24h	9th FANS 24 Hour Runs	123.114 km	41
26.04	50km	24th Lake Waramaug 50km Ultra Marathon	6:28:22 h	31
04.04	50mi	4th Umstead Endurance Run 50 Miles	12:56:00 h	52
15.02	60km	19th NYRR Knickerbocker 60K	7:59:20 h	91
1997
22.11	50mi	35th JFK 50 Mile	13:20:17 h	696
26.09	24h	7th Olander Park 24 Hour Run	102.960 km	108
27.04	50km	23th Lake Waramaug 50km Ultra Marathon	6:20:09 h	32
22.03	50km	9th The HAT Run 50K	7:39:10 h	137
1996
14.09	24h	6th Olander Park 24 Hour Run	119.477 km	70
31.08	50km	New York Ultimax 50km Race	7:08:30 h	40
25.05	50km	4th Kurt Steiner 50K	6:05:08 h	28
21.04	50km	22th Lake Waramaug 50km Ultra Marathon	6:55:44 h	20
30.03	50mi	2nd Umstead Endurance Run 50 Miles	12:20:00 h	31
1994
28.05	50km	2nd Kurt Steiner 50K	6:31:31 h	24
1993
20.11	50mi	31st JFK 50 Mile	12:38:59 h	303
17.07	24h	1st Ted Corbitt 24-Hour Run	102.687 km	41
1992
17.10	50km	Del Passatore 50 km Run/Walk	5:52:46 h	12
22.02	50mi	21st Metropolitan 50 Mile Race	10:37:41 h	45
1991
07.12	60km	13th NYRR Knickerbocker 60K	7:21:48 h	40
23.11	50mi	29th JFK 50 Mile	11:52:59 h	259
14.09	24h	14th Sri Chinmoy 24 Hour Race	117.482 km	21
14.09	50mi	14th Sri Chinmoy 24 Hour Race - 50mi Split	12:42:16 h	25
14.09	100km	14th Sri Chinmoy 24 Hour Race - 100km Split	19:17:47 h	23
23.03	50km	3rd The HAT Run 50K	6:44:58 h	68
09.03	50km	4th Sri Chinmoy 50 km Queens	5:25:09 h	9
1990
17.11	50mi	28th JFK 50 Mile	10:49:12 h	206
15.09	24h	13th Sri Chinmoy 24 Hour Race	138.403 km	23
15.09	50mi	13th Sri Chinmoy 24 Hour Race - 50mi Split	11:21:27 h	33
22.06	24h	Long Island 24 Hour Ultramarathon	80.467 km	22
10.03	50km	3rd Sri Chinmoy 50 km Queens	5:33:05 h	17
10.02	60km	12th NYRR Knickerbocker 60K	7:10:36 h	48
1989
18.11	50mi	27th JFK 50 Mile	11:30:35 h	218
09.09	24h	H.I.S. 24 Hour	136.794 km	4
13.05	12h	5th 12 Hour Run Syosset	86.934 km	31
1988
01.10	50km	Del Passatore 50 km Run/Walk	6:01:50 h	25
24.09	24h	11th Sri Chinmoy 24 Hour Race	141.622 km	18
24.09	50mi	11th Sri Chinmoy 24 Hour Race - 50mi Split	10:52:52 h	26
24.09	100km	11th Sri Chinmoy 24 Hour Race - 100km Split	14:22:44 h	23
1987
02.05	24h	9th Sri Chinmoy 24 Hour Race	154.617 km	23
02.05	50mi	9th Sri Chinmoy 24 Hour Race - 50mi Split	9:54:00 h	25
1986
21.07	12h	Sri Chinmoy 12 Hour Race Arlington	96.560 km	15
25.04	24h	8th Sri Chinmoy 24 Hour Race	148.059 km	15
1985
28.04	50mi	12th Lake Waramaug 50mi Ultra Marathon	9:01:09 h	44
16.03	60km	7th NYRR Knickerbocker 60K	6:15:47 h	56
1984
07.10	36mi	National Capital 36 Mile Run	6:17:41 h	61
23.09	50km	National TAC 50 km Championchip	5:28:59 h	24
29.04	50mi	11th Lake Waramaug 50mi Ultra Marathon	9:43:24 h	55

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	2/5/1987	9th Sri Chinmoy 24 Hour Race	154,62	×2
✓ 2	25/4/1986	8th Sri Chinmoy 24 Hour Race	148,06	×2
✓ 3	24/9/1988	11th Sri Chinmoy 24 Hour Race	141,62	×2
✓ 4	15/9/1990	13th Sri Chinmoy 24 Hour Race	138,40	×2
✓ 5	9/9/1989	H.I.S. 24 Hour	136,79	×2
✓ 6	27/6/1998	9th FANS 24 Hour Runs	123,11	×2
✓ 7	19/9/1998	8th Olander Park 24 Hour Run	122,83	×2
✓ 8	18/9/1999	9th Olander Park 24 Hour Run - US Championships	121,36	×2
✓ 9	14/9/1996	6th Olander Park 24 Hour Run	119,48	×1
✓ 10	14/9/1991	14th Sri Chinmoy 24 Hour Race	117,48	×1
✓ 11	13/5/2011	2nd 3 Days at the Fair 48 Hour Race	115,96	×1
✓ 12	15/9/2001	11th Olander Park 24 Hour Run	115,88	×1
✓ 13	16/9/2000	10th Olander Park 24 Hour Run	115,88	×1
✓ 14	11/9/2004	14th Olander Park 24 Hour Run	113,52	×1
✓ 15	14/9/2002	12th Olander Park 24 Hour Run	112,37	×1
✓ 16	1/8/2003	7th Around The Lake Ultra 24h	108,28	×1
✓ 17	2/8/2002	6th Around The Lake Ultra 24h	108,28	×1
✓ 18	13/9/2003	13th Olander Park 24 Hour Run	108,26	×1
✓ 19	4/8/2000	4th Around The Lake Ultra 24h	103,22	×1
✓ 20	26/9/1997	7th Olander Park 24 Hour Run	102,96	×1
✓ 21	17/7/1993	1st Ted Corbitt 24-Hour Run	102,69	×1
✓ 22	17/4/2010	7th Virginia 24 Hour Run for Cancer	99,78	×1
✓ 23	10/9/2005	15th Olander Park 24 Hour Run	97,73	×1
✓ 24	21/7/1986	Sri Chinmoy 12 Hour Race Arlington	96,56	×1
✓ 25	3/10/2009	1st North Coast 24 Hour Endurance Run	86,98	×1
✓ 26	13/5/1989	5th 12 Hour Run Syosset	86,93	×1
✓ 27	25/7/2008	12th Around The Lake Ultra 24h	86,45	×1
✓ 28	3/8/2001	5th Around The Lake Ultra 24h	82,88	×1
✓ 29	24/7/2009	13th Around The Lake Ultra 24h	81,37	×1
✓ 30	28/7/2007	11th Around The Lake Ultra 24h	81,37	×1
✓ 31	4/4/2009	15th Umstead Endurance Run 50 Miles	80,47	×1
✓ 32	3/4/2004	10th Umstead Endurance Run 50 Miles	80,47	×1
✓ 33	5/4/2003	9th Umstead Endurance Run 50 Miles	80,47	×1
✓ 34	23/11/2002	40th JFK 50 Mile	80,47	×1
✓ 35	6/4/2002	8th Umstead Endurance Run 50 Miles	80,47	×1
✓ 36	17/11/2001	39th JFK 50 Mile	80,47	×1
✓ 37	4/11/2000	38th JFK 50 Mile	80,47	×1
✓ 38	20/11/1999	37th JFK 50 Mile	80,47	×1
✓ 39	10/4/1999	5th Umstead Endurance Run 50 Miles	80,47	×1
✓ 40	21/11/1998	36th JFK 50 Mile	80,47	×1
✓ 41	4/4/1998	4th Umstead Endurance Run 50 Miles	80,47	×1
✓ 42	22/11/1997	35th JFK 50 Mile	80,47	×1
✓ 43	30/3/1996	2nd Umstead Endurance Run 50 Miles	80,47	×1
✓ 44	20/11/1993	31st JFK 50 Mile	80,47	×1
✓ 45	22/2/1992	21st Metropolitan 50 Mile Race	80,47	×1
✓ 46	23/11/1991	29th JFK 50 Mile	80,47	×1
✓ 47	17/11/1990	28th JFK 50 Mile	80,47	×1
✓ 48	18/11/1989	27th JFK 50 Mile	80,47	×1
✓ 49	28/4/1985	12th Lake Waramaug 50mi Ultra Marathon	80,47	×1
✓ 50	29/4/1984	11th Lake Waramaug 50mi Ultra Marathon	80,47	×1
✓ 51	22/6/1990	Long Island 24 Hour Ultramarathon	80,47	×1
✓ 52	29/7/2006	10th Around The Lake Ultra 24h	76,28	×1
✓ 53	13/7/2002	Joe Kleinerman 12-Hour Run Crocheron Park	72,30	×1
✓ 54	15/2/1998	19th NYRR Knickerbocker 60K	60,00	×1
✓ 55	7/12/1991	13th NYRR Knickerbocker 60K	60,00	×1
✓ 56	10/2/1990	12th NYRR Knickerbocker 60K	60,00	×1
✓ 57	16/3/1985	7th NYRR Knickerbocker 60K	60,00	×1
58	7/10/1984	National Capital 36 Mile Run	57,94	—
59	26/7/2013	17th Around The Lake Ultra 24h	57,52	—
60	31/1/1999	1st Ted Corbitt 80th Birthday Run	54,25	—
61	26/10/2013	5th 24H The Hard Way	54,17	—
62	17/6/2000	Joe Kleinerman 12-Hour Run Crocheron Park	53,12	—
63	27/10/2012	4th 24H The Hard Way	51,08	—
64	26/4/2009	35th Lake Waramaug 50km Ultra Marathon	50,00	—
65	20/4/2008	34th Lake Waramaug 50km Ultra Marathon	50,00	—
66	29/4/2007	33th Lake Waramaug 50km Ultra Marathon	50,00	—
67	15/10/2005	14th Maine Track Club Ultra 50 km	50,00	—
68	17/5/2003	1st Long Island Greenbelt Trail 50 km	50,00	—
69	27/4/2003	29th Lake Waramaug 50km Ultra Marathon	50,00	—
70	18/5/2002	2nd Long Island Endurance 50K Run	50,00	—
71	29/4/2001	27th Lake Waramaug 50km Ultra Marathon	50,00	—
72	18/2/2001	9th Kurt Steiner 50K	50,00	—
73	19/11/2000	6th The Breakers Marathon - Nifty Fifty Kilometers	50,00	—
74	13/8/2000	Bronx Trail 50 km	50,00	—
75	23/4/2000	26th Lake Waramaug 50km Ultra Marathon	50,00	—
76	21/1/2000	2nd Withlacoochee Rails to Trails 50 km Run	50,00	—
77	15/1/2000	UNAFULLUNA 50 km	50,00	—
78	3/10/1999	Memorial Run 50 km	50,00	—
79	25/4/1999	25th Lake Waramaug 50km Ultra Marathon	50,00	—
80	28/11/1998	6th Kurt Steiner 50K	50,00	—
81	26/4/1998	24th Lake Waramaug 50km Ultra Marathon	50,00	—
82	27/4/1997	23th Lake Waramaug 50km Ultra Marathon	50,00	—
83	22/3/1997	9th The HAT Run 50K	50,00	—
84	31/8/1996	New York Ultimax 50km Race	50,00	—
85	25/5/1996	4th Kurt Steiner 50K	50,00	—
86	21/4/1996	22th Lake Waramaug 50km Ultra Marathon	50,00	—
87	28/5/1994	2nd Kurt Steiner 50K	50,00	—
88	17/10/1992	Del Passatore 50 km Run/Walk	50,00	—
89	23/3/1991	3rd The HAT Run 50K	50,00	—
90	9/3/1991	4th Sri Chinmoy 50 km Queens	50,00	—
91	10/3/1990	3rd Sri Chinmoy 50 km Queens	50,00	—
92	1/10/1988	Del Passatore 50 km Run/Walk	50,00	—
93	23/9/1984	National TAC 50 km Championchip	50,00	—
94	25/5/2013	1st Sole Challenge 24 Hour Run	47,30	—
95	13/6/1999	Cirulnick-Innamorato Six Hour Distance Run	45,61	—
96	2/8/2008	Joe Kleinerman 12-Hour Run Crocheron Park	45,31	—