USMS Top 10 Swims by Dennis A O Brien (214)

Below are all recorded individual Top 10 achievements for Dennis A O Brien since 1971.

2008 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
6	M70-74 1000 Free	Dennis A O'Brien	72	CMS	Colorado	14:40.52
10	M70-74 50 Breast	Dennis O'Brien	72	CMS	Colorado	38.97
6	M70-74 50 Fly	Dennis A O'Brien	72	CMS	Colorado	32.84
6	M70-74 100 Fly	Dennis A O'Brien	72	CMS	Colorado	1:25.18
3	M70-74 200 Fly	Dennis A O'Brien	72	CMS	Colorado	3:20.99
5	M70-74 200 IM	Dennis A O'Brien	72	CMS	Colorado	2:55.22
2	M70-74 400 IM	Dennis A O'Brien	72	CMS	Colorado	6:22.28

2007 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
4	M70-74 200 Free	Dennis A O'Brien	71	CMS	Colorado	2:27.94
6	M70-74 50 Breast	Dennis O'Brien	71	CMS	Colorado	37.06
5	M70-74 50 Fly	Dennis A O'Brien	71	CMS	Colorado	31.26
2	M70-74 100 Fly	Dennis A O'Brien	71	CMS	Colorado	1:13.19
2	M70-74 200 Fly	Dennis A O'Brien	71	CMS	Colorado	3:05.93
2	M70-74 200 IM	Dennis A O'Brien	71	CMS	Colorado	2:46.37
2	M70-74 400 IM	Dennis O'Brien	71	CMS	Colorado	6:05.75

2006 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
6	M70-74 50 Breast	Dennis A O'Brien	70	CMS	Colorado	37.22
2	M70-74 50 Fly	Dennis A O'Brien	70	CMS	Colorado	30.24
1	M70-74 100 Fly	Dennis A O'Brien	70	CMS	Colorado	1:11.11
1	M70-74 200 Fly	Dennis A O'Brien	70	CMS	Colorado	2:58.31
1	M70-74 200 IM	Dennis A O'Brien	70	CMS	Colorado	2:44.98
1	M70-74 400 IM	Dennis A O'Brien	70	CMS	Colorado	5:58.17

2005 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
10	M65-69 200 Free	Dennis A O'Brien	69	CMS	Colorado	2:29.48
10	M65-69 500 Free	Dennis A O'Brien	69	CMS	Colorado	6:57.09
7	M65-69 1000 Free	Dennis A O'Brien	69	CMS	Colorado	14:27.37
10	M65-69 50 Fly	Dennis A O'Brien	69	CMS	Colorado	31.65
5	M65-69 100 Fly	Dennis A O'Brien	69	CMS	Colorado	1:16.20
6	M65-69 200 IM	Dennis A O'Brien	69	CMS	Colorado	2:46.15
2	M65-69 400 IM	Dennis A O'Brien	69	CMS	Colorado	6:02.52

2004 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
8	M65-69 50 Breast	Dennis A O'Brien	68	RMM	Colorado	36.54
5	M65-69 50 Fly	Dennis A O'Brien	68	RMM	Colorado	30.06
2	M65-69 100 Fly	Dennis A O'Brien	68	RMM	Colorado	1:12.85
3	M65-69 200 Fly	Dennis A O'Brien	68	RMM	Colorado	3:00.32
6	M65-69 100 IM	Dennis A O'Brien	68	RMM	Colorado	1:12.62
2	M65-69 200 IM	Dennis A O'Brien	68	RMM	Colorado	2:43.00
2	M65-69 400 IM	Dennis A O'Brien	68	RMM	Colorado	5:53.37

2003 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
5	M65-69 50 Breast	Dennis A O'Brien	67	RMM	Colorado	35.60
9	M65-69 100 Breast	Dennis O'Brien	67	RMM	Colorado	1:22.87
4	M65-69 50 Fly	Dennis A O'Brien	67	RMM	Colorado	29.66
2	M65-69 100 Fly	Dennis O'Brien	67	RMM	Colorado	1:09.58
1	M65-69 200 Fly	Dennis A O'Brien	67	RMM	Colorado	2:48.63
5	M65-69 200 IM	Dennis O'Brien	67	RMM	Colorado	2:42.15
1	M65-69 400 IM	Dennis A O'Brien	67	RMM	Colorado	5:41.45

2002 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
6	M65-69 1000 Free	Dennis O'Brien	66	RMM	Colorado	13:54.08
10	M65-69 50 Breast	Dennis A O'Brien	66	RMM	Colorado	36.35
4	M65-69 50 Fly	Dennis A O'Brien	66	RMM	Colorado	29.87
1	M65-69 100 Fly	Dennis Obrien	66	RMM	Colorado	1:08.84
1	M65-69 200 Fly	Dennis A O'Brien	66	RMM	Colorado	2:49.22
4	M65-69 100 IM	Dennis Obrien	66	RMM	Colorado	1:12.36
2	M65-69 200 IM	Dennis A O'Brien	66	RMM	Colorado	2:35.88
1	M65-69 400 IM	Dennis Obrien	66	RMM	Colorado	5:39.61

2001 Long Course Meters

Place	Event	Name	Age	Club	LMSC	Time
3	M65-69 50 Fly	Dennis A O'Brien	66	RMM	Colorado	34.01
1	M65-69 100 Fly	Dennis A O'Brien	66	RMM	Colorado	1:18.75
1	M65-69 200 Fly	Dennis A O'Brien	66	RMM	Colorado	3:16.82
2	M65-69 200 IM	Dennis A O'Brien	66	RMM	Colorado	3:04.66
1	M65-69 400 IM	Dennis A O'Brien	66	RMM	Colorado	6:42.29

2001 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
7	M65-69 1000 Free	Dennis O'Brien	65	RMM	Colorado	13:58.80
4	M65-69 50 Fly	Dennis A O'Brien	65	RMM	Colorado	29.62
3	M65-69 100 Fly	Dennis A O'Brien	65	RMM	Colorado	1:07.71
3	M65-69 200 Fly	Dennis A O'Brien	65	RMM	Colorado	2:44.41
7	M65-69 100 IM	Dennis O'Brien	65	RMM	Colorado	1:13.00
3	M65-69 200 IM	Dennis A O'Brien	65	RMM	Colorado	2:34.11
2	M65-69 400 IM	Dennis A O'Brien	65	RMM	Colorado	5:40.19

2000 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
9	M60-64 1000 Free	Dennis Obrien	64	RMM	Colorado	13:54.25
9	M60-64 50 Fly	Dennis O'Brien	64	RMM	Colorado	29.49
2	M60-64 100 Fly	Dennis O'Brien	64	RMM	Colorado	1:08.09
1	M60-64 200 Fly	Dennis O'Brien	64	RMM	Colorado	2:44.89
1	M60-64 400 IM	Dennis O'Brien	64	RMM	Colorado	5:34.77

1999 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
5	M60-64 50 Fly	Dennis O'Brien	63	RMM	Colorado	29.41
3	M60-64 100 Fly	Dennis O'Brien	63	RMM	Colorado	1:07.94
2	M60-64 200 Fly	Dennis O'Brien	63	RMM	Colorado	2:43.58
4	M60-64 200 IM	Dennis O'Brien	63	RMM	Colorado	2:35.22
3	M60-64 400 IM	Dennis O'Brien	63	RMM	Colorado	5:38.55

1998 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
6	M60-64 1000 Free	Dennis A O'Brien	62	RMM	Colorado	13:21.91
2	M60-64 200 Breast	Dennis Obrien	62	RMM	Colorado	2:47.69
7	M60-64 50 Fly	Dennis A O'Brien	62	RMM	Colorado	29.79
2	M60-64 100 Fly	Dennis A O'Brien	62	RMM	Colorado	1:07.40
1	M60-64 200 Fly	Dennis A O'Brien	62	RMM	Colorado	2:38.50
1	M60-64 400 IM	Dennis A O'Brien	62	RMM	Colorado	5:34.53

1997 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
3	M60-64 1000 Free	Dennis O'Brien	61	RMM	Colorado	13:05.66
7	M60-64 50 Fly	Dennis O'Brien	61	RMM	Colorado	29.61
2	M60-64 100 Fly	Dennis O'Brien	61	RMM	Colorado	1:07.72
1	M60-64 200 Fly	Dennis O'Brien	61	RMM	Colorado	2:41.75
2	M60-64 400 IM	Dennis O'Brien	61	RMM	Colorado	5:30.86

1996 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
9	M60-64 50 Fly	Dennis O'Brien	60	RMM	Colorado	30.32
2	M60-64 100 Fly	Dennis O'Brien	60	RMM	Colorado	1:06.51
2	M60-64 200 Fly	Dennis O'Brien	60	RMM	Colorado	2:37.44
6	M60-64 200 IM	Dennis O'Brien	60	RMM	Colorado	2:35.66
5	M60-64 400 IM	Dennis O'Brien	60	RMM	Colorado	5:51.40

1995 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
10	M55-59 100 Fly	Dennis O'Brien	59	RMM	Colorado	1:10.94
6	M55-59 200 Fly	Dennis O'Brien	59	RMM	Colorado	2:52.46
9	M55-59 400 IM	Dennis O'Brien	59	RMM	Colorado	5:42.90

1994 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
6	M55-59 100 Fly	Dennis O'Brien	58	RMM	Colorado	1:08.27
8	M55-59 200 Fly	Dennis O'Brien	58	RMM	Colorado	2:43.02
9	M55-59 200 IM	Dennis O'Brien	58	RMM	Colorado	2:35.40
7	M55-59 400 IM	Dennis O'Brien	58	RMM	Colorado	5:40.60

1993 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
9	M55-59 100 Fly	Dennis Obrien	57	RMM	Colorado	1:10.20
7	M55-59 200 Fly	Dennis Obrien	57	RMM	Colorado	2:49.52
10	M55-59 400 IM	Dennis Obrien	57	RMM	Colorado	5:48.78

1992 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
4	M55-59 100 Fly	Dennis O'Brien	56	RMM	Colorado	1:08.15
3	M55-59 200 Fly	Dennis O'Brien	56	RMM	Colorado	2:41.23
3	M55-59 400 IM	Dennis O'Brien	56	RMM	Colorado	5:30.06

1991 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
8	M55-59 50 Fly	Dennis O'Brien	55	RMM	Colorado	29.24
2	M55-59 100 Fly	Dennis O'Brien	55	RMM	Colorado	1:07.21
2	M55-59 200 Fly	Dennis O'Brien	55	RMM	Colorado	2:35.57
3	M55-59 200 IM	Dennis O'Brien	55	RMM	Colorado	2:31.64
4	M55-59 400 IM	Dennis O'Brien	55	RMM	Colorado	5:27.85

1990 Short Course Meters

Place	Event	Name	Age	Club	LMSC	Time
10	M50-54 200 Free	Dennis O'Brien	54	RMM	Colorado	2:36.06
4	M50-54 50 Fly	Dennis O'Brien	54	RMM	Colorado	32.35
5	M50-54 100 Fly	Dennis O'Brien	54	RMM	Colorado	1:16.51
5	M50-54 100 IM	Dennis O'Brien	54	RMM	Colorado	1:17.82
3	M50-54 200 IM	Dennis O'Brien	54	RMM	Colorado	2:53.63

1990 Long Course Meters

Place	Event	Name	Age	Club	LMSC	Time
7	M50-54 100 Fly	Dennis O'Brien	54	RMM	Colorado	1:18.22
7	M50-54 200 Fly	Dennis O'Brien	54	RMM	Colorado	3:07.86
9	M50-54 200 IM	Dennis O'Brien	54	RMM	Colorado	2:56.97
8	M50-54 400 IM	Dennis O'Brien	54	RMM	Colorado	6:25.48

1990 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
8	M50-54 100 Fly	Dennis O'Brien	54	RMM	Colorado	1:06.38
10	M50-54 200 Fly	Dennis O'Brien	54	RMM	Colorado	2:41.62
10	M50-54 400 IM	Dennis O'Brien	54	RMM	Colorado	5:33.12

1989 Short Course Meters

Place	Event	Name	Age	Club	LMSC	Time
9	M50-54 200 Free	Dennis O'Brien	53	RMM	Colorado	2:35.24
6	M50-54 400 Free	Dennis O'Brien	53	RMM	Colorado	5:28.96
9	M50-54 50 Fly	Dennis O'Brien	53	RMM	Colorado	32.07
6	M50-54 100 Fly	Dennis O'Brien	53	RMM	Colorado	1:16.26
8	M50-54 100 IM	Dennis O'Brien	53	RMM	Colorado	1:17.13
6	M50-54 200 IM	Dennis O'Brien	53	RMM	Colorado	2:50.10

1989 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
7	M50-54 100 Fly	Dennis O'Brien	53	RMM	Colorado	1:06.34
7	M50-54 200 Fly	Dennis O'Brien	53	RMM	Colorado	2:37.24
6	M50-54 200 IM	Dennis O'Brien	53	RMM	Colorado	2:31.30
7	M50-54 400 IM	Dennis O'Brien	53	RMM	Colorado	5:30.82

1988 Short Course Meters

Place	Event	Name	Age	Club	LMSC	Time
8	M50-54 400 Free	Dennis O'Brien	52	RMM	Colorado	5:36.17
6	M50-54 1500 Free	Dennis O'Brien	52	RMM	Colorado	22:40.04
10	M50-54 50 Fly	Dennis O'Brien	52	RMM	Colorado	32.73
4	M50-54 100 Fly	Dennis O'Brien	52	RMM	Colorado	1:15.70

1988 Long Course Meters

Place	Event	Name	Age	Club	LMSC	Time
7	M50-54 100 Fly	Dennis O'Brien	52	RMM	Colorado	1:18.78
9	M50-54 200 Fly	Dennis O'Brien	52	RMM	Colorado	3:15.87

1988 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
10	M50-54 1650 Free	Dennis O'Brien	52	RMM	Colorado	21:34.54
7	M50-54 100 Fly	Dennis O'Brien	52	RMM	Colorado	1:04.76
3	M50-54 200 Fly	Dennis O'Brien	52	RMM	Colorado	2:37.05
3	M50-54 400 IM	Dennis O'Brien	52	RMM	Colorado	5:21.20

1987 Short Course Meters

Place	Event	Name	Age	Club	LMSC	Time
5	M50-54 200 Free	Dennis O'Brien	51	RMM	Colorado	2:35.13
8	M50-54 400 Free	Dennis O'Brien	51	RMM	Colorado	5:39.95
5	M50-54 50 Fly	Dennis O'Brien	51	RMM	Colorado	32.73
2	M50-54 100 Fly	Dennis O'Brien	51	RMM	Colorado	1:16.06
5	M50-54 100 IM	Dennis O'Brien	51	RMM	Colorado	1:17.99

1987 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
9	M50-54 500 Free	Dennis O'Brien	51	RMM	Colorado	6:07.06
10	M50-54 50 Fly	Dennis O'Brien	51	RMM	Colorado	28.45
4	M50-54 100 Fly	Dennis O'Brien	51	RMM	Colorado	1:05.39
6	M50-54 200 Fly	Dennis O'Brien	51	RMM	Colorado	2:38.45
8	M50-54 400 IM	Dennis O'Brien	51	RMM	Colorado	5:26.64

1986 Long Course Meters

Place	Event	Name	Age	Club	LMSC	Time
9	M50-54 400 Free	Dennis O'Brien	50	RMM	Colorado	5:28.45
6	M50-54 1500 Free	Dennis O'Brien	50	RMM	Colorado	22:01.39
4	M50-54 50 Fly	Dennis O'Brien	50	RMM	Colorado	32.01
2	M50-54 100 Fly	Dennis O'Brien	50	RMM	Colorado	1:15.29
2	M50-54 200 Fly	Dennis O'Brien	50	RMM	Colorado	3:01.89
4	M50-54 400 IM	Dennis O'Brien	50	RMM	Colorado	6:11.76

1986 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
7	M50-54 500 Free	Dennis O'Brien	50	RMM	Colorado	5:54.34
3	M50-54 100 Fly	Dennis O'Brien	50	RMM	Colorado	1:05.67
5	M50-54 200 Fly	Dennis O'Brien	50	RMM	Colorado	2:48.33
9	M50-54 400 IM	Dennis O'Brien	50	RMM	Colorado	5:39.95

1985 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
10	M45-49 200 Fly	Dennis O'Brien	49	RMM	Colorado	2:38.24
10	M45-49 400 IM	Dennis O'Brien	49	RMM	Colorado	5:28.66

1984 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
7	M45-49 200 Fly	Dennis O'Brien	48	RMM	Colorado	2:31.39
8	M45-49 400 IM	Dennis O'Brien	48	RMM	Colorado	5:28.46

1983 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
4	M45-49 200 Fly	Dennis O'Brien	47	RMM	Colorado	2:26.58
5	M45-49 400 IM	Dennis O'Brien	47	RMM	Colorado	5:23.77

1982 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
7	M45-49 100 Fly	Dennis O'Brien	46	RMM	Colorado	1:04.39
2	M45-49 200 Fly	Dennis O'Brien	46	RMM	Colorado	2:34.10
9	M45-49 400 IM	Dennis O'Brien	46	RMM	Colorado	5:27.50

1981 Long Course Meters

Place	Event	Name	Age	Club	LMSC	Time
9	M45-49 50 Fly	Dennis O'Brien	45	RMM	Colorado	33.34
2	M45-49 100 Fly	Dennis O'Brien	45	RMM	Colorado	1:16.02
5	M45-49 200 Fly	Dennis O'Brien	45	RMM	Colorado	3:10.77
8	M45-49 200 IM	Dennis O'Brien	45	RMM	Colorado	2:56.17
5	M45-49 400 IM	Dennis O'Brien	45	RMM	Colorado	6:26.18

1981 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
7	M45-49 500 Free	Dennis O'Brien	45	RMM	Colorado	5:58.17
4	M45-49 100 Fly	Dennis O'Brien	45	RMM	Colorado	1:04.01
2	M45-49 200 Fly	Dennis O'Brien	45	RMM	Colorado	2:32.94
5	M45-49 200 IM	Dennis O'Brien	45	RMM	Colorado	2:28.24
4	M45-49 400 IM	Dennis O'Brien	45	RMM	Colorado	5:19.96

1980 Long Course Meters

Place	Event	Name	Age	Club	LMSC	Time
10	M40-44 100 Fly	Dennis O'Brien	44	RMM	Colorado	1:15.43

1980 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
10	M40-44 1650 Free	Dennis O'Brien	44	RMM	Colorado	20:46.12
9	M40-44 100 Fly	Dennis O'Brien	44	RMM	Colorado	1:02.80
6	M40-44 200 Fly	Dennis O'Brien	44	RMM	Colorado	2:33.00
9	M40-44 200 IM	Dennis O'Brien	44	RMM	Colorado	2:26.85
6	M40-44 400 IM	Dennis O'Brien	44	RMM	Colorado	5:23.33

1979 Long Course Meters

Place	Event	Name	Age	Club	LMSC	Time
7	M40-44 400 Free	Dennis O'Brien	43	RMM	Colorado	5:13.39
6	M40-44 1500 Free	Dennis O'Brien	43	RMM	Colorado	21:25.15
3	M40-44 100 Fly	Dennis O'Brien	43	RMM	Colorado	1:11.39
7	M40-44 200 IM	Dennis O'Brien	43	RMM	Colorado	2:48.19
5	M40-44 400 IM	Dennis O'Brien	43	RMM	Colorado	6:04.49

1979 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
9	M40-44 1650 Free	Dennis O'Brien	43	RMM	Colorado	20:31.89
2	M40-44 100 Fly	Dennis O'Brien	43	RMM	Colorado	1:01.30
5	M40-44 200 Fly	Dennis O'Brien	43	RMM	Colorado	2:28.86
10	M40-44 200 IM	Dennis O'Brien	43	RMM	Colorado	2:24.56
8	M40-44 400 IM	Dennis O'Brien	43	RMM	Colorado	5:18.31

1978 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
7	M40-44 1650 Free	Dennis O'Brien	42	RMM	Colorado	20:46.56
4	M40-44 100 Fly	Dennis O'Brien	42	RMM	Colorado	1:01.38
4	M40-44 200 Fly	Dennis O'Brien	42	RMM	Colorado	2:35.90
5	M40-44 400 IM	Dennis O'Brien	42	RMM	Colorado	5:21.40

1977 Long Course Meters

Place	Event	Name	Age	Club	LMSC	Time
5	M40-44 400 Free	Dennis O'Brien	41	RMM	Colorado	5:20.10
5	M40-44 50 Fly	Dennis O'Brien	41	RMM	Colorado	30.94
2	M40-44 100 Fly	Dennis O'Brien	41	RMM	Colorado	1:13.66
5	M40-44 200 Fly	Dennis O'Brien	41	RMM	Colorado	3:08.69
5	M40-44 200 IM	Dennis O'Brien	41	RMM	Colorado	2:49.91
3	M40-44 400 IM	Dennis O'Brien	41	RMM	Colorado	6:14.80

1977 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
4	M40-44 50 Fly	Dennis O'Brien	41	RMM	Colorado	27.20
5	M40-44 100 Fly	Dennis O'Brien	41	RMM	Colorado	1:02.21
4	M40-44 200 Fly	Dennis O'Brien	41	RMM	Colorado	2:34.06
7	M40-44 200 IM	Dennis O'Brien	41	RMM	Colorado	2:26.92
5	M40-44 400 IM	Dennis O'Brien	41	RMM	Colorado	5:21.79

1976 Long Course Meters

Place	Event	Name	Age	Club	LMSC	Time
5	M40-44 50 Fly	Dennis O'Brien	40	RMM	Colorado	32.27
4	M40-44 100 Fly	Dennis O'Brien	40	RMM	Colorado	1:17.38
5	M40-44 200 IM	Dennis O'Brien	40	RMM	Colorado	2:54.27

1976 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
7	M40-44 100 Fly	Dennis O'Brien	40	RMM	Colorado	1:05.06
8	M40-44 200 Fly	Dennis O'Brien	40	RMM	Colorado	2:41.57
9	M40-44 200 IM	Dennis O'Brien	40	RMM	Colorado	2:32.33
7	M40-44 400 IM	Dennis O'Brien	40	RMM	Colorado	5:33.96

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USMS Top 10 Relay Swims by Dennis A O Brien (37)

Below are all recorded relay Top 10 achievements for Dennis A O Brien since 1971.

2007 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
6	X65+ 200 Free	Dennis A O'Brien	71	CMS	Colorado	2:26.64

2006 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
2	X65+ 200 Free	Dennis A O'Brien	70	CMS	Colorado	2:16.13
7	M65+ 200 Free	Dennis A O'Brien	70	CMS	Colorado	2:27.96
2	X65+ 200 Medley	Dennis A O'Brien	70	CMS	Colorado	2:32.30
7	M65+ 200 Medley	Dennis A O'Brien	70	CMS	Colorado	2:35.03

2003 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
4	X65+ 200 Medley	Dennis A O'Brien	67	RMM	Colorado	2:37.45

2002 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
6	X65+ 200 Free	Dennis A O'Brien	66	RMM	Colorado	2:43.68
7	X65+ 200 Medley	Dennis A O'Brien	66	RMM	Colorado	2:58.10
8	M65+ 200 Medley	Dennis A O'Brien	66	RMM	Colorado	2:40.41

2000 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
10	M55+ 200 Medley	Dennis Obrien	64	DR	Colorado	2:17.55

1999 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
8	M55+ 200 Medley	Dennis O'Brien	63	RMM	Colorado	2:07.64

1997 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
10	X55+ 200 Free	Dennis O'Brien	61	RMM		2:13.99
4	M55+ 200 Medley	Dennis O'Brien	61	RMM		2:07.74

1996 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
4	M55+ 200 Free	Dennis O'Brien	60	RMM		1:52.32

1995 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
10	M55+ 200 Medley	Dennis O'Brien	59	RMM		2:21.26

1994 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
4	M55+ 200 Free	Dennis O'Brien	58	ROCKY MOUNTAIN		1:51.68
2	M55+ 200 Medley	Dennis O'Brien	58	ROCKY MOUNTAIN		2:02.71

1991 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
7	X55+ 200 Free	Dennis O'Brien	55	ROCKY MOUNTAIN		2:11.15
7	M55+ 200 Medley	Dennis O'Brien	55	ROCKY MOUNTAIN		2:11.79

1989 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
10	M45+ 200 Medley	Dennis O'Brien	53	ROCKY MOUNTAIN		2:01.13

1988 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
3	X45+ 200 Free	Dennis O'Brien	0	ROCKY MTN		1:53.22
5	X45+ 200 Medley	Dennis O'Brien	0	ROCKY MTN		2:13.09

1987 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
10	X45+ 200 Free	Dennis O'Brien	0	Rocky Mountain Masters	Colorado	2:02.48

1984 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
6	M45+ 200 Free	Dennis O'Brien	49	ROCKY MOUNTAIN	Colorado	1:48.52

1983 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
5	X45+ 200 Free	Dennis O'Brien	47	ROCKY MOUNTAIN	Colorado	1:58.09
5	X45+ 200 Medley	Dennis O'Brien	47	ROCKY MOUNTAIN	Colorado	2:17.02

1982 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
2	M45+ 200 Free	Dennis O'Brien	46	ROCKY MOUNTAIN MASTERS	Colorado	1:40.06
5	X45+ 200 Medley	Dennis O'Brien	46	ROCKY MOUNTAIN	Colorado	2:12.87
6	M45+ 200 Medley	Dennis O'Brien	46	ROCKY MOUNTAIN	Colorado	1:58.32

1981 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
4	M45+ 200 Free	Dennis O'Brien	45	ROCKY MOUNTAIN	Colorado	1:41.43
3	M45+ 200 Medley	Dennis O'Brien	45	ROCKY MOUNTAIN	Colorado	2:00.02
5	X45+ 200 Medley	Dennis O'Brien	45	ROCKY MOUNTAIN	Colorado	2:15.32

1979 Long Course Meters

Place	Event	Name	Age	Club	LMSC	Time
1	M35+ 200 Free	Dennis O'Brien	43	ROCKY MOUNTAIN	Colorado	1:47.80
2	M35+ 200 Medley	Dennis O'Brien	43	ROCKY MOUNTAIN	Colorado	2:04.86

1979 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
6	M35+ 200 Medley	Dennis O'Brien	43	ROCKY MOUNTAIN	Colorado	1:51.71

1978 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
6	M35+ 200 Medley	Dennis O'Brien	42	ROCKY MOUNTAIN	Colorado	1:53.46

1977 Short Course Yards

Place	Event	Name	Age	Club	LMSC	Time
9	X35+ 200 Free	Dennis O'Brien	41	Rocky Mountain	Colorado	1:56.42