Jacob Rosenblum

Mage 12ADDELM

224 plausible swims · 61 meets · 2010-10-16 → 2026-01-01

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	25.33	AAA+0.74s to AAAA	2016-02-27	Adirondack Short Course Qualifier at Shen venue
100 Freestyle	SCY	53.54	AAAA	2016-03-12	Adirondack Short Course Championships venue
200 Freestyle	SCY	1:53.75	AAAA	2016-03-11	Adirondack Short Course Championships venue
500 Freestyle	SCY	5:08.55	AAAA	2016-03-12	Adirondack Short Course Championships venue
1000 Freestyle	SCY	13:51.77	B+11.38s to BB	2011-12-04	December Super Splash 2011 venue
50 Backstroke	SCY	41.64	+3.15s to B	2011-03-06	AD Silver Short Course Championships venue
100 Backstroke	SCY	1:06.39	A+0.40s to AA	2016-02-27	Adirondack Short Course Qualifier at Shen venue
50 Breaststroke	SCY	47.53	+4.04s to B	2011-03-05	AD Silver Short Course Championships venue
100 Breaststroke	SCY	1:08.91	AAA+1.12s to AAAA	2015-03-13	AD Gold Short Course Championships venue
200 Breaststroke	SCY	2:28.99	AAA+1.60s to AAAA	2016-02-28	Adirondack Short Course Qualifier at Shen venue
100 Butterfly	SCY	1:00.98	AAA+1.89s to AAAA	2016-02-28	Adirondack Short Course Qualifier at Shen venue
100 Individual Medley	SCY	1:25.64	+3.75s to B	2011-03-06	AD Silver Short Course Championships venue
200 Individual Medley	SCY	2:12.95	AAA+0.86s to AAAA	2016-02-28	Adirondack Short Course Qualifier at Shen venue
50 Freestyle	SCM	32.20	BB+1.11s to A	2013-06-02	2013 Starfish Meter Madness - Pentathlon slow pool
200 Freestyle	SCM	2:22.93	A+1.34s to AA	2013-06-15	Piranhas Summer Kick-Off Meet venue
100 Backstroke	SCM	1:31.84	+1.05s to B	2012-06-03	2012 Starfish Meter Madness - Pentathlon slow pool
100 Breaststroke	SCM	1:25.61	A+2.82s to AA	2013-06-15	Piranhas Summer Kick-Off Meet venue
100 Individual Medley	SCM	1:19.28	BB+1.99s to A	2013-06-02	2013 Starfish Meter Madness - Pentathlon slow pool
50 Freestyle	LCM	29.65	AA+0.26s to AAA	2015-06-07	Clinton Cudas Colgate Classic Invitational venue
100 Freestyle	LCM	1:03.84	AAA+2.25s to AAAA	2015-06-06	Clinton Cudas Colgate Classic Invitational venue
200 Freestyle	LCM	2:19.89	AAA+5.50s to AAAA	2015-06-07	Clinton Cudas Colgate Classic Invitational venue
400 Freestyle	LCM	5:06.93	AA+7.44s to AAA	2013-07-19	2013 Adirondack Long Course District Champion venue
50 Backstroke	LCM	45.80	+1.21s to B	2011-07-23	2011 Adirondack Long Course District Champion venue
100 Backstroke	LCM	1:19.70	A+1.61s to AA	2014-06-08	Clinton Cudas Colgate Classic Invitational venue
200 Backstroke	LCM	2:46.75	A+0.06s to AA	2014-07-20	2014 Adirondack Long Course District Champion venue
50 Breaststroke	LCM	1:00.70	+10.91s to B	2011-06-11	Clinton Cudas Colgate Classic Invitational venue
100 Breaststroke	LCM	1:22.19	AAA+3.20s to AAAA	2015-06-06	Clinton Cudas Colgate Classic Invitational venue
200 Breaststroke	LCM	2:56.70	AAA+5.71s to AAAA	2015-06-07	Clinton Cudas Colgate Classic Invitational venue
200 Individual Medley	LCM	2:39.10	AA+0.31s to AAA	2015-06-06	Clinton Cudas Colgate Classic Invitational venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.

Pool tags are a venue speed heuristic (median deviation of all swims there vs each swimmer's typical time) — see the venue page for the method.

Fastest relay legs

Leg	Course	Time	Start	Relay	Date	Meet
50 Freestyle	SCY	31.37	flying	200 Free Relay (leg 2)	2012-03-04	2012 AD Silver Short Course Championships
100 Freestyle	SCY	54.62	flat	400 Free Relay	2016-02-28	Adirondack Short Course Qualifier at Shen
100 Freestyle	SCY	54.58	flying	400 Free Relay (leg 3)	2015-03-13	AD Gold Short Course Championships
100 Breaststroke	SCY	1:16.19	flying	400 Medley Relay (leg 2)	2013-03-16	AD Gold Short Course Championships
50 Butterfly	SCY	41.96	flying	200 Medley Relay (leg 3)	2011-03-05	AD Silver Short Course Championships
100 Breaststroke	LCM	1:26.93	flying	400 Medley Relay (leg 2)	2013-07-21	2013 Adirondack Long Course District Champion

Reconstructed from relay split marks. Flat = lead-off (comparable to individual times); flying starts run ~0.5–0.7s fast and are not PRs.

IMX / IMR

IMX 11-12 · SCY

4623 points (5/5 events)

Event	Time	Points
500 FR SCY	5:08.55	1063
100 BK SCY	1:06.39	719
100 BR SCY	1:08.91	952
100 FL SCY	1:00.98	909
200 IM SCY	2:12.95	980

IMR 11-12 · LCM

2303 points (4/5 events — incomplete)

Event	Time	Points
200 FR LCM	2:19.89	886
50 BK LCM	45.80	360
50 BR LCM	1:00.70	210
200 IM LCM	2:39.10	847
50 FL LCM	—	0

Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.

PR splits

100 Freestyle SCY 53.54

25.76

27.78

Front half 25.76s · back half 27.78s

200 Freestyle SCY 1:53.75

26.97

28.82

29.21

28.75

Front half 55.79s · back half 57.96s

500 Freestyle SCY 5:08.55

27.46

29.88

30.87

31.54

31.67

31.66

31.52

32.24

31.22

30.49

Front half 151.42s · back half 157.13s

1000 Freestyle SCY 13:51.77

37.25

41.63

41.94

42.22

42.63

42.67

42.58

43.14

42.53

41.58

42.60

42.25

41.83

41.97

41.35

41.70

39.91

41.94

41.16

38.89

Front half 418.17s · back half 413.60s

100 Backstroke SCY 1:06.39

32.97

33.42

Front half 32.97s · back half 33.42s

100 Breaststroke SCY 1:08.91

32.38

36.53

Front half 32.38s · back half 36.53s

200 Breaststroke SCY 2:28.99

33.79

38.43

38.50

38.27

Front half 72.22s · back half 76.77s

100 Butterfly SCY 1:00.98 RT 0.94s

28.43

32.55

Front half 28.43s · back half 32.55s

100 Individual Medley SCY 1:25.64

41.56

44.08

Front half 41.56s · back half 44.08s

200 Individual Medley SCY 2:12.95 RT 0.89s

28.27

35.15

38.90

30.63

Front half 63.42s · back half 69.53s

200 Freestyle SCM 2:22.93

34.50

36.65

36.66

35.12

Front half 71.15s · back half 71.78s

100 Backstroke SCM 1:31.84

45.22

46.62

Front half 45.22s · back half 46.62s

100 Breaststroke SCM 1:25.61

40.25

45.36

Front half 40.25s · back half 45.36s

100 Individual Medley SCM 1:19.28

38.40

40.88

Front half 38.40s · back half 40.88s

200 Freestyle LCM 2:19.89

68.74

71.15

Front half 68.74s · back half 71.15s

400 Freestyle LCM 5:06.93

72.51

79.08

79.32

76.02

Front half 151.59s · back half 155.34s

200 Backstroke LCM 2:46.75

40.66

42.17

43.39

40.53

Front half 82.83s · back half 83.92s

200 Breaststroke LCM 2:56.70

85.88

90.82

Front half 85.88s · back half 90.82s

200 Individual Medley LCM 2:39.10

77.94

81.16

Front half 77.94s · back half 81.16s

Reaction time

fastest 0.88s average 0.903s slowest 0.94s 3 electronic starts

Start reaction over time faster starts higher

From electronically-timed starts only (~2% of corpus swims carry a reaction time). PRs with a recorded reaction show an RT chip in the splits section above.

Progression

Faster times are higher. One card per event, all courses & history.

50 Freestyle SCY 25.33 20 swims

100 Freestyle SCY 53.54 22 swims

200 Freestyle SCY 1:53.75 16 swims

500 Freestyle SCY 5:08.55 17 swims

1000 Freestyle SCY 13:51.77 1 swim

50 Backstroke SCY 41.64 5 swims

100 Backstroke SCY 1:06.39 8 swims

50 Breaststroke SCY 47.53 6 swims

100 Breaststroke SCY 1:08.91 17 swims

200 Breaststroke SCY 2:28.99 14 swims

100 Butterfly SCY 1:00.98 2 swims

100 Individual Medley SCY 1:25.64 2 swims

200 Individual Medley SCY 2:12.95 15 swims

50 Freestyle SCM 32.20 2 swims

200 Freestyle SCM 2:22.93 1 swim

100 Backstroke SCM 1:31.84 1 swim

100 Breaststroke SCM 1:25.61 3 swims

100 Individual Medley SCM 1:19.28 2 swims

50 Freestyle LCM 29.65 5 swims

100 Freestyle LCM 1:03.84 7 swims

200 Freestyle LCM 2:19.89 12 swims

400 Freestyle LCM 5:06.93 5 swims

50 Backstroke LCM 45.80 2 swims

100 Backstroke LCM 1:19.70 9 swims

200 Backstroke LCM 2:46.75 2 swims

50 Breaststroke LCM 1:00.70 1 swim

100 Breaststroke LCM 1:22.19 10 swims

200 Breaststroke LCM 2:56.70 12 swims

200 Individual Medley LCM 2:39.10 5 swims