Kosha Rabinovich

Fage 10MTORPNGACC

213 plausible swims · 34 meets · 2024-10-11 → 2026-06-27

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 28.64 AAA+0.25s to AAAA 2026-03-20 2026 NW Region Age Group Champs- Approved venue
100 Freestyle SCY 1:03.47 AAA+1.58s to AAAA 2026-02-21 2026 Arena Short Course 10&U Championships
200 Freestyle SCY 2:28.08 AA+4.49s to AAA 2026-01-16 2026 THSC 14&U Winter Showcase venue
500 Freestyle SCY 8:21.09 B+35.40s to BB 2025-02-01 2025 OR HEAT B/C Blastoff
50 Backstroke SCY 34.12 AAA+1.53s to AAAA 2026-02-21 2026 Arena Short Course 10&U Championships venue
100 Backstroke SCY 1:13.68 AAA+3.09s to AAAA 2026-03-20 2026 NW Region Age Group Champs- Approved venue
200 Backstroke SCY 3:11.45 2025-01-17 2025 TTSC Winter Qualifier venue
50 Breaststroke SCY 40.34 AA+1.45s to AAA 2026-05-17 2026 John DeRoest Sextathlon Swim Meet fast pool
100 Breaststroke SCY 1:36.39 BB+2.80s to A 2025-12-05 2025 Tualatin Hills Holiday Classic venue
200 Breaststroke SCY 3:25.05 2026-01-23 2026 TTSC Winter Qualifier venue
50 Butterfly SCY 32.30 AAA+1.01s to AAAA 2026-03-21 2026 NW Region Age Group Champs- Approved venue
100 Butterfly SCY 1:14.83 AAA+3.94s to AAAA 2026-02-21 2026 Arena Short Course 10&U Championships
100 Individual Medley SCY 1:12.97 AAA+1.48s to AAAA 2026-03-22 2026 NW Region Age Group Champs- Approved venue
200 Individual Medley SCY 2:51.47 A+3.08s to AA 2025-12-07 2025 Tualatin Hills Holiday Classic venue
50 Freestyle SCM 33.07 AA+0.28s to AAA 2026-04-25 GACC Spring Invitational venue
200 Freestyle SCM 2:42.83 AA+4.24s to AAA 2026-04-25 GACC Spring Invitational venue
400 Freestyle SCM 5:44.37 AA+12.38s to AAA 2026-04-26 GACC Spring Invitational venue
25 Backstroke SCM 23.00 2024-11-03 Oregon City Fall Open 2024 venue
50 Backstroke SCM 39.14 AA+1.15s to AAA 2026-04-26 GACC Spring Invitational venue
100 Backstroke SCM 1:42.66 BB+11.77s to A 2024-11-22 GACC November Intersquad venue
100 Breaststroke SCM 1:47.04 BB+3.65s to A 2025-11-01 Oregon City Fall Open 2025 venue
50 Butterfly SCM 41.86 BB+0.97s to A 2025-08-02 GACC 2025 End of Season Meet venue
100 Butterfly SCM 1:34.04 A+4.55s to AA 2025-11-02 Oregon City Fall Open 2025 venue
100 Individual Medley SCM 1:27.21 A+0.02s to AA 2026-04-25 GACC Spring Invitational venue
200 Individual Medley SCM 3:03.06 AA+5.57s to AAA 2026-04-26 GACC Spring Invitational venue
400 Individual Medley SCM 6:47.03 2025-12-20 GACC December Intrasquad venue
50 Freestyle LCM 32.65 AAA+0.46s to AAAA 2026-06-14 2026 THSC June Open venue
100 Freestyle LCM 1:14.36 AAA+3.47s to AAAA 2026-05-03 2026 THSC Spring Invite venue
200 Freestyle LCM 2:44.83 AA+1.34s to AAA 2026-05-01 2026 THSC Spring Invite venue
400 Freestyle LCM 5:42.44 AAA+14.05s to AAAA 2026-06-26 2026 PN SMAC Summer Classic Invite- Approved venue
800 Freestyle LCM 12:14.03 2026-04-17 2026 MAC LONG-COURSE INVITATIONAL venue
50 Backstroke LCM 39.94 AA+0.45s to AAA 2025-07-12 2025 OSI Arena Summer LC 10&U Championships
100 Backstroke LCM 1:25.94 AA+0.05s to AAA 2026-05-02 2026 THSC Spring Invite venue
200 Backstroke LCM 3:27.67 2025-05-04 2025 THSC Spring Invitational venue
50 Breaststroke LCM 48.04 A+1.55s to AA 2026-06-27 2026 PN SMAC Summer Classic Invite- Approved venue
100 Breaststroke LCM 1:46.72 A+3.33s to AA 2026-06-13 2026 THSC June Open venue
50 Butterfly LCM 37.59 AA+0.30s to AAA 2026-05-02 2026 THSC Spring Invite venue
100 Butterfly LCM 1:27.12 AA+0.33s to AAA 2026-06-14 2026 THSC June Open venue
200 Individual Medley LCM 3:07.66 AA+3.17s to AAA 2026-05-03 2026 THSC Spring Invite venue
400 Individual Medley LCM 6:39.46 2026-06-12 2026 THSC June Open venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.

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

LegCourseTime StartRelayDateMeet
50 Freestyle SCY 30.34 flying 200 Free Relay (leg 3) 2025-10-11 2025 OR HEAT Fall Invitational
50 Breaststroke SCY 53.02 flying 200 Medley Relay (leg 2) 2025-01-18 2025 TTSC Winter Qualifier
50 Butterfly SCY 27.47 flying 200 Medley Relay (leg 3) 2024-10-13 2024 OR HEAT Fall Invitational
50 Freestyle SCM 40.16 flying 200 Free Relay (leg 4) 2026-04-25 GACC Spring Invitational
50 Backstroke SCM 41.10 flat 200 Medley Relay 2025-11-02 Oregon City Fall Open 2025
50 Butterfly SCM 50.80 flying 200 Medley Relay (leg 3) 2024-11-22 GACC November Intersquad

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 10 & under · LCM

3938 points (5/5 events)

EventTime Points
200 FR LCM 2:44.83 832
100 BK LCM 1:25.94 840
100 BR LCM 1:46.72 661
100 FL LCM 1:27.12 791
200 IM LCM 3:07.66 814

IMR 10 & under · SCY

4386 points (5/5 events)

EventTime Points
100 FR SCY 1:03.47 922
50 BK SCY 34.12 871
50 BR SCY 40.34 764
50 FL SCY 32.30 909
100 IM SCY 1:12.97 920

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

PR splits

200 Freestyle SCY 2:28.08

32.92
37.90
39.91
37.35

Front half 70.82s · back half 77.26s

500 Freestyle SCY 8:21.09

45.65
51.71
52.49
52.03
53.56
50.49
53.33
51.36
48.08
42.39

Front half 255.44s · back half 245.65s

100 Backstroke SCY 1:13.68 RT 0.66s

35.84
37.84

Front half 35.84s · back half 37.84s

200 Backstroke SCY 3:11.45

45.26
49.49
50.07
46.63

Front half 94.75s · back half 96.70s

100 Breaststroke SCY 1:36.39

46.21
50.18

Front half 46.21s · back half 50.18s

200 Breaststroke SCY 3:25.05

45.48
52.57
54.06
52.94

Front half 98.05s · back half 107.00s

100 Individual Medley SCY 1:12.97 RT 0.62s

33.40
39.57

Front half 33.40s · back half 39.57s

200 Individual Medley SCY 2:51.47

79.03
54.34
38.10

200 Freestyle SCM 2:42.83

36.86
41.93
43.23
40.81

Front half 78.79s · back half 84.04s

400 Freestyle SCM 5:44.37

37.62
42.26
44.62
44.57
44.65
44.51
43.49
42.65

Front half 169.07s · back half 175.30s

100 Backstroke SCM 1:42.66

48.74
53.92

Front half 48.74s · back half 53.92s

100 Breaststroke SCM 1:47.04

52.09
54.95

Front half 52.09s · back half 54.95s

100 Butterfly SCM 1:34.04

41.95
52.09

Front half 41.95s · back half 52.09s

100 Individual Medley SCM 1:27.21

38.97
48.24

Front half 38.97s · back half 48.24s

200 Individual Medley SCM 3:03.06

40.31
45.14
58.67
38.94

Front half 85.45s · back half 97.61s

400 Individual Medley SCM 6:47.03

41.97
54.42
50.34
49.24
60.87
61.11
45.05
44.03

Front half 195.97s · back half 211.06s

100 Freestyle LCM 1:14.36

35.70
38.66

Front half 35.70s · back half 38.66s

200 Freestyle LCM 2:44.83

79.30
85.53

Front half 79.30s · back half 85.53s

400 Freestyle LCM 5:42.44 RT 0.56s

80.86
87.97
88.84
84.77

Front half 168.83s · back half 173.61s

800 Freestyle LCM 12:14.03

84.65
93.71
93.42
94.22
94.27
93.78
92.81
87.17

Front half 366.00s · back half 368.03s

100 Backstroke LCM 1:25.94

41.16
44.78

Front half 41.16s · back half 44.78s

200 Backstroke LCM 3:27.67

47.03
54.52
54.81
51.31

Front half 101.55s · back half 106.12s

100 Breaststroke LCM 1:46.72

49.95
56.77

Front half 49.95s · back half 56.77s

100 Butterfly LCM 1:27.12

38.98
48.14

Front half 38.98s · back half 48.14s

200 Individual Medley LCM 3:07.66

42.38
47.56
58.64
39.08

Front half 89.94s · back half 97.72s

400 Individual Medley LCM 6:39.46

41.32
49.15
51.56
111.49
58.68
43.21
44.05

Reaction time

fastest 0.55s average 0.630s slowest 0.80s 19 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 28.64 14 swims
100 Freestyle SCY 1:03.47 18 swims
200 Freestyle SCY 2:28.08 8 swims
500 Freestyle SCY 8:21.09 2 swims
50 Backstroke SCY 34.12 13 swims
100 Backstroke SCY 1:13.68 8 swims
200 Backstroke SCY 3:11.45 1 swim
50 Breaststroke SCY 40.34 8 swims
100 Breaststroke SCY 1:36.39 2 swims
200 Breaststroke SCY 3:25.05 1 swim
50 Butterfly SCY 32.30 15 swims
100 Butterfly SCY 1:14.83 12 swims
100 Individual Medley SCY 1:12.97 16 swims
200 Individual Medley SCY 2:51.47 5 swims
50 Freestyle SCM 33.07 3 swims
200 Freestyle SCM 2:42.83 3 swims
400 Freestyle SCM 5:44.37 3 swims
25 Backstroke SCM 23.00 1 swim
50 Backstroke SCM 39.14 2 swims
100 Backstroke SCM 1:42.66 1 swim
100 Breaststroke SCM 1:47.04 1 swim
50 Butterfly SCM 41.86 1 swim
100 Butterfly SCM 1:34.04 3 swims
100 Individual Medley SCM 1:27.21 2 swims
200 Individual Medley SCM 3:03.06 4 swims
400 Individual Medley SCM 6:47.03 3 swims
50 Freestyle LCM 32.65 9 swims
100 Freestyle LCM 1:14.36 7 swims
200 Freestyle LCM 2:44.83 5 swims
400 Freestyle LCM 5:42.44 4 swims
800 Freestyle LCM 12:14.03 1 swim
50 Backstroke LCM 39.94 7 swims
100 Backstroke LCM 1:25.94 5 swims
200 Backstroke LCM 3:27.67 1 swim
50 Breaststroke LCM 48.04 3 swims
100 Breaststroke LCM 1:46.72 3 swims
50 Butterfly LCM 37.59 4 swims
100 Butterfly LCM 1:27.12 4 swims
200 Individual Medley LCM 3:07.66 8 swims
400 Individual Medley LCM 6:39.46 2 swims