Kate O'Brien

Fage 16KYNCSEFRDOKYA

223 plausible swims · 38 meets · 2018-12-01 → 2026-04-26

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	25.10	AA+0.01s to AAA	2026-03-14	2026 NC TAC Speedo Champions Series ESSZ venue
100 Freestyle	SCY	56.40	AA+1.91s to AAA	2026-03-15	2026 NC TAC Speedo Champions Series ESSZ venue
200 Freestyle	SCY	2:09.19	BB+1.10s to A	2023-11-05	2023 Kentucky Aquatics Autumn Classic venue
500 Freestyle	SCY	5:37.78	A+7.09s to AA	2024-03-23	2024 13 & OVER Kentucky SCY Championship venue
50 Backstroke	SCY	34.58	B+1.79s to BB	2021-03-07	LEXD Race to State 2021 venue
100 Backstroke	SCY	1:00.16	AA+1.27s to AAA	2025-03-23	2025 13 & OVER Kentucky SCY Championship fast pool
200 Backstroke	SCY	2:14.70	A+1.21s to AA	2025-03-21	2025 13 & OVER Kentucky SCY Championship fast pool
50 Breaststroke	SCY	44.93	+3.64s to B	2021-01-30	Paducah Swim Team Swimfest venue
100 Breaststroke	SCY	1:18.96	BB+4.77s to A	2024-11-10	2024 Kentucky Aquatics Autumn Classic venue
200 Breaststroke	SCY	2:43.21	BB+2.52s to A	2025-01-01	2025 13 & OVER Kentucky State SCY Championship
50 Butterfly	SCY	35.50	+0.41s to B	2020-11-08	TRI-Meet Cardinal vs. KY Aquatics vs. Triton venue
100 Butterfly	SCY	1:08.37	BB+4.28s to A	2024-10-19	2024 KY CLPR Halloween Meet venue
100 Individual Medley	SCY	1:21.10		2021-02-21	KYA - Lakeside Dual Meet 2021 venue
200 Individual Medley	SCY	2:19.72	A+2.33s to AA	2024-03-24	2024 13 & OVER Kentucky SCY Championship venue
400 Individual Medley	SCY	4:56.75	A+2.56s to AA	2024-03-22	2024 13 & OVER Kentucky SCY Championship venue
50 Freestyle	LCM	29.18	AA+0.59s to AAA	2025-07-17	25 KYLSC Long Course Championship
100 Freestyle	LCM	1:06.40	A+1.91s to AA	2025-05-17	Kentucky Aquatics Derby Classic venue
200 Freestyle	LCM	2:25.23	A+5.94s to AA	2025-05-16	Kentucky Aquatics Derby Classic venue
400 Freestyle	LCM	5:13.86	BB+6.17s to A	2024-05-18	Kentucky Aquatics Derby Classic venue
800 Freestyle	LCM	10:25.40	A+16.51s to AA	2025-07-17	25 KYLSC Long Course Championship
50 Backstroke	LCM	33.56	AA+1.07s to AAA	2025-07-17	25 KYLSC Long Course Championship
100 Backstroke	LCM	1:12.73	A+0.84s to AA	2025-07-17	25 KYLSC Long Course Championship
200 Backstroke	LCM	2:33.73	AA+6.14s to AAA	2025-07-17	25 KYLSC Long Course Championship
100 Breaststroke	LCM	1:30.14	BB+5.05s to A	2025-06-19	2025 Synergy Dryland Summer Sizzler venue
200 Breaststroke	LCM	3:08.29	BB+5.90s to A	2024-06-07	2024 Synergy Dryland Summer Sizzler venue
50 Butterfly	LCM	32.41	A+0.22s to AA	2024-05-05	2024 CKA DERBY DASH slow pool
100 Butterfly	LCM	1:16.38	BB+3.99s to A	2023-07-07	43rd Annual Seahawk Invitational venue
200 Individual Medley	LCM	2:37.88	A+0.39s to AA	2024-07-21	2024 Kentucky Swimming LC State Championship venue
400 Individual Medley	LCM	5:40.20	A+5.11s to AA	2024-07-19	2024 Kentucky Swimming LC State Championship venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.

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
100 Freestyle	SCY	56.20	flying	400 Free Relay (leg 2)	2024-12-06	2024 NAC SPEEDO Music City Invitational
50 Backstroke	SCY	29.65	flat	200 Medley Relay	2024-03-24	2024 13 & OVER Kentucky SCY Championship
100 Backstroke	SCY	1:04.48	flat	400 Medley Relay	2024-03-23	2024 13 & OVER Kentucky SCY Championship
50 Freestyle	LCM	30.18	flying	200 Free Relay (leg 2)	2022-07-16	2022 KY 12 & U LCM State Championship
50 Freestyle	LCM	29.71	flying	200 Medley Relay (leg 4)	2024-07-20	2024 Kentucky Swimming LC State Championship
100 Freestyle	LCM	1:13.19	flying	400 Free Relay (leg 2)	2025-07-20	25 KYLSC Long Course Championship
50 Backstroke	LCM	37.53	flat	200 Medley Relay	2022-07-17	2022 KY 12 & U LCM State Championship

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 15-16 · SCY

3498 points (5/6 events — incomplete)

Event	Time	Points
500 FR SCY	5:37.78	706
200 BK SCY	2:14.70	737
200 BR SCY	2:43.21	624
200 IM SCY	2:19.72	709
400 IM SCY	4:56.75	722
200 FL SCY	—	0

IMR 15-16 · LCM

3256 points (5/5 events)

Event	Time	Points
200 FR LCM	2:25.23	666
100 BK LCM	1:12.73	720
100 BR LCM	1:30.14	553
100 FL LCM	1:16.38	568
200 IM LCM	2:37.88	749

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

PR splits

100 Freestyle SCY 56.40

27.04

29.36

Front half 27.04s · back half 29.36s

200 Freestyle SCY 2:09.19

29.69

33.07

33.55

32.88

Front half 62.76s · back half 66.43s

500 Freestyle SCY 5:37.78

30.28

33.08

33.53

34.33

34.70

34.65

34.95

34.56

34.30

33.40

Front half 165.92s · back half 171.86s

100 Backstroke SCY 1:00.16

28.82

31.34

Front half 28.82s · back half 31.34s

200 Backstroke SCY 2:14.70

31.01

33.72

35.11

34.86

Front half 64.73s · back half 69.97s

100 Breaststroke SCY 1:18.96

37.18

41.78

Front half 37.18s · back half 41.78s

100 Butterfly SCY 1:08.37

32.29

36.08

Front half 32.29s · back half 36.08s

100 Individual Medley SCY 1:21.10

35.49

45.61

Front half 35.49s · back half 45.61s

200 Individual Medley SCY 2:19.72

30.26

34.84

42.08

32.54

Front half 65.10s · back half 74.62s

400 Individual Medley SCY 4:56.75

32.29

37.10

36.82

38.78

42.82

43.15

33.10

32.69

Front half 144.99s · back half 151.76s

100 Freestyle LCM 1:06.40

31.72

34.68

Front half 31.72s · back half 34.68s

200 Freestyle LCM 2:25.23

33.51

37.67

38.25

35.80

Front half 71.18s · back half 74.05s

400 Freestyle LCM 5:13.86

36.87

40.07

40.85

40.69

40.93

39.44

39.82

35.19

Front half 158.48s · back half 155.38s

800 Freestyle LCM 10:25.40

33.81

39.01

39.79

40.17

39.70

39.61

39.94

39.34

40.13

40.07

40.20

40.11

40.50

38.93

38.57

35.52

Front half 311.37s · back half 314.03s

100 Backstroke LCM 1:12.73

34.93

37.80

Front half 34.93s · back half 37.80s

200 Backstroke LCM 2:33.73

35.09

38.69

40.09

39.86

Front half 73.78s · back half 79.95s

200 Breaststroke LCM 3:08.29

91.22

97.07

Front half 91.22s · back half 97.07s

200 Individual Medley LCM 2:37.88

33.45

40.73

49.15

34.55

Front half 74.18s · back half 83.70s

400 Individual Medley LCM 5:40.20

35.71

44.50

42.92

43.28

49.45

48.90

37.33

38.11

Front half 166.41s · back half 173.79s

Reaction time

fastest 0.64s average 0.655s slowest 0.67s 2 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 25.10 15 swims

100 Freestyle SCY 56.40 12 swims

200 Freestyle SCY 2:09.19 6 swims

500 Freestyle SCY 5:37.78 5 swims

50 Backstroke SCY 34.58 9 swims

100 Backstroke SCY 1:00.16 19 swims

200 Backstroke SCY 2:14.70 9 swims

50 Breaststroke SCY 44.93 6 swims

100 Breaststroke SCY 1:18.96 6 swims

200 Breaststroke SCY 2:43.21 5 swims

50 Butterfly SCY 35.50 9 swims

100 Butterfly SCY 1:08.37 1 swim

100 Individual Medley SCY 1:21.10 3 swims

200 Individual Medley SCY 2:19.72 10 swims

400 Individual Medley SCY 4:56.75 5 swims

50 Freestyle LCM 29.18 12 swims

100 Freestyle LCM 1:06.40 5 swims

200 Freestyle LCM 2:25.23 5 swims

400 Freestyle LCM 5:13.86 2 swims

800 Freestyle LCM 10:25.40 5 swims

50 Backstroke LCM 33.56 7 swims

100 Backstroke LCM 1:12.73 15 swims

200 Backstroke LCM 2:33.73 12 swims

100 Breaststroke LCM 1:30.14 7 swims

200 Breaststroke LCM 3:08.29 6 swims

50 Butterfly LCM 32.41 4 swims

100 Butterfly LCM 1:16.38 8 swims

200 Individual Medley LCM 2:37.88 11 swims

400 Individual Medley LCM 5:40.20 3 swims