Bailey Koo

Mage 16BDCOFLGUSTAGSBSSGULF

134 plausible swims · 20 meets · 2020-03-07 → 2026-06-21

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	21.22	AAAA	2026-03-14	2026 Fl Swimming Spring Senior Championships venue
100 Freestyle	SCY	46.95	AAA+0.16s to AAAA	2025-03-07	Meet Results for
200 Freestyle	SCY	1:47.03	AAA+4.84s to AAAA	2025-03-07	Meet Results for
100 Backstroke	SCY	52.06	AAA+1.27s to AAAA	2025-03-07	Meet Results for
100 Breaststroke	SCY	1:04.13	A+0.94s to AA	2026-03-15	2026 Fl Swimming Spring Senior Championships venue
200 Breaststroke	SCY	2:26.84	BB+3.65s to A	2024-01-13	2024 TWST Speedo Winter Classic Invitational venue
100 Butterfly	SCY	54.51	AA+1.62s to AAA	2025-03-07	Meet Results for
100 Individual Medley	SCY	1:16.40		2020-03-07	2020 Short Course TAGS Championships venue
200 Individual Medley	SCY	2:02.18	AA+3.29s to AAA	2025-03-07	Meet Results for
400 Individual Medley	SCY	4:37.75	BB+0.06s to A	2024-10-12	MAC October Open 2024 venue
50 Freestyle	LCM	24.81	AAA+0.02s to AAAA	2026-06-21	2026 June Classic venue
100 Freestyle	LCM	55.60	AAA+1.71s to AAAA	2024-07-18	2024 Texas Age Group Swimming LC Champs venue
200 Freestyle	LCM	2:05.58	AA+1.99s to AAA	2024-07-19	2024 Texas Age Group Swimming LC Champs venue
50 Backstroke	LCM	28.93	AAA+0.54s to AAAA	2026-04-10	2026 April Classic venue
100 Backstroke	LCM	1:03.29	AA+0.80s to AAA	2026-04-11	2026 April Classic venue
100 Breaststroke	LCM	1:14.39	A+0.60s to AA	2026-04-12	2026 April Classic venue
200 Breaststroke	LCM	2:53.78	BB+6.29s to A	2025-04-25	Meet Results for
50 Butterfly	LCM	27.88	AAA+0.99s to AAAA	2026-06-18	2026 June Classic venue
100 Butterfly	LCM	1:03.19	AA+2.70s to AAA	2026-04-11	2026 April Classic venue
200 Butterfly	LCM	2:34.72	BB+7.03s to A	2025-04-25	Meet Results for
200 Individual Medley	LCM	2:26.39	A+1.40s to AA	2026-02-14	Florida Long Course Winter Invitational venue
400 Individual Medley	LCM	5:26.91	BB+4.52s to A	2024-04-21	2024 Aggieland April Long Course Invitational venue

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

Fastest relay legs

Leg	Course	Time	Start	Relay	Date	Meet
50 Freestyle	SCY	21.99	flying	200 Free Relay (leg 2)	2024-03-02	2024 Texas Age Group Swimming Short Course Ch
50 Freestyle	SCY	21.89	flying	200 Medley Relay (leg 4)	2024-03-02	2024 Texas Age Group Swimming Short Course Ch
100 Freestyle	SCY	48.78	flying	400 Medley Relay (leg 4)	2024-03-03	2024 Texas Age Group Swimming Short Course Ch
100 Freestyle	SCY	48.33	flying	400 Free Relay (leg 3)	2024-03-01	2024 Texas Age Group Swimming Short Course Ch
200 Freestyle	SCY	1:48.88	flat	800 Free Relay	2024-02-29	2024 Texas Age Group Swimming Short Course Ch
50 Freestyle	LCM	25.31	flying	200 Free Relay (leg 4)	2024-07-20	2024 Texas Age Group Swimming LC Champs
50 Freestyle	LCM	25.51	flying	200 Medley Relay (leg 4)	2024-07-21	2024 Texas Age Group Swimming LC Champs
100 Freestyle	LCM	55.78	flat	400 Free Relay	2024-07-19	2024 Texas Age Group Swimming LC Champs
200 Freestyle	LCM	2:07.50	flying	800 Free Relay (leg 2)	2024-07-20	2024 Texas Age Group Swimming LC Champs

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 · LCM

2536 points (4/6 events — incomplete)

Event	Time	Points
200 BR LCM	2:53.78	591
200 FL LCM	2:34.72	576
200 IM LCM	2:26.39	734
400 IM LCM	5:26.91	635
400 FR LCM	—	0
200 BK LCM	—	0

IMR 15-16 · SCY

4099 points (5/5 events)

Event	Time	Points
200 FR SCY	1:47.03	865
100 BK SCY	52.06	923
100 BR SCY	1:04.13	727
100 FL SCY	54.51	789
200 IM SCY	2:02.18	795

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

PR splits

100 Breaststroke SCY 1:04.13

30.09

34.04

Front half 30.09s · back half 34.04s

200 Breaststroke SCY 2:26.84

32.65

37.33

37.82

39.04

Front half 69.98s · back half 76.86s

100 Individual Medley SCY 1:16.40

34.61

41.79

Front half 34.61s · back half 41.79s

400 Individual Medley SCY 4:37.75

29.08

33.95

36.24

35.29

40.23

40.85

31.36

30.75

Front half 134.56s · back half 143.19s

100 Freestyle LCM 55.60

26.43

29.17

Front half 26.43s · back half 29.17s

200 Freestyle LCM 2:05.58

28.70

31.78

32.01

33.09

Front half 60.48s · back half 65.10s

100 Backstroke LCM 1:03.29

29.92

33.37

Front half 29.92s · back half 33.37s

100 Breaststroke LCM 1:14.39

34.88

39.51

Front half 34.88s · back half 39.51s

100 Butterfly LCM 1:03.19

28.39

34.80

Front half 28.39s · back half 34.80s

200 Individual Medley LCM 2:26.39

29.34

37.82

42.76

36.47

Front half 67.16s · back half 79.23s

400 Individual Medley LCM 5:26.91

73.04

80.80

96.53

76.54

Front half 153.84s · back half 173.07s

Reaction time

fastest 0.52s average 0.679s slowest 1.14s 10 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 21.22 17 swims

100 Freestyle SCY 46.95 14 swims

200 Freestyle SCY 1:47.03 7 swims

100 Backstroke SCY 52.06 10 swims

100 Breaststroke SCY 1:04.13 5 swims

200 Breaststroke SCY 2:26.84 2 swims

100 Butterfly SCY 54.51 9 swims

100 Individual Medley SCY 1:16.40 1 swim

200 Individual Medley SCY 2:02.18 7 swims

400 Individual Medley SCY 4:37.75 1 swim

50 Freestyle LCM 24.81 12 swims

100 Freestyle LCM 55.60 10 swims

200 Freestyle LCM 2:05.58 11 swims

50 Backstroke LCM 28.93 2 swims

100 Backstroke LCM 1:03.29 7 swims

100 Breaststroke LCM 1:14.39 5 swims

200 Breaststroke LCM 2:53.78 1 swim

50 Butterfly LCM 27.88 4 swims

100 Butterfly LCM 1:03.19 5 swims

200 Butterfly LCM 2:34.72 1 swim

200 Individual Medley LCM 2:26.39 2 swims

400 Individual Medley LCM 5:26.91 1 swim