Catherine Sowerby

Fage 15CZMIEGRAMI

138 plausible swims · 23 meets · 2024-07-13 → 2026-06-26

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	25.12	AAA+0.93s to AAAA	2025-03-08	2025 SCY MAGS Championship Meet venue
100 Freestyle	SCY	52.49	AAAA	2026-03-27	2026 SCY ULTRA Championship Meet venue
200 Freestyle	SCY	1:58.16	AAA+4.67s to AAAA	2026-03-07	2026 Lake Michigan Regional Meet venue
50 Backstroke	SCY	26.00	AAAA	2024-10-18	2024 Boo Bash Invitational
100 Backstroke	SCY	57.66	AAA+0.67s to AAAA	2026-03-29	2026 SCY ULTRA Championship Meet venue
200 Backstroke	SCY	2:05.92	AAA+2.23s to AAAA	2026-03-28	2026 SCY ULTRA Championship Meet venue
50 Breaststroke	SCY	34.80	A+0.41s to AA	2026-01-18	MLA 2026 Big Lake Invite fast pool
50 Butterfly	SCY	26.40	AAAA	2026-03-29	2026 SCY ULTRA Championship Meet venue
100 Butterfly	SCY	1:00.02	AA+0.43s to AAA	2026-03-08	2026 Lake Michigan Regional Meet venue
100 Individual Medley	SCY	1:03.13		2025-03-08	2025 SCY MAGS Championship Meet venue
200 Individual Medley	SCY	2:18.65	AA+5.96s to AAA	2025-02-23	2025 Lake Michigan Regional Meet venue
50 Freestyle	LCM	28.18	AAA+0.59s to AAAA	2026-06-06	MLA Big Red Challenge fast pool
100 Freestyle	LCM	1:01.09	AAA+1.40s to AAAA	2026-06-07	MLA Big Red Challenge fast pool
200 Freestyle	LCM	2:20.34	AA+4.85s to AAA	2026-06-20	2026 Summer Solstice Meet venue
50 Backstroke	LCM	31.21	AAAA	2024-07-19	2024 MAGS Long Course Championship Meet
100 Backstroke	LCM	1:02.49	AAAA	2025-08-07	2025 Central Zone 14 & Under Championship Mee
200 Backstroke	LCM	2:24.43	AAA+1.94s to AAAA	2025-07-18	2025 LC MAGS Championship Meet
50 Butterfly	LCM	31.25	AAA+1.36s to AAAA	2025-07-20	2025 LC MAGS Championship Meet fast pool

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 15.

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	24.84	flying	200 Free Relay (leg 4)	2025-03-09	2025 SCY MAGS Championship Meet
100 Freestyle	SCY	53.94	flying	400 Free Relay (leg 4)	2025-03-07	2025 SCY MAGS Championship Meet
100 Freestyle	SCY	54.87	flying	400 Medley Relay (leg 4)	2026-03-28	2026 SCY ULTRA Championship Meet
50 Backstroke	SCY	28.71	flat	200 Medley Relay	2025-03-09	2025 SCY MAGS Championship Meet
50 Freestyle	LCM	27.91	flying	200 Free Relay (leg 4)	2025-07-19	2025 LC MAGS Championship Meet
50 Freestyle	LCM	28.93	flying	200 Medley Relay (leg 4)	2025-03-28	2025 Central Zone East Spring Speedo Sectiona
100 Freestyle	LCM	1:03.54	flying	400 Medley Relay (leg 4)	2025-03-30	2025 Central Zone East Spring Speedo Sectiona
100 Freestyle	LCM	1:02.63	flying	400 Free Relay (leg 4)	2024-07-19	2024 MAGS Long Course Championship Meet
50 Backstroke	LCM	32.02	flat	200 Medley Relay	2025-07-19	2025 LC MAGS Championship Meet

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

1627 points (2/6 events — incomplete)

Event	Time	Points
200 BK SCY	2:05.92	902
200 IM SCY	2:18.65	725
500 FR SCY	—	0
200 BR SCY	—	0
200 FL SCY	—	0
400 IM SCY	—	0

IMR 15-16 · SCY

3294 points (4/5 events — incomplete)

Event	Time	Points
200 FR SCY	1:58.16	846
100 BK SCY	57.66	920
100 FL SCY	1:00.02	803
200 IM SCY	2:18.65	725
100 BR SCY	—	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 52.49

25.53

26.96

Front half 25.53s · back half 26.96s

200 Freestyle SCY 1:58.16

27.95

30.07

30.29

29.85

Front half 58.02s · back half 60.14s

100 Backstroke SCY 57.66

27.99

29.67

Front half 27.99s · back half 29.67s

200 Backstroke SCY 2:05.92

29.79

31.87

32.31

31.95

Front half 61.66s · back half 64.26s

100 Butterfly SCY 1:00.02

28.26

31.76

Front half 28.26s · back half 31.76s

100 Individual Medley SCY 1:03.13

28.28

34.85

Front half 28.28s · back half 34.85s

200 Individual Medley SCY 2:18.65

29.67

33.70

42.03

33.25

Front half 63.37s · back half 75.28s

100 Freestyle LCM 1:01.09

29.68

31.41

Front half 29.68s · back half 31.41s

200 Freestyle LCM 2:20.34

33.43

36.11

36.00

34.80

Front half 69.54s · back half 70.80s

Reaction time

fastest 0.64s average 0.640s slowest 0.64s 1 electronic start

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 25.12 6 swims

100 Freestyle SCY 52.49 9 swims

200 Freestyle SCY 1:58.16 5 swims

50 Backstroke SCY 26.00 6 swims

100 Backstroke SCY 57.66 13 swims

200 Backstroke SCY 2:05.92 11 swims

50 Breaststroke SCY 34.80 1 swim

50 Butterfly SCY 26.40 6 swims

100 Butterfly SCY 1:00.02 6 swims

100 Individual Medley SCY 1:03.13 6 swims

200 Individual Medley SCY 2:18.65 2 swims

50 Freestyle LCM 28.18 12 swims

100 Freestyle LCM 1:01.09 10 swims

200 Freestyle LCM 2:20.34 3 swims

50 Backstroke LCM 31.21 11 swims

100 Backstroke LCM 1:02.49 15 swims

200 Backstroke LCM 2:24.43 10 swims

50 Butterfly LCM 31.25 6 swims