Katherine Ferreira

Fage 12ADCTEZMRNENIDELM

1052 plausible swims · 216 meets · 2012-02-18 → 2026-01-01

Personal records

Event	Course	Best	Cut	Date	Meet
25 Freestyle	SCY	15.99		2014-12-06	Super Splash 2014 venue
50 Freestyle	SCY	24.48	AAAA	2024-03-07	Adirondack Gold Short Course Championships
100 Freestyle	SCY	53.28	AAAA	2024-02-16	2024 Region 1 Short Course Invitational
200 Freestyle	SCY	1:54.08	AAAA	2022-03-10	Adirondack Gold Short Course Championships
500 Freestyle	SCY	5:00.27	AAAA	2022-03-10	Adirondack Gold Short Course Championships
1000 Freestyle	SCY	11:21.13	AAA+4.14s to AAAA	2019-10-13	Delmar Dolfins Fall Challenge slow pool
1650 Freestyle	SCY	17:17.36	AAAA	2022-03-10	Adirondack Gold Short Course Championships
25 Backstroke	SCY	19.72		2015-01-03	Chris Goody Mini-Meet venue
50 Backstroke	SCY	30.47	AAA+1.38s to AAAA	2018-11-10	2018 Bluefins Pilgrims Pride venue
100 Backstroke	SCY	56.58	AAAA	2024-03-07	Adirondack Gold Short Course Championships
200 Backstroke	SCY	2:02.42	AAAA	2024-03-07	Adirondack Gold Short Course Championships
25 Breaststroke	SCY	24.98		2014-03-07	AD Silver Short Course Championships
50 Breaststroke	SCY	33.54	AAA+0.55s to AAAA	2019-01-06	2019 Starfish Trophy Invitational venue
100 Breaststroke	SCY	1:00.73	AAAA	2024-01-12	2024 MR NFS 41st Dr.Martin Luther King Jr.
200 Breaststroke	SCY	2:19.10	AAAA	2024-03-23	2024 EZ North Region Speedo Sectional Champs venue
25 Butterfly	SCY	20.55		2014-03-07	AD Silver Short Course Championships
50 Butterfly	SCY	30.04	AA+0.95s to AAA	2018-10-20	2018 Trick or Treat Meet
100 Butterfly	SCY	1:00.01	AAAA	2023-02-04	Delmar Dolfins Febuary Freeze
200 Butterfly	SCY	2:14.13	AAAA	2022-12-18	Piranha's December Distance Invite
100 Individual Medley	SCY	1:01.07	AAAA	2024-02-04	Delmar Dolfins February Freeze
200 Individual Medley	SCY	2:04.58	AAAA	2024-02-16	2024 Region 1 Short Course Invitational
400 Individual Medley	SCY	4:21.30	AAAA	2024-03-08	Adirondack Gold Short Course Championships venue
25 Freestyle	SCM	23.43		2013-06-02	2013 Starfish Meter Madness - Pentathlon slow pool
50 Freestyle	SCM	35.02	B+0.03s to BB	2016-06-05	Piranhas Summer Kick-Off Meet venue
100 Freestyle	SCM	1:16.73	B+0.04s to BB	2016-06-05	Piranhas Summer Kick-Off Meet venue
25 Backstroke	SCM	27.31		2013-06-02	2013 Starfish Meter Madness - Pentathlon slow pool
50 Backstroke	SCM	50.60	+7.71s to B	2014-06-22	Piranhas Summer Kick-Off Meet venue
25 Breaststroke	SCM	39.46		2013-06-02	2013 Starfish Meter Madness - Pentathlon slow pool
25 Butterfly	SCM	31.51		2013-06-02	2013 Starfish Meter Madness - Pentathlon slow pool
100 Individual Medley	SCM	1:28.53	B+1.04s to BB	2016-06-05	Piranhas Summer Kick-Off Meet venue
50 Freestyle	LCM	28.50	AAAA	2025-07-17	2025 Adirondack Long Course Championships
100 Freestyle	LCM	1:03.26	AAAA	2022-07-08	Hawks Summer Invitational 2022
200 Freestyle	LCM	2:15.07	AAAA	2022-07-08	Hawks Summer Invitational 2022
400 Freestyle	LCM	4:37.79	AAAA	2024-07-18	2024 Adirondack Long Course Championships
800 Freestyle	LCM	10:21.47	AAA+4.68s to AAAA	2019-05-11	Mother's Day Splash venue
1500 Freestyle	LCM	19:41.15	AAA+0.66s to AAAA	2019-07-12	Hawks Summer Invitational 2019
50 Backstroke	LCM	37.21	A+0.32s to AA	2018-07-06	Hawks Summer Invitational 2018
100 Backstroke	LCM	1:09.95	AAAA	2024-06-01	2024 NE CRA MIT Team Specialty LC Meet venue
200 Backstroke	LCM	2:25.60	AAAA	2024-07-18	2024 Adirondack Long Course Championships
50 Breaststroke	LCM	38.47	AAA+1.08s to AAAA	2018-07-20	2018 Adirondack Long Course Championships venue
100 Breaststroke	LCM	1:23.28	AAA+1.49s to AAAA	2019-07-26	2019 Adirondack Long Course Championships
200 Breaststroke	LCM	2:54.57	AAAA	2019-07-26	2019 Adirondack Long Course Championships
50 Butterfly	LCM	35.20	A+0.91s to AA	2018-05-12	Mother's Day Splash
100 Butterfly	LCM	1:08.45	AAAA	2024-06-01	2024 NE CRA MIT Team Specialty LC Meet venue
200 Butterfly	LCM	2:26.39	AAAA	2025-07-17	2025 Adirondack Long Course Championships
200 Individual Medley	LCM	2:25.67	AAAA	2024-07-21	2024 Adirondack Long Course Championships fast pool
400 Individual Medley	LCM	5:02.09	AAAA	2024-07-18	2024 Adirondack Long Course Championships

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	34.95	flat	200 Free Relay	2015-03-01	AD Silver Short Course Championships
50 Freestyle	SCY	30.36	flying	200 Free Relay (leg 4)	2016-03-13	Adirondack Short Course Championships
100 Freestyle	SCY	54.43	flat	400 Free Relay	2024-02-17	2024 Region 1 Short Course Invitational
100 Freestyle	SCY	53.16	flying	400 Free Relay (leg 4)	2023-02-18	2023 Region 1 Short Course Invitational
200 Freestyle	SCY	2:00.12	flying	800 Free Relay (leg 3)	2019-02-18	2019 Region 1 Short Course Invitational
100 Backstroke	SCY	1:00.21	flat	400 Medley Relay	2020-02-16	2020 Region 1 Short Course Invitational
50 Butterfly	SCY	36.42	flying	200 Medley Relay (leg 3)	2016-03-12	Adirondack Short Course Championships
100 Butterfly	SCY	57.64	flying	400 Medley Relay (leg 3)	2024-02-18	2024 Region 1 Short Course Invitational
50 Freestyle	SCM	35.17	flying	200 Free Relay (leg 4)	2016-06-05	Piranhas Summer Kick-Off Meet
50 Freestyle	LCM	28.57	flat	200 Free Relay	2024-07-19	2024 Adirondack Long Course Championships
100 Freestyle	LCM	1:01.83	flying	400 Free Relay (leg 4)	2024-07-21	2024 Adirondack Long Course Championships
50 Butterfly	LCM	37.31	flying	200 Medley Relay (leg 3)	2016-07-23	2016 Adirondack Long Course Championships
100 Butterfly	LCM	1:06.02	flying	400 Medley Relay (leg 3)	2025-07-19	2025 Adirondack Long Course Championships

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

5491 points (5/5 events)

Event	Time	Points
500 FR SCY	5:00.27	1100
100 BK SCY	56.58	1100
100 BR SCY	1:00.73	1100
100 FL SCY	1:00.01	1091
200 IM SCY	2:04.58	1100

IMR 11-12 · SCY

4804 points (5/5 events)

Event	Time	Points
200 FR SCY	1:54.08	1100
50 BK SCY	30.47	870
50 BR SCY	33.54	951
50 FL SCY	30.04	783
100 IM SCY	1:01.07	1100

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

PR splits

1000 Freestyle SCY 11:21.13

31.82

34.30

34.63

34.25

35.13

34.40

33.61

33.94

34.01

34.92

34.35

34.44

34.81

33.77

33.47

33.49

34.47

35.19

35.00

31.13

Front half 341.01s · back half 340.12s

200 Breaststroke SCY 2:19.10

31.62

35.44

35.85

36.19

Front half 67.06s · back half 72.04s

400 Individual Medley SCY 4:21.30

28.00

31.71

32.93

32.47

37.02

37.51

31.66

30.00

Front half 125.11s · back half 136.19s

100 Freestyle SCM 1:16.73

36.65

40.08

Front half 36.65s · back half 40.08s

100 Individual Medley SCM 1:28.53

40.92

47.61

Front half 40.92s · back half 47.61s

400 Freestyle LCM 4:37.79 split/total mismatch

31.46

34.93

71.25

800 Freestyle LCM 10:21.47

30.60

45.46

40.51

40.06

40.51

39.16

40.15

38.94

39.52

38.52

39.10

38.51

39.10

37.76

38.30

35.27

Front half 315.39s · back half 306.08s

200 Backstroke LCM 2:25.60 split/total mismatch

33.70

36.61

Front half 33.70s · back half 111.90s

200 Butterfly LCM 2:26.39 split/total mismatch

31.76

36.43

Front half 31.76s · back half 114.63s

200 Individual Medley LCM 2:25.67

31.29

37.03

43.16

34.19

Front half 68.32s · back half 77.35s

400 Individual Medley LCM 5:02.09 split/total mismatch

31.78

36.07

Front half 31.78s · back half 270.31s

Progression

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

25 Freestyle SCY 15.99 17 swims

50 Freestyle SCY 24.48 80 swims

100 Freestyle SCY 53.28 61 swims

200 Freestyle SCY 1:54.08 54 swims

500 Freestyle SCY 5:00.27 38 swims

1000 Freestyle SCY 11:21.13 2 swims

1650 Freestyle SCY 17:17.36 6 swims

25 Backstroke SCY 19.72 21 swims

50 Backstroke SCY 30.47 18 swims

100 Backstroke SCY 56.58 76 swims

200 Backstroke SCY 2:02.42 40 swims

25 Breaststroke SCY 24.98 10 swims

50 Breaststroke SCY 33.54 29 swims

100 Breaststroke SCY 1:00.73 71 swims

200 Breaststroke SCY 2:19.10 33 swims

25 Butterfly SCY 20.55 12 swims

50 Butterfly SCY 30.04 26 swims

100 Butterfly SCY 1:00.01 37 swims

200 Butterfly SCY 2:14.13 7 swims

100 Individual Medley SCY 1:01.07 49 swims

200 Individual Medley SCY 2:04.58 64 swims

400 Individual Medley SCY 4:21.30 21 swims

25 Freestyle SCM 23.43 2 swims

50 Freestyle SCM 35.02 3 swims

100 Freestyle SCM 1:16.73 2 swims

25 Backstroke SCM 27.31 2 swims

50 Backstroke SCM 50.60 1 swim

25 Breaststroke SCM 39.46 1 swim

25 Butterfly SCM 31.51 1 swim

100 Individual Medley SCM 1:28.53 2 swims

50 Freestyle LCM 28.50 29 swims

100 Freestyle LCM 1:03.26 28 swims

200 Freestyle LCM 2:15.07 27 swims

400 Freestyle LCM 4:37.79 16 swims

800 Freestyle LCM 10:21.47 6 swims

1500 Freestyle LCM 19:41.15 2 swims

50 Backstroke LCM 37.21 14 swims

100 Backstroke LCM 1:09.95 16 swims

200 Backstroke LCM 2:25.60 16 swims

50 Breaststroke LCM 38.47 11 swims

100 Breaststroke LCM 1:23.28 19 swims

200 Breaststroke LCM 2:54.57 6 swims

50 Butterfly LCM 35.20 21 swims

100 Butterfly LCM 1:08.45 14 swims

200 Butterfly LCM 2:26.39 7 swims

200 Individual Medley LCM 2:25.67 28 swims

400 Individual Medley LCM 5:02.09 6 swims