Isabella Castro

Fage 17CAMTPCSIUTCERRLKWDNOVAUN-08UNAT

151 plausible swims · 27 meets · 2021-05-01 → 2026-06-21

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	25.92	AA+0.93s to AAA	2025-11-24	2025 Southern Pacific Invite venue
100 Freestyle	SCY	53.70	AAA+2.01s to AAAA	2024-12-13	2024 CA GWSC/SCS WAG venue
200 Freestyle	SCY	1:54.31	AAA+2.62s to AAAA	2024-12-20	2024 CA-NV December Sectionals At BREA venue
500 Freestyle	SCY	5:02.45	AAA+1.16s to AAAA	2026-02-28	2026 SI CA/NV Speedo Sectionals Oceanside venue
1000 Freestyle	SCY	10:28.50	AAA+5.21s to AAAA	2026-02-26	2026 SI CA/NV Speedo Sectionals Oceanside venue
1650 Freestyle	SCY	17:47.02	AAA+20.13s to AAAA	2025-11-09	2025 Legends of Coaching Series_Peter Daland venue
200 Backstroke	SCY	2:20.44	BB+1.95s to A	2024-09-28	2024 CA LKWD September Closed Invite slow pool
50 Butterfly	SCY	28.14	AA+0.75s to AAA	2025-11-24	2025 Southern Pacific Invite venue
100 Butterfly	SCY	1:00.07	AA+1.88s to AAA	2024-12-15	2024 CA GWSC/SCS WAG venue
200 Butterfly	SCY	2:11.74	AA+2.05s to AAA	2024-12-14	2024 CA GWSC/SCS WAG venue
200 Individual Medley	SCY	2:16.87	A+0.38s to AA	2024-12-14	2024 CA GWSC/SCS WAG venue
400 Individual Medley	SCY	4:39.56	AA+1.37s to AAA	2024-12-13	2024 CA GWSC/SCS WAG venue
50 Freestyle	LCM	29.33	AA+0.94s to AAA	2026-06-07	2026 FAST 4th Annual Jon Urbanchek Invitation venue
100 Freestyle	LCM	1:00.83	AAA+2.14s to AAAA	2026-05-24	2026 CA 30th NOVA-Speedo Grand Challenge venue
200 Freestyle	LCM	2:10.88	AAA+3.79s to AAAA	2026-05-23	2026 CA 30th NOVA-Speedo Grand Challenge venue
400 Freestyle	LCM	4:32.85	AAA+4.56s to AAAA	2026-05-22	2026 CA 30th NOVA-Speedo Grand Challenge venue
800 Freestyle	LCM	9:25.33	AAA+9.34s to AAAA	2026-06-21	2026 CA MVN Fran Crippen SMOC venue
1500 Freestyle	LCM	18:48.29	AA+17.40s to AAA	2025-07-13	2025 LAI Entries venue
100 Butterfly	LCM	1:08.79	AA+2.50s to AAA	2024-07-27	2024 CA SCS/ BREA Summer A/G Champs slow pool
200 Butterfly	LCM	2:32.69	AA+6.20s to AAA	2026-06-07	2026 FAST 4th Annual Jon Urbanchek Invitation venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.

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	25.84	flying	200 Free Relay (leg 3)	2025-03-01	2025 RBAC March Madness Spring Championship
50 Freestyle	SCY	25.73	flying	200 Medley Relay (leg 4)	2025-03-01	2025 RBAC March Madness Spring Championship
100 Freestyle	SCY	55.16	flat	400 Free Relay	2024-05-03	2024 CIF-SS Division 2
100 Freestyle	SCY	54.06	flying	400 Free Relay (leg 2)	2025-03-02	2025 RBAC March Madness Spring Championship
100 Freestyle	SCY	54.81	flying	400 Medley Relay (leg 4)	2025-02-28	2025 RBAC March Madness Spring Championship
200 Freestyle	SCY	1:55.13	flying	800 Free Relay (leg 4)	2026-02-26	2026 SI CA/NV Speedo Sectionals Oceanside
50 Butterfly	SCY	28.26	flying	200 Medley Relay (leg 3)	2024-12-21	2024 CA-NV December Sectionals At BREA
50 Freestyle	LCM	28.67	flying	200 Free Relay (leg 3)	2024-07-26	2024 CA SCS/ BREA Summer A/G Champs
100 Freestyle	LCM	1:02.70	flat	400 Free Relay	2024-07-28	2024 CA SCS/ BREA Summer A/G Champs
200 Freestyle	LCM	2:11.87	flying	800 Free Relay (leg 3)	2024-07-25	2024 CA SCS/ BREA Summer A/G 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 17-18 · SCY

3906 points (5/6 events — incomplete)

Event	Time	Points
500 FR SCY	5:02.45	950
200 BK SCY	2:20.44	609
200 FL SCY	2:11.74	795
200 IM SCY	2:16.87	720
400 IM SCY	4:39.56	832
200 BR SCY	—	0

IMR 17-18 · SCY

2395 points (3/5 events — incomplete)

Event	Time	Points
200 FR SCY	1:54.31	900
100 FL SCY	1:00.07	775
200 IM SCY	2:16.87	720
100 BK SCY	—	0
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 53.70

26.14

27.56

Front half 26.14s · back half 27.56s

200 Freestyle SCY 1:54.31 RT 0.71s

26.38

28.47

29.57

29.89

Front half 54.85s · back half 59.46s

500 Freestyle SCY 5:02.45

28.21

29.96

30.25

30.35

30.84

30.64

30.89

30.65

30.79

29.87

Front half 149.61s · back half 152.84s

1000 Freestyle SCY 10:28.50

29.24

31.44

31.15

31.11

31.02

31.18

31.20

31.16

31.39

31.61

31.41

31.44

31.26

31.82

32.45

32.36

32.22

32.13

32.11

30.80

Front half 310.50s · back half 318.00s

1650 Freestyle SCY 17:47.02

29.46

31.82

32.03

31.83

31.92

32.06

31.89

31.97

32.01

32.08

32.29

32.18

31.89

32.36

32.60

32.53

32.74

32.88

32.79

31.97

32.84

32.83

32.78

33.00

33.09

32.70

33.09

33.08

33.25

32.69

32.41

30.96

200 Backstroke SCY 2:20.44

34.17

35.59

36.18

34.50

Front half 69.76s · back half 70.68s

100 Butterfly SCY 1:00.07

28.19

31.88

Front half 28.19s · back half 31.88s

200 Butterfly SCY 2:11.74

29.21

32.70

34.17

35.66

Front half 61.91s · back half 69.83s

200 Individual Medley SCY 2:16.87

29.67

35.33

42.18

29.69

Front half 65.00s · back half 71.87s

400 Individual Medley SCY 4:39.56

28.74

33.01

36.49

34.96

42.34

42.74

31.62

29.66

Front half 133.20s · back half 146.36s

100 Freestyle LCM 1:00.83

29.51

31.32

Front half 29.51s · back half 31.32s

200 Freestyle LCM 2:10.88

30.75

33.00

33.62

33.51

Front half 63.75s · back half 67.13s

800 Freestyle LCM 9:25.33

32.66

35.37

35.79

35.90

35.20

35.36

35.77

35.61

35.94

35.16

36.00

35.68

35.75

35.07

34.28

Front half 281.84s · back half 283.49s

1500 Freestyle LCM 18:48.29

69.09

72.54

72.89

74.48

74.75

75.06

75.32

76.53

76.25

78.27

77.34

76.40

76.25

76.71

76.41

200 Butterfly LCM 2:32.69

34.02

38.69

39.24

40.74

Front half 72.71s · back half 79.98s

Reaction time

fastest 0.57s average 0.706s slowest 0.78s 18 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 25.92 3 swims

100 Freestyle SCY 53.70 14 swims

200 Freestyle SCY 1:54.31 19 swims

500 Freestyle SCY 5:02.45 15 swims

1000 Freestyle SCY 10:28.50 5 swims

1650 Freestyle SCY 17:47.02 5 swims

200 Backstroke SCY 2:20.44 1 swim

50 Butterfly SCY 28.14 2 swims

100 Butterfly SCY 1:00.07 12 swims

200 Butterfly SCY 2:11.74 7 swims

200 Individual Medley SCY 2:16.87 2 swims

400 Individual Medley SCY 4:39.56 6 swims

50 Freestyle LCM 29.33 3 swims

100 Freestyle LCM 1:00.83 14 swims

200 Freestyle LCM 2:10.88 14 swims

400 Freestyle LCM 4:32.85 11 swims

800 Freestyle LCM 9:25.33 7 swims

1500 Freestyle LCM 18:48.29 2 swims

100 Butterfly LCM 1:08.79 5 swims

200 Butterfly LCM 2:32.69 2 swims