Isabella Zarkos

Fage 17CAMTUTFATHSAND

113 plausible swims · 23 meets · 2022-12-08 → 2026-06-28

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	26.02	AA+1.03s to AAA	2026-02-15	2026 Desert Committee Championships venue
100 Freestyle	SCY	55.39	AA+1.30s to AAA	2025-09-20	2025CATeam Rebel SC Meet venue
200 Freestyle	SCY	1:56.22	AAA+4.53s to AAAA	2025-12-13	2025 West Speedo Winter Juniors venue
500 Freestyle	SCY	4:57.42	AAAA	2025-12-13	2025 West Speedo Winter Juniors venue
1000 Freestyle	SCY	10:04.53	AAAA	2025-12-13	2025 West Speedo Winter Juniors venue
1650 Freestyle	SCY	16:45.82	AAAA	2025-12-13	2025 West Speedo Winter Juniors venue
50 Backstroke	SCY	28.76	AA+1.07s to AAA	2025-09-20	2025CATeam Rebel SC Meet venue
100 Backstroke	SCY	1:01.45	A+0.26s to AA	2025-08-23	BCH Desert Invitational 2025 venue
200 Backstroke	SCY	2:08.37	AA+1.38s to AAA	2025-10-18	2025 Sandpipers Pumpkin Invitational venue
100 Breaststroke	SCY	1:14.08	BB+0.69s to A	2025-10-18	2025 Sandpipers Pumpkin Invitational venue
200 Breaststroke	SCY	2:41.94	BB+1.85s to A	2024-10-19	2024 Sandpipers Pumpkin Invite venue
50 Butterfly	SCY	28.44	AA+1.05s to AAA	2025-10-31	2025 "Our Rising Tides" 16u SCY P/F Meet venue
100 Butterfly	SCY	1:01.73	A+0.84s to AA	2025-08-23	BCH Desert Invitational 2025 venue
200 Butterfly	SCY	2:12.23	AA+2.54s to AAA	2025-11-02	2025 "Our Rising Tides" 16u SCY P/F Meet venue
100 Individual Medley	SCY	1:04.28		2024-10-20	2024 Sandpipers Pumpkin Invite venue
200 Individual Medley	SCY	2:11.53	AA+0.94s to AAA	2025-11-01	2025 "Our Rising Tides" 16u SCY P/F Meet venue
400 Individual Medley	SCY	4:37.47	AAA+11.88s to AAAA	2025-11-02	2025 "Our Rising Tides" 16u SCY P/F Meet venue
50 Freestyle	LCM	30.11	A+0.42s to AA	2026-06-26	2026 SAND John Sullivan Firecracker Inv fast pool
100 Freestyle	LCM	1:02.44	AA+0.95s to AAA	2026-06-28	2026 SAND John Sullivan Firecracker Inv fast pool
200 Freestyle	LCM	2:12.29	AAA+5.20s to AAAA	2026-04-12	2026Team Rebel Aquatics Long Course Opener venue
400 Freestyle	LCM	4:29.91	AAA+1.62s to AAAA	2026-05-22	2026 CA 30th NOVA-Speedo Grand Challenge venue
800 Freestyle	LCM	9:11.34	AAAA	2026-05-24	2026 CA 30th NOVA-Speedo Grand Challenge venue
1500 Freestyle	LCM	17:16.76	AAAA	2026-06-18	2026 CA MVN Fran Crippen SMOC venue
50 Backstroke	LCM	33.19	AA+0.70s to AAA	2025-06-27	John Sullivan Firecracker Invite 2025 venue
100 Backstroke	LCM	1:10.20	AA+1.81s to AAA	2026-05-03	2026 SAND Cinco De Mayo Invitational venue
200 Backstroke	LCM	2:30.00	AA+1.81s to AAA	2026-04-11	2026Team Rebel Aquatics Long Course Opener venue
50 Breaststroke	LCM	39.53	A+1.54s to AA	2026-06-28	2026 SAND John Sullivan Firecracker Inv fast pool
100 Breaststroke	LCM	1:24.95	BB+0.76s to A	2026-06-27	2026 SAND John Sullivan Firecracker Inv fast pool
200 Breaststroke	LCM	3:09.82	BB+7.23s to A	2025-05-03	2025 SAND Cinco de Mayo Invitational venue
50 Butterfly	LCM	31.49	AA+0.90s to AAA	2026-06-26	2026 SAND John Sullivan Firecracker Inv fast pool
100 Butterfly	LCM	1:08.52	AA+2.23s to AAA	2026-06-27	2026 SAND John Sullivan Firecracker Inv fast pool
200 Butterfly	LCM	2:29.37	AA+2.88s to AAA	2026-04-11	2026Team Rebel Aquatics Long Course Opener venue
200 Individual Medley	LCM	2:29.67	AAA+6.58s to AAAA	2026-05-22	2026 CA 30th NOVA-Speedo Grand Challenge venue
400 Individual Medley	LCM	5:15.80	AAA+12.21s to AAAA	2026-06-20	2026 CA MVN Fran Crippen SMOC 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
100 Freestyle	SCY	56.51	flying	400 Free Relay (leg 2)	2024-05-09	2024NIAA Regional Championship 5A
50 Backstroke	SCY	29.97	flat	200 Medley Relay	2024-05-09	2024NIAA Regional Championship 5A

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

4871 points (6/6 events)

Event	Time	Points
500 FR SCY	4:57.42	999
200 BK SCY	2:08.37	798
200 BR SCY	2:41.94	625
200 FL SCY	2:12.23	787
200 IM SCY	2:11.53	811
400 IM SCY	4:37.47	851

IMR 17-18 · LCM

3888 points (5/5 events)

Event	Time	Points
200 FR LCM	2:12.29	859
100 BK LCM	1:10.20	775
100 BR LCM	1:24.95	636
100 FL LCM	1:08.52	765
200 IM LCM	2:29.67	853

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

PR splits

100 Freestyle SCY 55.39

27.00

28.39

Front half 27.00s · back half 28.39s

1650 Freestyle SCY 16:45.82 RT 0.59s

27.16

29.40

29.70

29.96

30.09

30.01

30.03

30.26

30.36

30.45

30.67

30.73

30.65

30.56

30.80

30.73

30.63

30.69

30.86

30.79

30.73

30.97

31.02

30.98

31.05

31.06

30.91

30.92

30.86

30.98

30.85

30.79

30.17

100 Backstroke SCY 1:01.45

29.76

31.69

Front half 29.76s · back half 31.69s

200 Backstroke SCY 2:08.37

30.09

32.34

32.88

33.06

Front half 62.43s · back half 65.94s

100 Breaststroke SCY 1:14.08

34.72

39.36

Front half 34.72s · back half 39.36s

200 Breaststroke SCY 2:41.94

36.57

41.39

42.15

41.83

Front half 77.96s · back half 83.98s

100 Individual Medley SCY 1:04.28

29.18

35.10

Front half 29.18s · back half 35.10s

200 Individual Medley SCY 2:11.53

28.99

33.02

39.76

29.76

Front half 62.01s · back half 69.52s

400 Individual Medley SCY 4:37.47

28.43

33.50

35.55

34.86

41.46

41.63

31.55

30.49

Front half 132.34s · back half 145.13s

100 Freestyle LCM 1:02.44

30.16

32.28

Front half 30.16s · back half 32.28s

400 Freestyle LCM 4:29.91

30.75

33.53

34.01

33.99

34.54

34.57

34.28

34.24

Front half 132.28s · back half 137.63s

800 Freestyle LCM 9:11.34

30.91

34.00

34.54

34.36

34.70

34.77

34.44

34.93

34.73

35.15

34.58

35.08

34.79

35.03

34.78

34.55

Front half 272.65s · back half 278.69s

1500 Freestyle LCM 17:16.76

30.78

33.58

33.93

34.43

34.31

34.51

34.34

34.67

34.51

34.76

34.43

34.56

34.66

34.97

34.54

34.71

34.82

35.01

34.80

34.94

35.24

34.92

35.11

35.32

35.10

34.87

34.84

34.28

Front half 512.98s · back half 523.78s

100 Backstroke LCM 1:10.20

34.03

36.17

Front half 34.03s · back half 36.17s

200 Backstroke LCM 2:30.00

73.03

76.97

Front half 73.03s · back half 76.97s

100 Breaststroke LCM 1:24.95

40.17

44.78

Front half 40.17s · back half 44.78s

200 Breaststroke LCM 3:09.82

90.15

99.67

Front half 90.15s · back half 99.67s

100 Butterfly LCM 1:08.52

31.84

36.68

Front half 31.84s · back half 36.68s

200 Butterfly LCM 2:29.37

70.16

79.21

Front half 70.16s · back half 79.21s

200 Individual Medley LCM 2:29.67

32.11

38.45

46.37

32.74

Front half 70.56s · back half 79.11s

400 Individual Medley LCM 5:15.80

32.39

37.30

41.23

40.72

47.61

47.50

34.98

34.07

Front half 151.64s · back half 164.16s

Reaction time

fastest 0.59s average 0.693s slowest 0.74s 7 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 26.02 5 swims

100 Freestyle SCY 55.39 3 swims

200 Freestyle SCY 1:56.22 7 swims

500 Freestyle SCY 4:57.42 10 swims

1000 Freestyle SCY 10:04.53 5 swims

1650 Freestyle SCY 16:45.82 3 swims

50 Backstroke SCY 28.76 3 swims

100 Backstroke SCY 1:01.45 4 swims

200 Backstroke SCY 2:08.37 6 swims

100 Breaststroke SCY 1:14.08 3 swims

200 Breaststroke SCY 2:41.94 2 swims

50 Butterfly SCY 28.44 1 swim

100 Butterfly SCY 1:01.73 2 swims

200 Butterfly SCY 2:12.23 3 swims

100 Individual Medley SCY 1:04.28 1 swim

200 Individual Medley SCY 2:11.53 5 swims

400 Individual Medley SCY 4:37.47 6 swims

50 Freestyle LCM 30.11 3 swims

100 Freestyle LCM 1:02.44 3 swims

200 Freestyle LCM 2:12.29 2 swims

400 Freestyle LCM 4:29.91 7 swims

800 Freestyle LCM 9:11.34 6 swims

1500 Freestyle LCM 17:16.76 3 swims

50 Backstroke LCM 33.19 2 swims

100 Backstroke LCM 1:10.20 1 swim

200 Backstroke LCM 2:30.00 2 swims

50 Breaststroke LCM 39.53 1 swim

100 Breaststroke LCM 1:24.95 2 swims

200 Breaststroke LCM 3:09.82 1 swim

50 Butterfly LCM 31.49 2 swims

100 Butterfly LCM 1:08.52 2 swims

200 Butterfly LCM 2:29.37 1 swim

200 Individual Medley LCM 2:29.67 2 swims

400 Individual Medley LCM 5:15.80 4 swims