Katherine Xiao

Fage 13EZNEMTSCUNUN-01XTRMXTUN

398 plausible swims · 57 meets · 2024-10-05 → 2026-06-26

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	26.71	AA+0.52s to AAA	2025-01-01	2025 spooktacular mit results
100 Freestyle	SCY	57.36	AA+0.37s to AAA	2026-03-15	2026 NE INST NE Cup fast pool
200 Freestyle	SCY	2:00.75	AAA+2.46s to AAAA	2026-03-14	2026 NE INST NE Cup fast pool
500 Freestyle	SCY	5:19.38	AAA+3.89s to AAAA	2026-02-19	2026 NE CRA SCY 11-14 Championship
1000 Freestyle	SCY	10:55.42	AAAA	2025-12-14	2025 NE NSSC Dec Holiday Celebration! venue
1650 Freestyle	SCY	18:11.57	AAAA	2025-11-21	2025 NE ABF Nov Trials and Final Meet venue
50 Backstroke	SCY	32.98	BB+1.09s to A	2025-02-01	2025 NE YNS Silver Championship venue
100 Backstroke	SCY	1:05.89	A+0.80s to AA	2025-10-19	2025 NE NSSC Beede Halloween Classic - copied venue
200 Backstroke	SCY	2:19.09	AA+4.80s to AAA	2026-03-14	2026 NE INST NE Cup fast pool
50 Breaststroke	SCY	32.29	AAAA	2026-03-15	2026 NE INST NE Cup fast pool
100 Breaststroke	SCY	1:10.46	AAA+2.27s to AAAA	2025-11-23	2025 NE ABF Nov Trials and Final Meet venue
200 Breaststroke	SCY	2:26.12	AAAA	2025-12-14	2025 NE NSSC TT Dec Holiday Celebration! venue
50 Butterfly	SCY	30.19	AA+1.40s to AAA	2025-10-12	2025 NE SAC Spooktacular - copied venue
100 Butterfly	SCY	1:05.72	A+0.93s to AA	2026-03-14	2026 NE INST NE Cup fast pool
200 Butterfly	SCY	2:48.92	B+5.23s to BB	2025-01-18	2025 NE NSSC January 18-19 Specialty
100 Individual Medley	SCY	1:04.80		2026-01-10	2026 NE NSSC January 9-11 BC Meet venue
200 Individual Medley	SCY	2:02.45	AAAA	2026-01-09	2026 NE NSSC January 9-11 BC Meet
400 Individual Medley	SCY	4:41.84	AAA+1.25s to AAAA	2025-12-12	2025 NE NSSC Dec Holiday Celebration! venue
50 Freestyle	LCM	30.67	AA+0.78s to AAA	2026-05-02	2026 NE CS Spring Fling venue
100 Freestyle	LCM	1:04.17	AAA+2.08s to AAAA	2026-05-10	2026 NE CRA MIT Team Specialty LC Meet venue
200 Freestyle	LCM	2:17.74	AAA+2.45s to AAAA	2026-05-02	2026 NE CS Spring Fling venue
400 Freestyle	LCM	4:46.86	AAA+2.47s to AAAA	2026-05-01	2026 NE CS Spring Fling venue
800 Freestyle	LCM	10:00.25	AAA+10.76s to AAAA	2026-05-08	2026 NE CRA MIT Team Specialty LC Meet venue
1500 Freestyle	LCM	20:06.61	AA+21.02s to AAA	2025-07-17	2025 NE CS LCM 11-14 Championships venue
50 Backstroke	LCM	36.17	A+0.18s to AA	2026-06-26	2026 NE NSSC June 26-28 MIT Invitational venue
100 Backstroke	LCM	1:15.60	AA+2.81s to AAA	2026-06-26	2026 NE NSSC June 26-28 MIT Invitational venue
200 Backstroke	LCM	2:46.70	A+2.61s to AA	2025-01-01	2025 sunrise summer solstice results
50 Breaststroke	LCM	37.62	AAA+0.83s to AAAA	2026-06-14	2026 NE CS Summer Solstice venue
100 Breaststroke	LCM	1:22.60	AA+0.31s to AAA	2025-07-18	2025 NE CS LCM 11-14 Championships venue
200 Breaststroke	LCM	3:00.27	AA+2.88s to AAA	2026-05-02	2026 NE CS Spring Fling venue
50 Butterfly	LCM	33.53	AA+1.14s to AAA	2026-06-26	2026 NE NSSC June 26-28 MIT Invitational venue
100 Butterfly	LCM	1:13.41	AA+2.82s to AAA	2026-06-14	2026 NE CS Summer Solstice venue
200 Individual Medley	LCM	2:35.96	AAA+4.17s to AAAA	2026-06-14	2026 NE CS Summer Solstice venue
400 Individual Medley	LCM	5:28.75	AAA+6.36s to AAAA	2026-06-26	2026 NE NSSC June 26-28 MIT Invitational venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.

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 Breaststroke	SCY	31.51	flying	200 Medley Relay (leg 2)	2025-12-18	2026 NE NSSC Senior 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 13-14 · SCY

5032 points (6/6 events)

Event	Time	Points
500 FR SCY	5:19.38	907
200 BK SCY	2:19.09	722
200 BR SCY	2:26.12	943
200 FL SCY	2:48.92	439
200 IM SCY	2:02.45	1100
400 IM SCY	4:41.84	921

IMR 13-14 · SCY

4153 points (5/5 events)

Event	Time	Points
200 FR SCY	2:00.75	870
100 BK SCY	1:05.89	671
100 BR SCY	1:10.46	840
100 FL SCY	1:05.72	672
200 IM SCY	2:02.45	1100

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

PR splits

100 Freestyle SCY 57.36

27.89

29.47

Front half 27.89s · back half 29.47s

200 Freestyle SCY 2:00.75

28.42

30.52

31.05

30.76

Front half 58.94s · back half 61.81s

500 Freestyle SCY 5:19.38 split/total mismatch

29.00

31.44

32.10

32.59

32.84

33.00

32.71

32.35

32.24

31.11

1000 Freestyle SCY 10:55.42

29.23

32.10

32.88

33.31

33.51

33.14

33.62

32.94

33.42

33.00

33.30

33.18

33.17

33.07

33.59

32.88

32.72

33.13

32.41

30.82

Front half 327.15s · back half 328.27s

1650 Freestyle SCY 18:11.57

29.99

32.60

32.93

33.07

33.32

33.26

33.19

33.15

33.22

33.43

33.40

33.14

33.39

33.25

33.02

33.26

33.51

33.25

33.44

33.11

33.29

33.16

33.01

33.41

33.34

33.44

33.35

33.23

33.46

33.24

33.39

30.86

100 Backstroke SCY 1:05.89

32.49

33.40

Front half 32.49s · back half 33.40s

200 Backstroke SCY 2:19.09

32.48

35.53

36.10

34.98

Front half 68.01s · back half 71.08s

100 Breaststroke SCY 1:10.46

33.62

36.84

Front half 33.62s · back half 36.84s

200 Breaststroke SCY 2:26.12

33.17

37.12

38.26

37.57

Front half 70.29s · back half 75.83s

100 Butterfly SCY 1:05.72

30.83

34.89

Front half 30.83s · back half 34.89s

200 Butterfly SCY 2:48.92 split/total mismatch

37.68

44.33

43.65

43.26

100 Individual Medley SCY 1:04.80

30.42

34.38

Front half 30.42s · back half 34.38s

200 Individual Medley SCY 2:02.45 split/total mismatch

28.27

30.85

31.79

31.54

400 Individual Medley SCY 4:41.84

30.57

35.04

36.96

36.40

38.89

39.78

32.32

31.88

Front half 138.97s · back half 142.87s

200 Freestyle LCM 2:17.74

32.08

34.52

35.99

35.15

Front half 66.60s · back half 71.14s

400 Freestyle LCM 4:46.86

33.38

72.93

36.84

36.20

36.80

35.59

35.12

800 Freestyle LCM 10:00.25

71.97

76.92

77.08

76.37

76.33

75.45

74.93

71.20

Front half 302.34s · back half 297.91s

1500 Freestyle LCM 20:06.61

34.04

37.84

39.80

39.32

40.37

40.18

39.81

40.23

40.43

40.55

40.70

40.99

40.65

41.13

40.69

41.24

41.14

41.00

41.16

40.94

41.37

41.01

41.18

41.68

39.89

41.44

40.94

40.51

39.36

37.02

Front half 596.73s · back half 609.88s

50 Backstroke LCM 36.17

21.83

14.34

Front half 21.83s · back half 14.34s

200 Backstroke LCM 2:46.70 split/total mismatch

38.99

42.24

44.03

41.44

100 Breaststroke LCM 1:22.60

38.97

43.63

Front half 38.97s · back half 43.63s

200 Breaststroke LCM 3:00.27

40.67

46.35

46.61

46.64

Front half 87.02s · back half 93.25s

100 Butterfly LCM 1:13.41

33.86

39.55

Front half 33.86s · back half 39.55s

200 Individual Medley LCM 2:35.96

33.81

42.08

45.04

35.03

Front half 75.89s · back half 80.07s

400 Individual Medley LCM 5:28.75

75.32

87.82

93.68

71.93

Front half 163.14s · back half 165.61s

Progression

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

50 Freestyle SCY 26.71 12 swims

100 Freestyle SCY 57.36 18 swims

200 Freestyle SCY 2:00.75 23 swims

500 Freestyle SCY 5:19.38 17 swims

1000 Freestyle SCY 10:55.42 7 swims

1650 Freestyle SCY 18:11.57 5 swims

50 Backstroke SCY 32.98 4 swims

100 Backstroke SCY 1:05.89 6 swims

200 Backstroke SCY 2:19.09 15 swims

50 Breaststroke SCY 32.29 23 swims

100 Breaststroke SCY 1:10.46 34 swims

200 Breaststroke SCY 2:26.12 33 swims

50 Butterfly SCY 30.19 8 swims

100 Butterfly SCY 1:05.72 8 swims

200 Butterfly SCY 2:48.92 3 swims

100 Individual Medley SCY 1:04.80 8 swims

200 Individual Medley SCY 2:02.45 28 swims

400 Individual Medley SCY 4:41.84 19 swims

50 Freestyle LCM 30.67 5 swims

100 Freestyle LCM 1:04.17 13 swims

200 Freestyle LCM 2:17.74 11 swims

400 Freestyle LCM 4:46.86 6 swims

800 Freestyle LCM 10:00.25 1 swim

1500 Freestyle LCM 20:06.61 3 swims

50 Backstroke LCM 36.17 6 swims

100 Backstroke LCM 1:15.60 5 swims

200 Backstroke LCM 2:46.70 6 swims

50 Breaststroke LCM 37.62 13 swims

100 Breaststroke LCM 1:22.60 10 swims

200 Breaststroke LCM 3:00.27 14 swims

50 Butterfly LCM 33.53 5 swims

100 Butterfly LCM 1:13.41 3 swims

200 Individual Medley LCM 2:35.96 18 swims

400 Individual Medley LCM 5:28.75 8 swims