Kai Liu

Mage 16GUSESTWLOO

232 plausible swims · 41 meets · 2024-01-13 → 2026-06-14

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 22.94 AA+0.55s to AAA 2026-03-06 Speedo Southern Premier
100 Freestyle SCY 49.71 AA+0.72s to AAA 2025-12-07 2025 ST LSAC 5th Annual Graceland venue
200 Freestyle SCY 1:47.84 AA+0.75s to AAA 2026-03-06 Speedo Southern Premier fast pool
500 Freestyle SCY 5:03.81 AA+12.72s to AAA 2025-12-05 2025 ST LSAC 5th Annual Graceland venue
50 Backstroke SCY 27.81 BB+0.52s to A 2024-09-22 2024 ST WLOO Short Course Kick Off slow pool
100 Backstroke SCY 53.97 AA+0.68s to AAA 2026-03-06 Speedo Southern Premier
200 Backstroke SCY 1:58.73 AA+2.04s to AAA 2025-12-07 2025 ST LSAC 5th Annual Graceland venue
50 Breaststroke SCY 29.66 AA+0.77s to AAA 2025-02-23 2025 ST AAAA STAGS Championship venue
100 Breaststroke SCY 1:04.95 A+1.76s to AA 2025-09-27 2025 ST ASC IMR IMX Challenge venue
200 Breaststroke SCY 2:26.53 BB+3.34s to A 2025-10-19 2025 ST TXLA 11&Over Fall Kick Off Invite venue
50 Butterfly SCY 24.84 AAA+1.05s to AAAA 2025-02-22 2025 ST AAAA STAGS Championship venue
100 Butterfly SCY 53.70 AA+0.81s to AAA 2026-03-06 Speedo Southern Premier
200 Butterfly SCY 2:05.06 A+1.27s to AA 2025-02-21 2025 ST AAAA STAGS Championship venue
200 Individual Medley SCY 2:02.17 AA+3.28s to AAA 2026-03-01 2026 ST AAAA SC Senior Champs venue
400 Individual Medley SCY 4:36.48 A+10.39s to AA 2024-10-18 2024 ST ASC Bob Thompson Open venue
50 Freestyle LCM 26.03 AA+0.14s to AAA 2026-06-13 2026 ST TXLA Texas Open Invite venue
100 Freestyle LCM 56.48 AAA+2.59s to AAAA 2026-04-26 2026 ST TXLA 11&O Long Course Kick Off venue
200 Freestyle LCM 2:06.69 AA+3.10s to AAA 2025-07-19 2025 ST AAAA Long Course Senior Champs venue
50 Backstroke LCM 30.90 AA+1.11s to AAA 2026-04-19 2026 ST WLOO Classic venue
100 Backstroke LCM 1:02.26 AAA+2.67s to AAAA 2025-07-11 2025 ST TXLA SZ LC Sectional Champs venue
200 Backstroke LCM 2:17.54 AA+2.15s to AAA 2025-07-12 2025 ST TXLA SZ LC Sectional Champs venue
50 Breaststroke LCM 34.74 A+0.35s to AA 2025-04-27 2025 ST WLOO Waterloo Classic venue
100 Breaststroke LCM 1:18.47 BB+1.48s to A 2024-06-16 2024 ST ASC Firecracker venue
200 Breaststroke LCM 2:55.79 BB+8.30s to A 2025-05-10 2025 ST TXLA 11&O End of School Splash venue
50 Butterfly LCM 28.57 AA+0.38s to AAA 2026-04-19 2026 ST WLOO Classic venue
100 Butterfly LCM 1:00.48 AAA+2.69s to AAAA 2026-05-16 2026 ST TXLA 11&O End of School Splash venue
200 Butterfly LCM 2:24.17 A+2.58s to AA 2025-06-15 2025 ST ASC Firecracker venue
200 Individual Medley LCM 2:20.46 AA+1.77s to AAA 2026-06-12 2026 ST TXLA Texas Open Invite venue
400 Individual Medley LCM 5:16.69 A+7.70s to AA 2025-05-09 2025 ST TXLA 11&O End of School Splash venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.

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

LegCourseTime StartRelayDateMeet
50 Freestyle SCY 23.46 flying 200 Free Relay (leg 2) 2024-03-02 2024 Texas Age Group Swimming Short Course Ch
100 Freestyle SCY 51.42 flying 400 Free Relay (leg 2) 2024-03-01 2024 Texas Age Group Swimming Short Course Ch
200 Freestyle SCY 1:53.18 flying 800 Free Relay (leg 2) 2024-02-29 2024 Texas Age Group Swimming Short Course Ch
50 Backstroke SCY 27.06 flat 200 Medley Relay 2024-03-02 2024 Texas Age Group Swimming Short Course Ch
100 Backstroke SCY 57.44 flat 400 Medley Relay 2024-03-03 2024 Texas Age Group Swimming Short Course Ch
100 Freestyle LCM 56.56 flying 400 Free Relay (leg 4) 2024-07-19 2024 Texas Age Group Swimming LC Champs
50 Backstroke LCM 29.94 flat 200 Medley Relay 2024-07-21 2024 Texas Age Group Swimming LC Champs
100 Backstroke LCM 1:04.66 flat 400 Medley Relay 2024-07-18 2024 Texas Age Group Swimming LC 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 15-16 · SCY

4380 points (6/6 events)

EventTime Points
500 FR SCY 5:03.81 752
200 BK SCY 1:58.73 810
200 BR SCY 2:26.53 625
200 FL SCY 2:05.06 731
200 IM SCY 2:02.17 795
400 IM SCY 4:36.48 667

IMR 15-16 · SCY

3994 points (5/5 events)

EventTime Points
200 FR SCY 1:47.84 845
100 BK SCY 53.97 828
100 BR SCY 1:04.95 700
100 FL SCY 53.70 826
200 IM SCY 2:02.17 795

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

PR splits

100 Freestyle SCY 49.71

23.77
25.94

Front half 23.77s · back half 25.94s

200 Freestyle SCY 1:47.84 RT 0.62s

24.45
27.54
28.22
27.63

Front half 51.99s · back half 55.85s

500 Freestyle SCY 5:03.81

26.40
30.20
31.16
30.74
31.00
30.84
31.59
32.17
30.08
29.63

Front half 149.50s · back half 154.31s

200 Backstroke SCY 1:58.73

28.46
30.01
30.65
29.61

Front half 58.47s · back half 60.26s

100 Breaststroke SCY 1:04.95

29.96
34.99

Front half 29.96s · back half 34.99s

200 Breaststroke SCY 2:26.53

31.29
37.83
39.11
38.30

Front half 69.12s · back half 77.41s

200 Butterfly SCY 2:05.06

26.81
31.50
33.09
33.66

Front half 58.31s · back half 66.75s

200 Individual Medley SCY 2:02.17

11.88
13.90
15.50
14.62
19.05
18.62
15.36
13.24

Front half 55.90s · back half 66.27s

400 Individual Medley SCY 4:36.48

28.88
33.32
35.59
34.54
40.66
39.61
32.13
31.75

Front half 132.33s · back half 144.15s

200 Freestyle LCM 2:06.69

28.39
32.00
33.63
32.67

Front half 60.39s · back half 66.30s

100 Backstroke LCM 1:02.26

30.32
31.94

Front half 30.32s · back half 31.94s

200 Backstroke LCM 2:17.54

31.72
34.11
36.62
35.09

Front half 65.83s · back half 71.71s

100 Breaststroke LCM 1:18.47

36.02
42.45

Front half 36.02s · back half 42.45s

200 Breaststroke LCM 2:55.79

82.09
93.70

Front half 82.09s · back half 93.70s

200 Butterfly LCM 2:24.17

30.89
36.20
38.26
38.82

Front half 67.09s · back half 77.08s

200 Individual Medley LCM 2:20.46

28.79
34.33
43.65
33.69

Front half 63.12s · back half 77.34s

400 Individual Medley LCM 5:16.69

31.32
37.47
41.39
40.89
46.77
47.44
36.77
34.64

Front half 151.07s · back half 165.62s

Reaction time

fastest 0.52s average 0.603s slowest 0.65s 8 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 22.94 14 swims
100 Freestyle SCY 49.71 15 swims
200 Freestyle SCY 1:47.84 10 swims
500 Freestyle SCY 5:03.81 3 swims
50 Backstroke SCY 27.81 1 swim
100 Backstroke SCY 53.97 15 swims
200 Backstroke SCY 1:58.73 12 swims
50 Breaststroke SCY 29.66 3 swims
100 Breaststroke SCY 1:04.95 7 swims
200 Breaststroke SCY 2:26.53 1 swim
50 Butterfly SCY 24.84 3 swims
100 Butterfly SCY 53.70 20 swims
200 Butterfly SCY 2:05.06 5 swims
200 Individual Medley SCY 2:02.17 10 swims
400 Individual Medley SCY 4:36.48 2 swims
50 Freestyle LCM 26.03 13 swims
100 Freestyle LCM 56.48 13 swims
200 Freestyle LCM 2:06.69 8 swims
50 Backstroke LCM 30.90 2 swims
100 Backstroke LCM 1:02.26 21 swims
200 Backstroke LCM 2:17.54 12 swims
50 Breaststroke LCM 34.74 1 swim
100 Breaststroke LCM 1:18.47 4 swims
200 Breaststroke LCM 2:55.79 2 swims
50 Butterfly LCM 28.57 2 swims
100 Butterfly LCM 1:00.48 21 swims
200 Butterfly LCM 2:24.17 2 swims
200 Individual Medley LCM 2:20.46 7 swims
400 Individual Medley LCM 5:16.69 3 swims