Sean Luk

Mage 17CATSM

174 plausible swims · 28 meets · 2024-07-25 → 2026-06-21

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	24.02	A+0.93s to AA	2026-02-01	BCA Winter Heats venue
100 Freestyle	SCY	51.47	A+1.08s to AA	2026-01-31	BCA Winter Heats venue
200 Freestyle	SCY	1:51.42	A+0.23s to AA	2024-12-15	2024 CA RAA/SCS WAG venue
500 Freestyle	SCY	5:01.31	AA+12.72s to AAA	2025-11-16	BCA Fall Festival venue
1000 Freestyle	SCY	10:12.87	AA+8.38s to AAA	2025-12-12	2025 CA GWSC Winter Age Group Invitational venue
1650 Freestyle	SCY	17:20.74	AA+30.95s to AAA	2025-11-15	BCA Fall Festival venue
50 Backstroke	SCY	27.50	BB+0.71s to A	2026-01-31	BCA Winter Heats venue
100 Backstroke	SCY	58.23	BB+0.94s to A	2026-02-01	BCA Winter Heats venue
200 Backstroke	SCY	2:07.65	BB+2.46s to A	2025-11-15	BCA Fall Festival venue
50 Breaststroke	SCY	30.05	A+0.46s to AA	2025-09-20	2025 TSM Aquatics Season Opener venue
100 Breaststroke	SCY	1:05.08	BB+0.39s to A	2025-09-21	2025 TSM Aquatics Season Opener venue
200 Breaststroke	SCY	2:22.71	BB+1.92s to A	2025-02-22	2025 Pacific Committee SC Championship venue
50 Butterfly	SCY	26.22	A+0.63s to AA	2025-09-21	2025 TSM Aquatics Season Opener venue
100 Butterfly	SCY	56.97	BB+0.28s to A	2025-02-23	2025 Pacific Committee SC Championship venue
200 Butterfly	SCY	2:02.36	A+0.17s to AA	2025-12-14	2025 CA GWSC Winter Age Group Invitational venue
200 Individual Medley	SCY	2:03.68	A+0.79s to AA	2026-03-01	2026 Pacific Committee SC Chmpionship venue
400 Individual Medley	SCY	4:20.10	AA+7.11s to AAA	2026-02-28	2026 Pacific Committee SC Chmpionship venue
50 Freestyle	LCM	26.88	A+0.19s to AA	2026-05-02	2026 TORR May Spring Splash venue
100 Freestyle	LCM	58.75	A+0.66s to AA	2025-05-31	CITI Summer Sizzler venue
200 Freestyle	LCM	2:07.66	AA+5.47s to AAA	2026-05-02	2026 TORR May Spring Splash venue
400 Freestyle	LCM	4:28.49	AA+7.90s to AAA	2025-05-31	CITI Summer Sizzler venue
800 Freestyle	LCM	9:25.48	AA+23.99s to AAA	2026-06-14	2026 SCS June AG Invite venue
1500 Freestyle	LCM	17:49.85	AA+30.76s to AAA	2024-07-25	2024 CA SCS/GWSC Summer A/G Champs slow pool
50 Breaststroke	LCM	34.49	A+0.90s to AA	2025-01-19	2025 Road to LA28 venue
100 Breaststroke	LCM	1:11.42	AA+2.23s to AAA	2026-06-13	2026 SCS June AG Invite venue
200 Breaststroke	LCM	2:43.44	A+5.55s to AA	2025-05-03	2025 CA TORR Spring Splash venue
50 Butterfly	LCM	28.52	AA+0.83s to AAA	2026-06-13	2026 SCS June AG Invite venue
100 Butterfly	LCM	1:02.51	A+0.12s to AA	2026-05-02	2026 TORR May Spring Splash venue
200 Butterfly	LCM	2:16.26	AA+3.07s to AAA	2026-06-12	2026 SCS June AG Invite venue
200 Individual Medley	LCM	2:15.94	AAA+5.95s to AAAA	2026-06-12	2026 SCS June AG Invite venue
400 Individual Medley	LCM	4:54.04	AA+1.65s to AAA	2025-06-12	2025 June Age Group Invite 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	23.79	flying	200 Free Relay (leg 2)	2025-02-23	2025 Pacific Committee SC Championship
200 Freestyle	SCY	2:02.01	flying	800 Free Relay (leg 3)	2025-02-21	2025 Pacific Committee SC Championship
100 Butterfly	SCY	57.82	flying	400 Medley Relay (leg 3)	2025-02-23	2025 Pacific Committee SC Championship
50 Freestyle	LCM	27.96	flying	200 Free Relay (leg 2)	2024-07-25	2024 CA SCS/GWSC Summer A/G Champs
100 Freestyle	LCM	59.28	flying	400 Medley Relay (leg 4)	2024-07-27	2024 CA SCS/GWSC Summer A/G Champs
200 Freestyle	LCM	2:13.58	flying	800 Free Relay (leg 3)	2024-07-26	2024 CA SCS/GWSC Summer A/G Champs
50 Backstroke	LCM	35.93	flat	200 Medley Relay	2024-07-25	2024 CA SCS/GWSC Summer A/G Champs
50 Breaststroke	LCM	33.67	flying	200 Medley Relay (leg 2)	2025-06-15	2025 June Age Group Invite

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

4163 points (6/6 events)

Event	Time	Points
500 FR SCY	5:01.31	738
200 BK SCY	2:07.65	603
200 BR SCY	2:22.71	620
200 FL SCY	2:02.36	722
200 IM SCY	2:03.68	714
400 IM SCY	4:20.10	766

IMR 17-18 · SCY

3307 points (5/5 events)

Event	Time	Points
200 FR SCY	1:51.42	727
100 BK SCY	58.23	591
100 BR SCY	1:05.08	636
100 FL SCY	56.97	639
200 IM SCY	2:03.68	714

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

PR splits

100 Freestyle SCY 51.47

25.04

26.43

Front half 25.04s · back half 26.43s

200 Freestyle SCY 1:51.42

25.98

28.04

28.61

28.79

Front half 54.02s · back half 57.40s

500 Freestyle SCY 5:01.31

27.46

30.09

30.57

30.56

30.68

30.54

30.78

30.76

30.52

29.35

Front half 149.36s · back half 151.95s

1000 Freestyle SCY 10:12.87

26.97

29.24

29.73

30.53

30.50

30.56

30.64

30.73

30.83

31.20

31.35

31.86

31.78

31.73

32.00

31.60

32.18

31.49

30.12

27.83

Front half 300.93s · back half 311.94s

1650 Freestyle SCY 17:20.74

27.32

30.00

30.86

31.42

31.30

31.60

31.80

32.16

31.62

31.76

32.08

32.20

32.15

32.11

32.37

32.44

32.40

31.72

32.06

31.77

32.03

31.90

31.95

32.35

31.85

31.91

32.02

32.29

31.79

30.98

30.38

28.20

100 Backstroke SCY 58.23

28.59

29.64

Front half 28.59s · back half 29.64s

200 Backstroke SCY 2:07.65

29.94

31.76

32.97

32.98

Front half 61.70s · back half 65.95s

100 Breaststroke SCY 1:05.08

30.76

34.32

Front half 30.76s · back half 34.32s

200 Breaststroke SCY 2:22.71

32.35

35.80

37.50

37.06

Front half 68.15s · back half 74.56s

100 Butterfly SCY 56.97

27.12

29.85

Front half 27.12s · back half 29.85s

200 Butterfly SCY 2:02.36

26.98

30.86

31.90

32.62

Front half 57.84s · back half 64.52s

200 Individual Medley SCY 2:03.68

26.78

33.02

35.45

28.43

Front half 59.80s · back half 63.88s

400 Individual Medley SCY 4:20.10

27.40

31.14

34.95

34.72

36.38

37.52

29.62

28.37

Front half 128.21s · back half 131.89s

200 Freestyle LCM 2:07.66

62.15

65.51

Front half 62.15s · back half 65.51s

400 Freestyle LCM 4:28.49

64.74

68.45

68.39

66.91

Front half 133.19s · back half 135.30s

800 Freestyle LCM 9:25.48

30.35

33.87

34.44

34.88

35.13

35.49

35.83

35.95

35.49

36.06

36.43

37.21

36.21

36.53

36.21

35.40

Front half 275.94s · back half 289.54s

1500 Freestyle LCM 17:49.85

31.42

34.40

35.13

35.22

35.65

35.63

34.90

35.21

35.62

35.26

35.72

35.74

35.76

35.60

35.72

36.04

35.64

36.11

35.88

36.43

35.89

36.81

36.80

36.19

36.60

36.81

36.44

36.28

36.69

34.26

Front half 526.98s · back half 542.87s

100 Breaststroke LCM 1:11.42

33.99

37.43

Front half 33.99s · back half 37.43s

200 Breaststroke LCM 2:43.44

79.05

84.39

Front half 79.05s · back half 84.39s

200 Butterfly LCM 2:16.26

30.35

34.65

35.33

35.93

Front half 65.00s · back half 71.26s

200 Individual Medley LCM 2:15.94

29.40

35.46

39.65

31.43

Front half 64.86s · back half 71.08s

400 Individual Medley LCM 4:54.04

31.25

34.91

39.40

38.76

41.35

42.81

33.33

32.23

Front half 144.32s · back half 149.72s

Progression

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

50 Freestyle SCY 24.02 5 swims

100 Freestyle SCY 51.47 5 swims

200 Freestyle SCY 1:51.42 7 swims

500 Freestyle SCY 5:01.31 7 swims

1000 Freestyle SCY 10:12.87 7 swims

1650 Freestyle SCY 17:20.74 2 swims

50 Backstroke SCY 27.50 4 swims

100 Backstroke SCY 58.23 2 swims

200 Backstroke SCY 2:07.65 4 swims

50 Breaststroke SCY 30.05 5 swims

100 Breaststroke SCY 1:05.08 3 swims

200 Breaststroke SCY 2:22.71 6 swims

50 Butterfly SCY 26.22 5 swims

100 Butterfly SCY 56.97 7 swims

200 Butterfly SCY 2:02.36 10 swims

200 Individual Medley SCY 2:03.68 11 swims

400 Individual Medley SCY 4:20.10 12 swims

50 Freestyle LCM 26.88 2 swims

100 Freestyle LCM 58.75 1 swim

200 Freestyle LCM 2:07.66 4 swims

400 Freestyle LCM 4:28.49 6 swims

800 Freestyle LCM 9:25.48 5 swims

1500 Freestyle LCM 17:49.85 2 swims

50 Breaststroke LCM 34.49 1 swim

100 Breaststroke LCM 1:11.42 8 swims

200 Breaststroke LCM 2:43.44 6 swims

50 Butterfly LCM 28.52 3 swims

100 Butterfly LCM 1:02.51 3 swims

200 Butterfly LCM 2:16.26 12 swims

200 Individual Medley LCM 2:15.94 11 swims

400 Individual Medley LCM 4:54.04 8 swims