Jacob Tsai

Mage 17COFGFLLAKR

212 plausible swims · 26 meets · 2024-01-13 → 2026-06-14

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	22.72	AA+0.63s to AAA	2025-01-01	1666764
100 Freestyle	SCY	49.70	AA+1.41s to AAA	2026-01-18	2026 G.O.A.T. TYR Team Challenge and SYOA venue
200 Freestyle	SCY	1:46.26	AAA+4.77s to AAAA	2025-12-06	RAFC Winter Classic venue
500 Freestyle	SCY	4:55.31	AA+6.72s to AAA	2026-01-18	2026 G.O.A.T. TYR Team Challenge and SYOA venue
100 Backstroke	SCY	52.93	AA+0.44s to AAA	2025-03-15	2025 Florida Swimming Spring Senior Champs venue
200 Backstroke	SCY	1:55.06	AA+0.27s to AAA	2025-12-05	RAFC Winter Classic venue
100 Breaststroke	SCY	1:02.15	A+0.06s to AA	2025-11-22	2025 RAFC Almost Turkey Invitational venue
200 Breaststroke	SCY	2:21.59	BB+0.80s to A	2024-10-19	2024 SLAC IMX Challenge Invitational venue
50 Butterfly	SCY	25.80	A+0.21s to AA	2024-09-28	2024 Elizabeth Kazeck Fall Sprint venue
100 Butterfly	SCY	51.66	AAA+2.07s to AAAA	2025-03-14	2025 Florida Swimming Spring Senior Champs venue
200 Butterfly	SCY	1:53.85	AAA+2.26s to AAAA	2025-12-07	RAFC Winter Classic venue
200 Individual Medley	SCY	1:55.92	AAA+3.73s to AAAA	2025-12-07	RAFC Winter Classic venue
400 Individual Medley	SCY	4:09.18	AAA+7.69s to AAAA	2025-12-06	RAFC Winter Classic venue
50 Freestyle	LCM	26.00	AA+0.51s to AAA	2026-02-14	Florida Long Course Winter Invitational venue
100 Freestyle	LCM	57.34	AA+1.75s to AAA	2025-05-17	2025 FAST May Invite venue
200 Freestyle	LCM	2:05.55	AA+3.36s to AAA	2025-04-27	2025 Ron Nardozzi Pre-Derby Sprint Invite venue
400 Freestyle	LCM	4:19.46	AAA+10.77s to AAAA	2025-06-14	2025 RAFC Summer Solstice venue
100 Backstroke	LCM	1:04.52	AA+2.63s to AAA	2025-02-15	Southern Zone South Sectional Championships venue
200 Backstroke	LCM	2:15.46	AA+0.67s to AAA	2026-06-13	2026 RAFC Summer Solstice Invitational venue
50 Breaststroke	LCM	34.46	A+0.87s to AA	2026-02-13	Florida Long Course Winter Invitational venue
100 Breaststroke	LCM	1:13.42	A+1.03s to AA	2025-06-14	2025 RAFC Summer Solstice venue
200 Breaststroke	LCM	2:49.68	BB+4.99s to A	2024-06-16	2024 RAFC Summer Solstice venue
50 Butterfly	LCM	27.41	AAA+1.02s to AAAA	2026-06-13	2026 RAFC Summer Solstice Invitational venue
100 Butterfly	LCM	59.64	AAA+2.65s to AAAA	2025-07-25	2025 TYR FUTURES OCALA venue
200 Butterfly	LCM	2:12.95	AAA+5.76s to AAAA	2025-07-23	2025 TYR FUTURES OCALA venue
200 Individual Medley	LCM	2:16.14	AAA+6.15s to AAAA	2025-06-15	2025 RAFC Summer Solstice venue
400 Individual Medley	LCM	4:50.67	AAA+11.58s to AAAA	2026-06-12	2026 RAFC Summer Solstice Invitational venue

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

Fastest relay legs

Leg	Course	Time	Start	Relay	Date	Meet
100 Backstroke	LCM	1:05.45	flat	400 Medley Relay	2024-07-19	2024 Florida Summer 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 17-18 · SCY

4877 points (6/6 events)

Event	Time	Points
500 FR SCY	4:55.31	784
200 BK SCY	1:55.06	824
200 BR SCY	2:21.59	634
200 FL SCY	1:53.85	896
200 IM SCY	1:55.92	868
400 IM SCY	4:09.18	871

IMR 17-18 · SCY

4083 points (5/5 events)

Event	Time	Points
200 FR SCY	1:46.26	838
100 BK SCY	52.93	788
100 BR SCY	1:02.15	731
100 FL SCY	51.66	858
200 IM SCY	1:55.92	868

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

PR splits

100 Freestyle SCY 49.70

24.29

25.41

Front half 24.29s · back half 25.41s

200 Freestyle SCY 1:46.26

24.60

26.74

27.79

27.13

Front half 51.34s · back half 54.92s

500 Freestyle SCY 4:55.31

26.00

28.60

29.47

30.03

30.24

30.39

30.05

30.86

30.56

29.11

Front half 144.34s · back half 150.97s

100 Backstroke SCY 52.93 RT 0.76s

25.48

27.45

Front half 25.48s · back half 27.45s

200 Backstroke SCY 1:55.06 RT 0.92s

26.49

28.61

30.68

29.28

Front half 55.10s · back half 59.96s

100 Breaststroke SCY 1:02.15

29.57

32.58

Front half 29.57s · back half 32.58s

200 Breaststroke SCY 2:21.59

32.17

36.16

37.09

36.17

Front half 68.33s · back half 73.26s

100 Butterfly SCY 51.66

24.36

27.30

Front half 24.36s · back half 27.30s

200 Butterfly SCY 1:53.85

25.98

29.24

29.16

29.47

Front half 55.22s · back half 58.63s

200 Individual Medley SCY 1:55.92

24.60

29.45

34.88

26.99

Front half 54.05s · back half 61.87s

400 Individual Medley SCY 4:09.18

26.32

29.82

32.75

31.39

37.67

36.84

27.27

27.12

Front half 120.28s · back half 128.90s

100 Freestyle LCM 57.34

27.45

29.89

Front half 27.45s · back half 29.89s

200 Freestyle LCM 2:05.55

61.54

64.01

Front half 61.54s · back half 64.01s

400 Freestyle LCM 4:19.46

29.41

32.59

32.98

33.56

33.69

34.41

31.85

30.97

Front half 128.54s · back half 130.92s

100 Backstroke LCM 1:04.52

31.03

33.49

Front half 31.03s · back half 33.49s

200 Backstroke LCM 2:15.46

31.52

34.30

35.39

34.25

Front half 65.82s · back half 69.64s

100 Breaststroke LCM 1:13.42

35.21

38.21

Front half 35.21s · back half 38.21s

200 Breaststroke LCM 2:49.68

39.34

42.29

44.96

43.09

Front half 81.63s · back half 88.05s

100 Butterfly LCM 59.64 RT 0.69s

28.03

31.61

Front half 28.03s · back half 31.61s

200 Butterfly LCM 2:12.95

29.65

32.35

36.21

34.74

Front half 62.00s · back half 70.95s

200 Individual Medley LCM 2:16.14

28.77

34.40

42.11

30.86

Front half 63.17s · back half 72.97s

400 Individual Medley LCM 4:50.67

29.61

34.19

39.00

36.82

43.12

43.54

32.19

32.20

Front half 139.62s · back half 151.05s

Reaction time

fastest 0.61s average 0.731s slowest 1.02s 33 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 22.72 4 swims

100 Freestyle SCY 49.70 5 swims

200 Freestyle SCY 1:46.26 8 swims

500 Freestyle SCY 4:55.31 4 swims

100 Backstroke SCY 52.93 9 swims

200 Backstroke SCY 1:55.06 9 swims

100 Breaststroke SCY 1:02.15 7 swims

200 Breaststroke SCY 2:21.59 2 swims

50 Butterfly SCY 25.80 1 swim

100 Butterfly SCY 51.66 13 swims

200 Butterfly SCY 1:53.85 16 swims

200 Individual Medley SCY 1:55.92 18 swims

400 Individual Medley SCY 4:09.18 16 swims

50 Freestyle LCM 26.00 3 swims

100 Freestyle LCM 57.34 3 swims

200 Freestyle LCM 2:05.55 4 swims

400 Freestyle LCM 4:19.46 5 swims

100 Backstroke LCM 1:04.52 9 swims

200 Backstroke LCM 2:15.46 5 swims

50 Breaststroke LCM 34.46 2 swims

100 Breaststroke LCM 1:13.42 8 swims

200 Breaststroke LCM 2:49.68 1 swim

50 Butterfly LCM 27.41 7 swims

100 Butterfly LCM 59.64 15 swims

200 Butterfly LCM 2:12.95 11 swims

200 Individual Medley LCM 2:16.14 14 swims

400 Individual Medley LCM 4:50.67 13 swims