Isaac Chau

Mage 17IEMTPNSTISTMTSI

226 plausible swims · 42 meets · 2022-06-04 → 2026-06-14

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	22.11	AA+0.02s to AAA	2026-03-08	2026 BBST Seize the Day Invitational venue
100 Freestyle	SCY	48.13	AAA+2.04s to AAAA	2025-12-21	2025 WA State Senior SC Champs- APPROVED venue
200 Freestyle	SCY	1:45.99	AAA+4.50s to AAAA	2026-03-13	2026 Bellevue Club Premier Invite- Approved fast pool
500 Freestyle	SCY	5:15.46	BB+0.57s to A	2024-11-17	2024 PN IST November Invitational venue
1650 Freestyle	SCY	18:38.48	BB+16.89s to A	2024-11-16	2024 PN IST November Invitational venue
25 Backstroke	SCY	14.17		2025-09-27	2025 PN IST Sockeye Sprints venue
50 Backstroke	SCY	27.86	BB+1.07s to A	2025-09-27	2025 PN IST Sockeye Sprints venue
100 Backstroke	SCY	56.94	A+2.05s to AA	2026-01-18	2026 PN VAST 49th Annual Washington Open- APP venue
200 Backstroke	SCY	2:13.22	BB+8.03s to A	2025-01-25	2025 PN IST Janurary Invitational venue
50 Breaststroke	SCY	29.32	AA+1.03s to AAA	2025-12-21	2025 WA State Senior SC Champs- APPROVED venue
100 Breaststroke	SCY	1:00.82	AA+1.43s to AAA	2026-03-14	2026 Bellevue Club Premier Invite- Approved fast pool
200 Breaststroke	SCY	2:21.28	BB+0.49s to A	2024-12-21	2024 WA State Senior Short Course Champs venue
25 Butterfly	SCY	12.44		2025-09-27	2025 PN IST Sockeye Sprints venue
50 Butterfly	SCY	23.84	AAA+0.45s to AAAA	2025-12-21	2025 WA State Senior SC Champs- APPROVED venue
100 Butterfly	SCY	51.88	AAA+2.29s to AAAA	2026-03-14	2026 Bellevue Club Premier Invite- Approved fast pool
200 Butterfly	SCY	1:57.96	AA+1.07s to AAA	2025-12-20	2025 WA State Senior SC Champs- APPROVED venue
100 Individual Medley	SCY	59.65		2024-09-29	2024 PN IST Sockeye Sprints venue
200 Individual Medley	SCY	2:05.84	A+2.95s to AA	2024-10-19	2024 PN IST Fall Open venue
400 Individual Medley	SCY	4:44.08	BB+8.09s to A	2024-10-20	2024 PN IST Fall Open venue
50 Freestyle	LCM	26.17	AA+0.68s to AAA	2026-06-14	2026 PN IST June Invtational- Approved venue
100 Freestyle	LCM	56.03	AA+0.44s to AAA	2025-07-20	2025 PN 13&O LC Senior Championships venue
200 Freestyle	LCM	2:02.84	AA+0.65s to AAA	2025-07-18	2025 PN 13&O LC Senior Championships venue
400 Freestyle	LCM	4:31.11	AA+10.52s to AAA	2025-07-19	2025 PN 13&O LC Senior Championships venue
50 Backstroke	LCM	34.64	BB+2.65s to A	2024-05-19	2024 PN IST Sockeye Springtime Madness venue
100 Backstroke	LCM	1:16.21	B+3.12s to BB	2025-05-17	2025 PN IST Sockeye Springtime Madness venue
200 Backstroke	LCM	2:44.64	B+5.35s to BB	2025-05-04	2025 PN BC May Flowers venue
50 Breaststroke	LCM	33.45	AA+1.36s to AAA	2026-06-14	2026 PN IST June Invtational- Approved venue
100 Breaststroke	LCM	1:16.03	BB+0.54s to A	2025-05-18	2025 PN IST Sockeye Springtime Madness venue
200 Breaststroke	LCM	2:46.77	BB+2.08s to A	2024-07-20	2024 PN LC Senior Championships venue
50 Butterfly	LCM	27.67	AAA+1.28s to AAAA	2025-07-18	2025 PN 13&O LC Senior Championships venue
100 Butterfly	LCM	1:01.03	AA+1.34s to AAA	2025-07-19	2025 PN 13&O LC Senior Championships venue
200 Butterfly	LCM	2:24.25	A+4.96s to AA	2025-07-20	2025 PN 13&O LC Senior Championships venue
200 Individual Medley	LCM	2:24.55	A+2.16s to AA	2025-06-14	2025 IST June Invtational venue
400 Individual Medley	LCM	5:13.66	A+7.97s to AA	2025-06-15	2025 IST June Invtational 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	21.84	flying	200 Free Relay (leg 2)	2026-02-21	2026 WIAA 4A Boys HS State Champs- OB
100 Freestyle	SCY	48.31	flying	400 Free Relay (leg 4)	2026-02-21	2026 WIAA 4A Boys HS State Champs- OB
50 Freestyle	LCM	25.43	flying	200 Free Relay (leg 4)	2024-08-01	GroupA - WZ LCM Senior Champs 2024

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

3884 points (6/6 events)

Event	Time	Points
500 FR SCY	5:15.46	643
200 BK SCY	2:13.22	531
200 BR SCY	2:21.28	639
200 FL SCY	1:57.96	806
200 IM SCY	2:05.84	678
400 IM SCY	4:44.08	587

IMR 17-18 · SCY

3782 points (5/5 events)

Event	Time	Points
200 FR SCY	1:45.99	844
100 BK SCY	56.94	633
100 BR SCY	1:00.82	780
100 FL SCY	51.88	847
200 IM SCY	2:05.84	678

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

PR splits

100 Freestyle SCY 48.13 RT 0.69s

23.36

24.77

Front half 23.36s · back half 24.77s

200 Freestyle SCY 1:45.99

24.94

26.59

27.02

27.44

Front half 51.53s · back half 54.46s

500 Freestyle SCY 5:15.46

26.72

29.04

30.62

32.29

32.86

32.88

33.13

33.18

33.25

31.49

Front half 151.53s · back half 163.93s

1650 Freestyle SCY 18:38.48

29.05

31.72

32.76

33.09

33.67

33.96

34.05

34.57

33.87

33.61

34.04

34.11

33.79

33.84

34.03

34.26

34.20

34.11

34.77

34.38

34.47

34.62

34.46

34.70

34.51

34.49

34.37

34.35

34.69

34.62

34.52

34.41

32.39

100 Backstroke SCY 56.94 RT 0.80s

27.61

29.33

Front half 27.61s · back half 29.33s

200 Backstroke SCY 2:13.22

31.72

34.07

33.36

Front half 65.79s · back half 67.43s

100 Breaststroke SCY 1:00.82 RT 0.56s

28.48

32.34

Front half 28.48s · back half 32.34s

200 Breaststroke SCY 2:21.28

32.61

36.34

36.29

36.04

Front half 68.95s · back half 72.33s

100 Butterfly SCY 51.88

23.98

27.90

Front half 23.98s · back half 27.90s

200 Butterfly SCY 1:57.96 RT 0.67s

25.75

29.54

30.35

32.32

Front half 55.29s · back half 62.67s

100 Individual Medley SCY 59.65

27.71

31.94

Front half 27.71s · back half 31.94s

400 Individual Medley SCY 4:44.08

29.13

34.70

38.04

37.39

40.12

38.60

34.33

31.77

Front half 139.26s · back half 144.82s

200 Freestyle LCM 2:02.84 RT 0.66s

57.49

65.35

Front half 57.49s · back half 65.35s

400 Freestyle LCM 4:31.11 RT 0.65s

63.07

69.92

70.47

67.65

Front half 132.99s · back half 138.12s

200 Backstroke LCM 2:44.64 RT 0.80s

80.03

84.61

Front half 80.03s · back half 84.61s

200 Breaststroke LCM 2:46.77 RT 0.68s

80.87

85.90

Front half 80.87s · back half 85.90s

200 Butterfly LCM 2:24.25 RT 0.68s

64.87

79.38

Front half 64.87s · back half 79.38s

200 Individual Medley LCM 2:24.55 RT 0.67s

69.21

75.34

Front half 69.21s · back half 75.34s

400 Individual Medley LCM 5:13.66 RT 0.70s

67.33

86.00

89.01

71.32

Front half 153.33s · back half 160.33s

Reaction time

fastest 0.51s average 0.660s slowest 0.80s 92 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 22.11 11 swims

100 Freestyle SCY 48.13 16 swims

200 Freestyle SCY 1:45.99 17 swims

500 Freestyle SCY 5:15.46 2 swims

1650 Freestyle SCY 18:38.48 1 swim

25 Backstroke SCY 14.17 1 swim

50 Backstroke SCY 27.86 2 swims

100 Backstroke SCY 56.94 5 swims

200 Backstroke SCY 2:13.22 2 swims

50 Breaststroke SCY 29.32 3 swims

100 Breaststroke SCY 1:00.82 10 swims

200 Breaststroke SCY 2:21.28 9 swims

25 Butterfly SCY 12.44 1 swim

50 Butterfly SCY 23.84 9 swims

100 Butterfly SCY 51.88 26 swims

200 Butterfly SCY 1:57.96 14 swims

100 Individual Medley SCY 59.65 1 swim

200 Individual Medley SCY 2:05.84 6 swims

400 Individual Medley SCY 4:44.08 3 swims

50 Freestyle LCM 26.17 11 swims

100 Freestyle LCM 56.03 14 swims

200 Freestyle LCM 2:02.84 10 swims

400 Freestyle LCM 4:31.11 3 swims

50 Backstroke LCM 34.64 1 swim

100 Backstroke LCM 1:16.21 2 swims

200 Backstroke LCM 2:44.64 1 swim

50 Breaststroke LCM 33.45 4 swims

100 Breaststroke LCM 1:16.03 5 swims

200 Breaststroke LCM 2:46.77 7 swims

50 Butterfly LCM 27.67 6 swims

100 Butterfly LCM 1:01.03 9 swims

200 Butterfly LCM 2:24.25 8 swims

200 Individual Medley LCM 2:24.55 4 swims

400 Individual Medley LCM 5:13.66 2 swims