Isaac Yeung

Mage 17IAIEMTNMORPNUTBCBVUEPNSMACUN-SM

220 plausible swims · 44 meets · 2022-06-03 → 2026-06-26

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	22.65	AA+0.56s to AAA	2024-03-22	2024 Northwest Region Age Group Regionals venue
100 Freestyle	SCY	48.64	AA+0.35s to AAA	2024-12-22	2024 WA State Senior Short Course Champs venue
200 Freestyle	SCY	1:41.29	AAAA	2025-12-12	2025 West Speedo Winter Juniors venue
500 Freestyle	SCY	4:29.74	AAAA	2026-03-14	2026 Bellevue Club Premier Invite- Approved fast pool
1000 Freestyle	SCY	9:17.59	AAAA	2026-03-12	2026 Bellevue Club Premier Invite- Approved fast pool
1650 Freestyle	SCY	15:41.89	AAAA	2026-03-15	2026 Bellevue Club Premier Invite- Approved fast pool
100 Backstroke	SCY	53.66	AA+1.17s to AAA	2026-01-18	2026 PN VAST 49th Annual Washington Open- APP venue
200 Backstroke	SCY	1:54.68	AAA+5.09s to AAAA	2025-06-22	2025 PN SRST StingRay Invitational venue
50 Breaststroke	SCY	30.45	A+0.86s to AA	2026-02-28	2026 PN February AGI, Div 1-Approved fast pool
100 Breaststroke	SCY	1:03.48	A+1.39s to AA	2025-09-21	2025 PN BC 47th Annual Blue Orange Meet venue
200 Breaststroke	SCY	2:15.15	A+0.26s to AA	2025-06-21	2025 PN SRST StingRay Invitational venue
50 Butterfly	SCY	24.47	AAA+1.08s to AAAA	2026-02-28	2026 PN February AGI, Div 1-Approved fast pool
100 Butterfly	SCY	52.28	AA+0.29s to AAA	2025-11-09	2025 THSC November Open venue
200 Butterfly	SCY	1:50.57	AAAA	2025-12-13	2025 West Speedo Winter Juniors venue
200 Individual Medley	SCY	1:55.32	AAA+3.13s to AAAA	2025-10-11	2025 PN MMSC Fall Invite venue
400 Individual Medley	SCY	4:04.59	AAA+3.10s to AAAA	2025-10-18	2025 PN VAST Fall Classic venue
400 Freestyle	SCM	4:07.62	AAA+6.53s to AAAA	2024-10-20	2024 PN BC Pumpkin 400 venue
50 Freestyle	LCM	26.39	AA+0.90s to AAA	2024-05-18	2024 PN IST Sockeye Springtime Madness venue
100 Freestyle	LCM	55.55	AAA+2.56s to AAAA	2024-05-19	2024 PN IST Sockeye Springtime Madness venue
200 Freestyle	LCM	1:55.57	AAAA	2025-07-18	2025 PN 13&O LC Senior Championships venue
400 Freestyle	LCM	4:03.17	AAAA	2025-07-23	USA Swimming Futures Sacramento 2025
800 Freestyle	LCM	8:25.71	AAAA	2025-07-23	USA Swimming Futures Sacramento 2025
1500 Freestyle	LCM	16:43.14	AAA+11.25s to AAAA	2024-03-17	2024 Northwest Spring Speedo Sectionals venue
100 Backstroke	LCM	1:06.36	A+1.67s to AA	2024-06-16	2024 PN UPAC Cannonball Classic venue
200 Backstroke	LCM	2:24.57	A+3.58s to AA	2026-06-19	2026 PN CSC 105th Annual Seattle Open- Approv venue
50 Breaststroke	LCM	35.88	BB+0.89s to A	2024-06-16	2024 PN UPAC Cannonball Classic venue
100 Breaststroke	LCM	1:13.94	A+1.55s to AA	2025-06-27	2025 PN CSC 104th Annual Senior Seattle Open venue
200 Breaststroke	LCM	2:50.05	BB+5.36s to A	2023-08-04	2023 Western Zone Age Group Championships venue
50 Butterfly	LCM	27.34	AAA+0.95s to AAAA	2024-05-05	2024 PN BC May Flowers venue
100 Butterfly	LCM	59.65	AAA+2.66s to AAAA	2025-07-19	2025 PN 13&O LC Senior Championships venue
200 Butterfly	LCM	2:07.05	AAAA	2024-06-16	2024 PN UPAC Cannonball Classic venue
200 Individual Medley	LCM	2:16.41	AA+0.22s to AAA	2024-05-18	2024 PN IST Sockeye Springtime Madness venue
400 Individual Medley	LCM	4:43.14	AAA+4.05s to AAAA	2025-07-18	2025 PN 13&O LC Senior Championships 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	21.86	flying	200 Free Relay (leg 3)	2025-02-22	2025 3A Boys State Swim/Dive Champs
100 Freestyle	SCY	49.23	flat	400 Free Relay	2025-02-08	2025 KingCo Conference Boys H.S. Champs
100 Freestyle	SCY	47.29	flying	400 Free Relay (leg 2)	2025-02-15	2024-2025 Sea-King District II 3A Boys Champs
100 Butterfly	SCY	50.86	flying	400 Medley Relay (leg 3)	2025-12-11	2025 West Speedo Winter Juniors
50 Freestyle	LCM	24.79	flying	200 Free Relay (leg 2)	2025-07-23	USA Swimming Futures Sacramento 2025
100 Freestyle	LCM	55.42	flat	400 Free Relay	2025-07-25	USA Swimming Futures Sacramento 2025
100 Freestyle	LCM	54.29	flying	400 Medley Relay (leg 4)	2025-07-26	USA Swimming Futures Sacramento 2025
200 Freestyle	LCM	1:54.82	flying	800 Free Relay (leg 4)	2025-07-24	USA Swimming Futures Sacramento 2025
50 Backstroke	LCM	30.64	flat	200 Medley Relay	2025-07-23	USA Swimming Futures Sacramento 2025
100 Butterfly	LCM	58.90	flying	400 Medley Relay (leg 3)	2024-07-19	2024 PN LC 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

5370 points (6/6 events)

Event	Time	Points
500 FR SCY	4:29.74	1029
200 BK SCY	1:54.68	832
200 BR SCY	2:15.15	729
200 FL SCY	1:50.57	978
200 IM SCY	1:55.32	881
400 IM SCY	4:04.59	921

IMR 17-18 · SCY

4117 points (5/5 events)

Event	Time	Points
200 FR SCY	1:41.29	967
100 BK SCY	53.66	756
100 BR SCY	1:03.48	686
100 FL SCY	52.28	827
200 IM SCY	1:55.32	881

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

PR splits

200 Freestyle SCY 1:41.29

23.84

25.81

25.68

25.96

Front half 49.65s · back half 51.64s

500 Freestyle SCY 4:29.74 RT 0.62s

24.98

27.22

27.23

27.73

27.84

26.63

26.93

27.43

27.38

26.37

Front half 135.00s · back half 134.74s

1000 Freestyle SCY 9:17.59 RT 0.65s

25.31

26.91

27.50

27.82

27.87

28.16

28.21

28.49

28.43

28.40

28.31

28.69

28.79

28.69

28.31

28.29

28.71

28.88

26.24

25.58

Front half 277.10s · back half 280.49s

1650 Freestyle SCY 15:41.89 RT 0.65s

25.80

27.83

28.74

28.56

28.82

28.73

28.82

29.16

28.72

28.80

29.00

28.81

29.13

28.91

28.87

28.72

28.66

28.89

28.59

28.80

28.75

28.91

28.72

28.01

28.29

28.74

28.69

28.62

28.94

28.88

28.69

27.27

27.02

100 Backstroke SCY 53.66

26.17

27.49

Front half 26.17s · back half 27.49s

200 Backstroke SCY 1:54.68

27.04

28.73

29.68

29.23

Front half 55.77s · back half 58.91s

100 Breaststroke SCY 1:03.48

29.75

33.73

Front half 29.75s · back half 33.73s

200 Breaststroke SCY 2:15.15

31.41

35.01

34.31

34.42

Front half 66.42s · back half 68.73s

100 Butterfly SCY 52.28

24.47

27.81

Front half 24.47s · back half 27.81s

200 Butterfly SCY 1:50.57

25.15

28.31

28.27

28.84

Front half 53.46s · back half 57.11s

200 Individual Medley SCY 1:55.32

24.98

29.97

33.39

26.98

Front half 54.95s · back half 60.37s

400 Individual Medley SCY 4:04.59 RT 0.61s

25.35

28.61

31.71

30.86

35.46

36.67

28.62

27.31

Front half 116.53s · back half 128.06s

200 Freestyle LCM 1:55.57 RT 0.62s

27.83

29.08

29.43

29.23

Front half 56.91s · back half 58.66s

400 Freestyle LCM 4:03.17 split/total mismatch

28.32

30.49

31.02

31.19

30.70

31.06

30.46

29.93

800 Freestyle LCM 8:25.71 split/total mismatch

29.14

31.91

31.71

32.32

31.70

32.20

31.68

31.92

32.29

32.37

32.62

32.26

32.06

31.72

31.36

28.45

1500 Freestyle LCM 16:43.14 RT 0.64s

29.68

32.96

33.40

34.10

33.43

33.91

33.38

33.87

33.58

33.71

33.55

34.09

33.37

34.02

32.99

34.08

33.31

33.76

33.17

33.86

33.65

34.32

30.96

37.13

31.34

35.98

33.42

34.07

32.69

31.36

Front half 500.04s · back half 503.10s

200 Backstroke LCM 2:24.57

70.34

74.23

Front half 70.34s · back half 74.23s

200 Breaststroke LCM 2:50.05

38.48

43.57

44.12

43.88

Front half 82.05s · back half 88.00s

200 Butterfly LCM 2:07.05 RT 0.57s

60.15

66.90

Front half 60.15s · back half 66.90s

200 Individual Medley LCM 2:16.41 RT 0.51s

64.64

71.77

Front half 64.64s · back half 71.77s

400 Individual Medley LCM 4:43.14 RT 0.64s

29.41

33.72

38.62

37.36

40.30

42.48

31.41

29.84

Front half 139.11s · back half 144.03s

Reaction time

fastest 0.41s average 0.566s slowest 0.76s 98 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 22.65 5 swims

100 Freestyle SCY 48.64 6 swims

200 Freestyle SCY 1:41.29 28 swims

500 Freestyle SCY 4:29.74 21 swims

1000 Freestyle SCY 9:17.59 3 swims

1650 Freestyle SCY 15:41.89 6 swims

100 Backstroke SCY 53.66 5 swims

200 Backstroke SCY 1:54.68 7 swims

50 Breaststroke SCY 30.45 1 swim

100 Breaststroke SCY 1:03.48 4 swims

200 Breaststroke SCY 2:15.15 4 swims

50 Butterfly SCY 24.47 2 swims

100 Butterfly SCY 52.28 5 swims

200 Butterfly SCY 1:50.57 18 swims

200 Individual Medley SCY 1:55.32 7 swims

400 Individual Medley SCY 4:04.59 7 swims

400 Freestyle SCM 4:07.62 2 swims

50 Freestyle LCM 26.39 3 swims

100 Freestyle LCM 55.55 2 swims

200 Freestyle LCM 1:55.57 15 swims

400 Freestyle LCM 4:03.17 14 swims

800 Freestyle LCM 8:25.71 7 swims

1500 Freestyle LCM 16:43.14 3 swims

100 Backstroke LCM 1:06.36 2 swims

200 Backstroke LCM 2:24.57 2 swims

50 Breaststroke LCM 35.88 2 swims

100 Breaststroke LCM 1:13.94 4 swims

200 Breaststroke LCM 2:50.05 2 swims

50 Butterfly LCM 27.34 3 swims

100 Butterfly LCM 59.65 3 swims

200 Butterfly LCM 2:07.05 13 swims

200 Individual Medley LCM 2:16.41 3 swims

400 Individual Medley LCM 4:43.14 9 swims