Joy Cheng

Fage 16GUIAILLEMNMTCWACIL

97 plausible swims · 15 meets · 2019-08-02 → 2026-06-14

Personal records

Event	Course	Best	Cut	Date	Meet
100 Freestyle	SCY	55.32	AA+0.83s to AAA	2025-03-09	2025 SC Illinois Senior Championships venue
500 Freestyle	SCY	4:53.15	AAAA	2026-03-07	2026 SC Illinois Senior Championships - copi venue
1000 Freestyle	SCY	10:01.00	AAAA	2026-03-05	2026 SC Illinois Senior Championships - copi venue
1650 Freestyle	SCY	16:56.04	AAAA	2025-01-01	2025 Speedo Winter Junior Championships - West
200 Backstroke	SCY	2:07.59	AAA+5.70s to AAAA	2026-03-08	2026 SC Illinois Senior Championships - copi venue
100 Breaststroke	SCY	1:03.32	AAAA	2026-03-06	2026 SC Illinois Senior Championships - copi venue
200 Breaststroke	SCY	2:24.19	AAA+3.60s to AAAA	2024-03-08	2024 IL Swimming SC Age Group Championships slow pool
200 Individual Medley	SCY	2:02.17	AAAA	2026-03-07	2026 SC Illinois Senior Championships - copi venue
400 Individual Medley	SCY	4:24.49	AAAA	2025-01-01	2025 Speedo Winter Junior Championships - West
50 Freestyle	LCM	27.78	AAA+0.49s to AAAA	2025-06-27	2025 MN AQJT Aquajets Summer Spectacular venue
100 Freestyle	LCM	59.54	AAA+0.65s to AAAA	2025-06-29	2025 MN AQJT Aquajets Summer Spectacular venue
200 Freestyle	LCM	2:06.86	AAAA	2026-06-13	2026 MN AQJT Aquajets Summer Spectacular venue
400 Freestyle	LCM	4:36.74	AAA+7.45s to AAAA	2025-06-29	2025 MN AQJT Aquajets Summer Spectacular venue
800 Freestyle	LCM	9:11.48	AAAA	2025-06-29	2025 MN AQJT Aquajets Summer Spectacular venue
1500 Freestyle	LCM	17:55.43	AAA+6.44s to AAAA	2024-07-21	2024 IL Swimming LC Age Group Championships venue
100 Backstroke	LCM	1:13.05	A+1.16s to AA	2024-06-01	2024 LSC Duel in the Pool venue
200 Backstroke	LCM	2:30.36	AA+2.77s to AAA	2024-06-22	2024 MN AQJT Aquajets Summer Spectacular venue
50 Breaststroke	LCM	35.18	AAAA	2026-06-13	2026 MN AQJT Aquajets Summer Spectacular venue
100 Breaststroke	LCM	1:14.70	AAA+0.31s to AAAA	2025-06-27	2025 MN AQJT Aquajets Summer Spectacular venue
200 Breaststroke	LCM	2:43.91	AAA+4.32s to AAAA	2026-06-14	2026 MN AQJT Aquajets Summer Spectacular venue
100 Butterfly	LCM	1:05.69	AAA+2.40s to AAAA	2026-06-13	2026 MN AQJT Aquajets Summer Spectacular venue
200 Individual Medley	LCM	2:22.11	AAAA	2025-06-27	2025 MN AQJT Aquajets Summer Spectacular venue
400 Individual Medley	LCM	5:06.00	AAA+0.01s to AAAA	2025-06-28	2025 MN AQJT Aquajets Summer Spectacular 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

Leg	Course	Time	Start	Relay	Date	Meet
100 Breaststroke	SCY	1:05.79	flying	400 Medley Relay (leg 2)	2026-03-07	2026 SC Illinois Senior Championships - copi

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

4932 points (5/6 events — incomplete)

Event	Time	Points
500 FR SCY	4:53.15	1080
200 BK SCY	2:07.59	867
200 BR SCY	2:24.19	905
200 IM SCY	2:02.17	1060
400 IM SCY	4:24.49	1020
200 FL SCY	—	0

IMR 15-16 · LCM

4602 points (5/5 events)

Event	Time	Points
200 FR LCM	2:06.86	1000
100 BK LCM	1:13.05	710
100 BR LCM	1:14.70	971
100 FL LCM	1:05.69	894
200 IM LCM	2:22.11	1027

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

PR splits

100 Freestyle SCY 55.32

26.27

29.05

Front half 26.27s · back half 29.05s

500 Freestyle SCY 4:53.15

26.04

28.91

30.23

30.12

29.83

29.94

29.85

29.98

29.55

28.70

Front half 145.13s · back half 148.02s

1000 Freestyle SCY 10:01.00

26.49

29.27

29.92

30.12

30.15

30.23

30.53

30.87

30.86

30.47

30.46

30.44

30.71

30.39

30.31

30.73

30.56

30.23

29.68

28.58

Front half 298.91s · back half 302.09s

200 Backstroke SCY 2:07.59

29.24

32.05

33.21

33.09

Front half 61.29s · back half 66.30s

100 Breaststroke SCY 1:03.32

29.75

33.57

Front half 29.75s · back half 33.57s

200 Breaststroke SCY 2:24.19

31.87

36.64

37.42

38.26

Front half 68.51s · back half 75.68s

200 Individual Medley SCY 2:02.17

27.16

31.12

35.37

28.52

Front half 58.28s · back half 63.89s

100 Freestyle LCM 59.54

28.64

30.90

Front half 28.64s · back half 30.90s

200 Freestyle LCM 2:06.86

29.30

32.43

33.15

31.98

Front half 61.73s · back half 65.13s

400 Freestyle LCM 4:36.74

31.38

66.48

101.16

136.52

171.24

206.54

241.41

276.74

310.96

346.31

380.80

416.01

449.83

485.18

518.34

276.74

800 Freestyle LCM 9:11.48

31.38

35.10

34.68

35.36

34.72

35.30

34.87

35.33

34.22

35.35

34.49

35.21

33.82

35.35

33.16

33.14

Front half 276.74s · back half 274.74s

1500 Freestyle LCM 17:55.43

27.51

40.77

36.04

36.44

36.08

36.63

35.98

36.30

35.62

36.11

35.82

36.00

35.89

35.99

35.91

36.11

35.90

36.44

35.99

36.06

36.00

36.17

35.97

36.05

36.16

36.22

35.90

36.34

34.79

34.24

Front half 537.09s · back half 538.34s

100 Backstroke LCM 1:13.05

34.96

38.09

Front half 34.96s · back half 38.09s

200 Backstroke LCM 2:30.36

35.35

38.02

39.23

37.76

Front half 73.37s · back half 76.99s

100 Breaststroke LCM 1:14.70

35.03

39.67

Front half 35.03s · back half 39.67s

200 Breaststroke LCM 2:43.91

36.61

41.43

43.48

42.39

Front half 78.04s · back half 85.87s

100 Butterfly LCM 1:05.69

30.50

35.19

Front half 30.50s · back half 35.19s

200 Individual Medley LCM 2:22.11

30.52

36.22

42.08

33.29

Front half 66.74s · back half 75.37s

400 Individual Medley LCM 5:06.00

32.44

37.61

40.15

40.11

42.45

45.02

35.23

32.99

Front half 150.31s · back half 155.69s

Reaction time

fastest 0.55s average 0.607s slowest 0.67s 3 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.

100 Freestyle SCY 55.32 1 swim

500 Freestyle SCY 4:53.15 6 swims

1000 Freestyle SCY 10:01.00 4 swims

1650 Freestyle SCY 16:56.04 6 swims

200 Backstroke SCY 2:07.59 1 swim

100 Breaststroke SCY 1:03.32 9 swims

200 Breaststroke SCY 2:24.19 2 swims

200 Individual Medley SCY 2:02.17 9 swims

400 Individual Medley SCY 4:24.49 6 swims

50 Freestyle LCM 27.78 2 swims

100 Freestyle LCM 59.54 4 swims

200 Freestyle LCM 2:06.86 6 swims

400 Freestyle LCM 4:36.74 3 swims

800 Freestyle LCM 9:11.48 4 swims

1500 Freestyle LCM 17:55.43 2 swims

100 Backstroke LCM 1:13.05 1 swim

200 Backstroke LCM 2:30.36 1 swim

50 Breaststroke LCM 35.18 1 swim

100 Breaststroke LCM 1:14.70 9 swims

200 Breaststroke LCM 2:43.91 2 swims

100 Butterfly LCM 1:05.69 2 swims

200 Individual Medley LCM 2:22.11 11 swims

400 Individual Medley LCM 5:06.00 5 swims