swimstats

Wei Cheng

Mage 12CAMVN

77 plausible swims · 13 meets · 2024-12-14 → 2026-07-25

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 28.94 BB+0.85s to A·+5.75s to Sectionals 2026-03-07 2026 OC RIPT BB MIN Spring Max Championshipsvenue
100 Freestyle SCY 1:04.51 BB+3.22s to A·+13.52s to Sectionals 2025-12-14 2025 CA SCS/RAA WAGvenue
200 Freestyle SCY 2:27.92 B+3.03s to BB·+36.13s to Sectionals 2025-11-09 2025 CA OC November ABC Meetvenue
500 Freestyle SCY 6:27.89 BB+27.90s to A·+85.20s to Sectionals 2025-11-21 2025 CA MVN Turkey Classicvenue
1000 Freestyle SCY 13:11.90 BB+34.61s to A·+157.91s to Sectionals 2025-11-24 2025 CA MVN Turkey Classicvenue
1650 Freestyle SCY 22:41.34 BB+102.55s to A·+304.45s to Sectionals 2025-11-24 2025 CA MVN Turkey Classicvenue
50 Backstroke SCY 36.08 B+0.49s to BB·+12.39s to Futures 2025-11-08 2025 CA OC November ABC Meetvenue
100 Backstroke SCY 1:17.29 B+1.60s to BB·+21.80s to Sectionals 2025-11-09 2025 CA OC November ABC Meetvenue
50 Breaststroke SCY 36.68 A+1.69s to AA·+10.39s to Futures 2026-03-08 2026 OC RIPT BB MIN Spring Max Championshipsvenue
100 Breaststroke SCY 1:21.48 BB+3.09s to A·+18.29s to Sectionals 2026-03-08 2026 OC RIPT BB MIN Spring Max Championshipsvenue
200 Breaststroke SCY 3:00.32 BB+11.93s to A·+43.03s to Sectionals 2025-11-22 2025 CA MVN Turkey Classicvenue
50 Butterfly SCY 31.28 BB+0.09s to A·+8.39s to Futures 2026-03-08 2026 OC RIPT BB MIN Spring Max Championshipsvenue
100 Individual Medley SCY 1:15.84 BB+5.85s to A 2025-11-09 2025 CA OC November ABC Meetvenue
200 Individual Medley SCY 2:35.92 BB+3.63s to A·+31.93s to Sectionals 2026-03-07 2026 OC RIPT BB MIN Spring Max Championshipsvenue
400 Individual Medley SCY 5:44.98 BB+21.49s to A·+80.29s to Sectionals 2025-11-08 2025 CA OC November ABC Meetvenue
50 Freestyle LCM 34.35 BB+2.26s to A·+7.36s to Sectionals 2026-04-12 2026 MVN April Intrasquadvenue
100 Freestyle LCM 1:14.66 BB+4.27s to A·+15.67s to Sectionals 2026-05-03 2026 CA MVN May BB Min LCMvenue
200 Freestyle LCM 2:40.61 BB+7.02s to A·+31.92s to Sectionals 2026-06-11 2026 SCS June AG Invitevenue
400 Freestyle LCM 5:50.15 BB+23.46s to A·+75.76s to Sectionals 2026-05-01 2026 CA MVN May BB Min LCMvenue
800 Freestyle LCM 12:02.73 BB+34.84s to A·+152.74s to Sectionals 2026-05-30 MVN May LCM Intrasquadvenue
50 Backstroke LCM 39.72 BB+1.93s to A·+11.83s to Futures 2026-05-31 MVN May LCM Intrasquadvenue
100 Backstroke LCM 1:29.41 BB+7.52s to A·+24.22s to Sectionals 2026-05-03 2026 CA MVN May BB Min LCMvenue
200 Backstroke LCM 3:06.65 BB+12.66s to A·+45.16s to Sectionals 2026-04-11 2026 MVN April Intrasquadvenue
50 Breaststroke LCM 41.59 A+1.60s to AA·+10.70s to Futures 2026-06-14 2026 SCS June AG Invitevenue
100 Breaststroke LCM 1:31.91 BB+0.62s to A·+18.21s to Sectionals 2026-06-13 2026 SCS June AG Invitevenue
200 Breaststroke LCM 3:29.35 BB+13.96s to A·+48.47s to Sectionals 2026-04-12 2026 MVN April Intrasquadvenue
50 Butterfly LCM 35.48 BB+0.19s to A·+9.19s to Futures 2026-06-12 2026 SCS June AG Invitevenue
100 Butterfly LCM 1:29.33 B+2.04s to BB·+26.24s to Sectionals 2026-05-30 MVN May LCM Intrasquadvenue
200 Individual Medley LCM 3:03.62 BB+9.43s to A·+38.93s to Sectionals 2026-05-01 2026 CA MVN May BB Min LCMvenue
400 Individual Medley LCM 6:22.23 BB+6.84s to A·+74.44s to Sectionals 2026-05-31 MVN May LCM Intrasquadvenue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.

National cuts (Sectionals → Nationals) are the current-season meet qualifying times for the swimmer's zone and age group; ✓ marks the hardest cut already achieved.

Fastest relay legs

LegCourseTime StartRelayDateMeet
50 Freestyle SCY 32.34 flying 200 Medley Relay (leg 4) 2024-12-15 2024 CA RAA/SCS WAG
50 Freestyle SCY 29.91 flying 200 Free Relay (leg 4) 2026-02-15 2026 MVN Lunar AAPI Festival
100 Freestyle SCY 1:10.33 flat 400 Free Relay 2025-07-19 2025 CA GOLD OC Summer Championhip SCY
50 Breaststroke SCY 36.49 flying 200 Medley Relay (leg 2) 2026-03-07 2026 OC RIPT BB MIN Spring Max Championships
50 Butterfly SCY 32.82 flying 200 Medley Relay (leg 3) 2025-12-14 2025 CA SCS/RAA WAG
50 Freestyle LCM 34.18 flat 200 Free Relay 2026-04-11 2026 MVN April Intrasquad
50 Freestyle LCM 31.82 flying 200 Free Relay (leg 4) 2026-06-13 2026 SCS June AG Invite
100 Freestyle LCM 1:12.29 flying 400 Free Relay (leg 2) 2026-07-19 2026 SCS ELITE Age Group LCM Championship
50 Backstroke LCM 40.89 flat 200 Medley Relay 2026-04-12 2026 MVN April Intrasquad
50 Butterfly LCM 35.81 flying 200 Medley Relay (leg 3) 2026-06-12 2026 SCS June AG 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 11-12 · LCM

2653 points (5/5 events)

EventTime Points
400 FR LCM 5:50.15 544
100 BK LCM 1:29.41 487
100 BR LCM 1:31.91 634
100 FL LCM 1:29.33 437
200 IM LCM 3:03.62 551

IMR 11-12 · LCM

2963 points (5/5 events)

EventTime Points
200 FR LCM 2:40.61 585
50 BK LCM 39.72 552
50 BR LCM 41.59 653
50 FL LCM 35.48 622
200 IM LCM 3:03.62 551

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

PR splits

100 Freestyle SCY 1:04.51

31.35
33.16

Front half 31.35s · back half 33.16s

200 Freestyle SCY 2:27.92

34.50
38.30
38.56
36.56

Front half 72.80s · back half 75.12s

500 Freestyle SCY 6:27.89

33.65
38.67
38.70
40.26
39.96
40.40
40.78
40.27
38.95
36.25

Front half 191.24s · back half 196.65s

1650 Freestyle SCY 22:41.34

33.47
38.30
39.36
39.70
39.20
39.71
39.63
39.27
39.99
39.84
39.45
39.67
40.00
39.82
40.84
40.64
41.10
41.28
41.14
39.49
39.85
41.20
41.03
40.55
41.61
40.90
39.82
40.93
39.07
40.90
39.19
34.70
89.69

100 Backstroke SCY 1:17.29

37.31
39.98

Front half 37.31s · back half 39.98s

100 Breaststroke SCY 1:21.48

38.15
43.33

Front half 38.15s · back half 43.33s

200 Breaststroke SCY 3:00.32

40.21
46.94
47.84
45.33

Front half 87.15s · back half 93.17s

100 Individual Medley SCY 1:15.84

34.34
41.50

Front half 34.34s · back half 41.50s

200 Individual Medley SCY 2:35.92

33.46
42.23
44.46
35.77

Front half 75.69s · back half 80.23s

400 Individual Medley SCY 5:44.98

37.79
45.64
45.49
42.55
49.64
46.68
40.69
36.50

Front half 171.47s · back half 173.51s

100 Freestyle LCM 1:14.66

35.34
39.32

Front half 35.34s · back half 39.32s

200 Freestyle LCM 2:40.61

36.37
40.87
41.98
41.39

Front half 77.24s · back half 83.37s

400 Freestyle LCM 5:50.15

38.51
44.29
44.67
44.97
45.04
46.04
45.03
41.60

Front half 172.44s · back half 177.71s

800 Freestyle LCM 12:02.73

39.08
44.19
45.19
45.45
45.68
45.59
47.02
45.37
46.09
46.23
37.83
54.19
41.43
51.22
37.41
50.76

Front half 357.57s · back half 365.16s

100 Backstroke LCM 1:29.41

43.10
46.31

Front half 43.10s · back half 46.31s

200 Backstroke LCM 3:06.65 RT 0.76s

44.53
47.23
48.01
46.88

Front half 91.76s · back half 94.89s

100 Breaststroke LCM 1:31.91

42.72
49.19

Front half 42.72s · back half 49.19s

200 Breaststroke LCM 3:29.35

47.85
54.65
53.60
53.25

Front half 102.50s · back half 106.85s

100 Butterfly LCM 1:29.33

41.23
48.10

Front half 41.23s · back half 48.10s

200 Individual Medley LCM 3:03.62

39.08
48.58
53.48
42.48

Front half 87.66s · back half 95.96s

400 Individual Medley LCM 6:22.23

40.73
49.16
52.29
48.96
53.18
52.24
45.68
39.99

Front half 191.14s · back half 191.09s

Reaction time

fastest 0.76s average 0.760s slowest 0.76s 1 electronic start

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.

Swim history

Every recorded swim, newest first
DateEventCourse TimeAge RoundMeet

Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.

Progression

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

50 Freestyle SCY 28.94 3 swims
100 Freestyle SCY 1:04.51 5 swims
200 Freestyle SCY 2:27.92 3 swims
500 Freestyle SCY 6:27.89 1 swim
1000 Freestyle SCY 13:11.90 1 swim
1650 Freestyle SCY 22:41.34 1 swim
50 Backstroke SCY 36.08 3 swims
100 Backstroke SCY 1:17.29 2 swims
50 Breaststroke SCY 36.68 3 swims
100 Breaststroke SCY 1:21.48 4 swims
200 Breaststroke SCY 3:00.32 1 swim
50 Butterfly SCY 31.28 4 swims
100 Individual Medley SCY 1:15.84 3 swims
200 Individual Medley SCY 2:35.92 5 swims
400 Individual Medley SCY 5:44.98 1 swim
50 Freestyle LCM 34.35 2 swims
100 Freestyle LCM 1:14.66 4 swims
200 Freestyle LCM 2:40.61 3 swims
400 Freestyle LCM 5:50.15 1 swim
800 Freestyle LCM 12:02.73 1 swim
50 Backstroke LCM 39.72 4 swims
100 Backstroke LCM 1:29.41 1 swim
200 Backstroke LCM 3:06.65 1 swim
50 Breaststroke LCM 41.59 6 swims
100 Breaststroke LCM 1:31.91 4 swims
200 Breaststroke LCM 3:29.35 1 swim
50 Butterfly LCM 35.48 5 swims
100 Butterfly LCM 1:29.33 2 swims
200 Individual Medley LCM 3:03.62 1 swim
400 Individual Medley LCM 6:22.23 1 swim