Jayden Cheng

Mage 10CABREA

163 plausible swims · 23 meets · 2024-07-26 → 2026-07-26

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 29.30 AA+0.51s to AAA·+6.11s to Sectionals 2025-12-07 2025 CA STOP December ABC Meetvenue
100 Freestyle SCY 1:02.35 AAA+1.26s to AAAA·+11.36s to Sectionals 2026-02-01 2026 AZOT H/F BB MIN Leaderboard Invitationalvenue
200 Freestyle SCY 2:12.55 AAAA·+20.76s to Sectionals 2026-02-13 2026 MVN Lunar AAPI Festivalvenue
500 Freestyle SCY 6:04.55 AAA+11.36s to AAAA·+61.86s to Sectionals 2025-09-20 2025 CA STOP Back To School Invitevenue
50 Backstroke SCY 33.09 AAA+0.70s to AAAA·+9.40s to Futures 2026-03-13 2026 SCS Spring Age Group Champs @ RMDA - copvenue
100 Backstroke SCY 1:12.16 AAA+2.87s to AAAA·+16.67s to Sectionals 2026-02-21 CA 2026 AAA February ABC SC Meetvenue
50 Breaststroke SCY 37.66 AAA+1.27s to AAAA·+11.37s to Futures 2026-02-13 2026 MVN Lunar AAPI Festivalvenue
100 Breaststroke SCY 1:19.12 AAAA·+15.93s to Sectionals 2026-03-13 2026 SCS Spring Age Group Champs @ RMDA - copvenue
50 Butterfly SCY 30.24 AAAA·+7.35s to Futures 2026-03-15 2026 SCS Spring Age Group Champs @ RMDA - copvenue
100 Butterfly SCY 1:08.45 AAAA·+13.26s to Sectionals 2026-01-31 2026 AZOT H/F BB MIN Leaderboard Invitationalvenue
100 Individual Medley SCY 1:08.96 AAAA 2026-03-14 2026 SCS Spring Age Group Champs @ RMDA - copvenue
200 Individual Medley SCY 2:28.18 AAAA·+24.19s to Sectionals 2026-03-15 2026 SCS Spring Age Group Champs @ RMDA - copvenue
400 Individual Medley SCY 5:24.48 +59.79s to Sectionals 2025-11-09 Orange Committee's November ABC Meet SOCALvenue
50 Freestyle LCM 33.50 AA+0.51s to AAA·+6.51s to Sectionals 2026-05-23 LVSC Memorial Day Invite 2026venue
100 Freestyle LCM 1:12.48 AAA+2.69s to AAAA·+13.49s to Sectionals 2026-05-03 2026 CA MVN May BB Min LCMvenue
200 Freestyle LCM 2:33.24 AAA+1.25s to AAAA·+24.55s to Sectionals 2026-04-12 2026 FAST Orange Committee April BB Min Meetvenue
400 Freestyle LCM 5:27.35 AAA+6.06s to AAAA·+52.96s to Sectionals 2025-07-17 2025 SCS 14-Under Elite A/G Champs at MVNvenue
50 Backstroke LCM 37.98 AAA+0.99s to AAAA·+10.09s to Futures 2026-07-26 2026 CA SCS Summer A/G Champs @ BREAfast pool
100 Backstroke LCM 1:20.62 AAA+0.63s to AAAA·+15.43s to Sectionals 2026-07-24 2026 CA SCS Summer A/G Champs @ BREAfast pool
50 Breaststroke LCM 43.97 AA+0.38s to AAA·+13.08s to Futures 2026-05-23 LVSC Memorial Day Invite 2026venue
100 Breaststroke LCM 1:33.81 AAA+1.92s to AAAA·+20.11s to Sectionals 2026-05-24 LVSC Memorial Day Invite 2026venue
50 Butterfly LCM 35.11 AAA+0.42s to AAAA·+8.82s to Futures 2026-05-24 LVSC Memorial Day Invite 2026venue
100 Butterfly LCM 1:16.95 AAAA·+13.86s to Sectionals 2026-07-24 2026 CA SCS Summer A/G Champs @ BREAfast pool
200 Individual Medley LCM 2:49.20 AAAA·+24.51s to Sectionals 2026-04-11 2026 FAST Orange Committee April BB Min Meetvenue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.

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.

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

LegCourseTime StartRelayDateMeet
50 Freestyle SCY 32.58 flat 200 Free Relay 2025-03-14 2025 SCS Spring Age Group Champs @ Armada
50 Freestyle SCY 27.41 flying 200 Free Relay (leg 3) 2026-03-13 2026 SCS Spring Age Group Champs @ RMDA - cop
50 Butterfly SCY 29.82 flying 200 Medley Relay (leg 3) 2026-03-14 2026 SCS Spring Age Group Champs @ RMDA - cop
50 Freestyle LCM 32.04 flying 200 Free Relay (leg 2) 2026-07-24 2026 CA SCS Summer A/G Champs @ BREA
50 Breaststroke LCM 43.28 flying 200 Medley Relay (leg 2) 2026-06-12 ARMADA-2026 SCS June AG Invite
50 Butterfly LCM 28.82 flying 200 Medley Relay (leg 3) 2026-07-24 2026 CA SCS Summer A/G Champs @ BREA

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 10 & under · LCM

5031 points (5/5 events)

EventTime Points
200 FR LCM 2:33.24 969
100 BK LCM 1:20.62 976
100 BR LCM 1:33.81 933
100 FL LCM 1:16.95 1100
200 IM LCM 2:49.20 1053

IMR 10 & under · SCY

4835 points (5/5 events)

EventTime Points
100 FR SCY 1:02.35 922
50 BK SCY 33.09 920
50 BR SCY 37.66 902
50 FL SCY 30.24 1055
100 IM SCY 1:08.96 1036

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

PR splits

100 Freestyle SCY 1:02.35

29.68
32.67

Front half 29.68s · back half 32.67s

200 Freestyle SCY 2:12.55

30.59
34.29
34.37
33.30

Front half 64.88s · back half 67.67s

500 Freestyle SCY 6:04.55

32.62
37.17
38.51
36.40
37.29
37.15
37.67
36.62
36.74
34.38

Front half 181.99s · back half 182.56s

100 Backstroke SCY 1:12.16

35.46
36.70

Front half 35.46s · back half 36.70s

100 Breaststroke SCY 1:19.12

37.05
42.07

Front half 37.05s · back half 42.07s

100 Butterfly SCY 1:08.45

32.96
35.49

Front half 32.96s · back half 35.49s

100 Individual Medley SCY 1:08.96

31.91
37.05

Front half 31.91s · back half 37.05s

200 Individual Medley SCY 2:28.18

31.63
39.01
43.58
33.96

Front half 70.64s · back half 77.54s

400 Individual Medley SCY 5:24.48

34.67
39.97
42.57
40.55
48.47
45.43
37.14
35.68

Front half 157.76s · back half 166.72s

100 Freestyle LCM 1:12.48

34.97
37.51

Front half 34.97s · back half 37.51s

200 Freestyle LCM 2:33.24

36.02
39.57
39.95
37.70

Front half 75.59s · back half 77.65s

400 Freestyle LCM 5:27.35

36.13
40.92
42.66
42.52
42.06
41.92
41.09
40.05

Front half 162.23s · back half 165.12s

100 Backstroke LCM 1:20.62 RT 0.75s

39.54
41.08

Front half 39.54s · back half 41.08s

100 Breaststroke LCM 1:33.81

44.60
49.21

Front half 44.60s · back half 49.21s

200 Individual Medley LCM 2:49.20

36.57
44.70
48.63
39.30

Front half 81.27s · back half 87.93s

Reaction time

fastest 0.34s average 0.670s slowest 0.81s 24 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.

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 29.30 4 swims
100 Freestyle SCY 1:02.35 7 swims
200 Freestyle SCY 2:12.55 12 swims
500 Freestyle SCY 6:04.55 1 swim
50 Backstroke SCY 33.09 9 swims
100 Backstroke SCY 1:12.16 4 swims
50 Breaststroke SCY 37.66 4 swims
100 Breaststroke SCY 1:19.12 7 swims
50 Butterfly SCY 30.24 10 swims
100 Butterfly SCY 1:08.45 6 swims
100 Individual Medley SCY 1:08.96 9 swims
200 Individual Medley SCY 2:28.18 11 swims
400 Individual Medley SCY 5:24.48 1 swim
50 Freestyle LCM 33.50 3 swims
100 Freestyle LCM 1:12.48 4 swims
200 Freestyle LCM 2:33.24 10 swims
400 Freestyle LCM 5:27.35 1 swim
50 Backstroke LCM 37.98 7 swims
100 Backstroke LCM 1:20.62 5 swims
50 Breaststroke LCM 43.97 4 swims
100 Breaststroke LCM 1:33.81 11 swims
50 Butterfly LCM 35.11 10 swims
100 Butterfly LCM 1:16.95 12 swims
200 Individual Medley LCM 2:49.20 10 swims