Logan Zheng

Mage 12MAMDVAMAC

363 plausible swims · 47 meets · 2021-12-11 → 2026-06-30

Personal records

Event	Course	Best	Cut	Date	Meet
25 Freestyle	SCY	17.30		2022-12-10	2022 LBA Blizzard Buster Meet venue
50 Freestyle	SCY	30.42	BB+2.33s to A	2025-12-13	2025 NBAC 51st Annual Christmas Invitational venue
100 Freestyle	SCY	1:05.87	BB+4.58s to A	2025-12-12	2025 NBAC 51st Annual Christmas Invitational venue
200 Freestyle	SCY	2:21.06	BB+7.37s to A	2026-01-11	EST SPEEDO Mid-Winter Invite fast pool
500 Freestyle	SCY	6:09.19	BB+9.20s to A	2025-12-11	2025 NBAC 51st Annual Christmas Invitational venue
25 Backstroke	SCY	20.17		2022-12-11	2022 LBA Blizzard Buster Meet venue
50 Backstroke	SCY	33.58	BB+0.89s to A	2026-01-31	2026 ASC Senior Meet venue
100 Backstroke	SCY	1:12.21	BB+2.92s to A	2026-01-10	EST SPEEDO Mid-Winter Invite fast pool
200 Backstroke	SCY	2:34.52	BB+6.33s to A	2026-03-06	2026 MD LSC 14 & U Championships venue
25 Breaststroke	SCY	24.04		2023-01-28	2023 MAC Robert J. Hogan Memorial Mini Meet slow pool
50 Breaststroke	SCY	37.77	BB+1.08s to A	2026-03-06	2026 MD LSC 14 & U Championships venue
100 Breaststroke	SCY	1:21.55	BB+3.16s to A	2026-01-31	2026 ASC Senior Meet venue
200 Breaststroke	SCY	2:51.00	BB+2.61s to A	2026-02-01	2026 ASC Senior Meet venue
25 Butterfly	SCY	20.97		2022-11-06	2022 Bridget Vache Memorial MAC Fall Frenzy slow pool
50 Butterfly	SCY	35.13	B+0.94s to BB	2024-12-13	2024 NBAC 50th Annual Christmas Invitational venue
100 Butterfly	SCY	1:10.94	BB+1.65s to A	2024-01-27	2024 MAC Robert J. Hogan Memorial Mini Meet
100 Individual Medley	SCY	1:14.94	BB+4.95s to A	2026-01-09	EST SPEEDO Mid-Winter Invite
200 Individual Medley	SCY	2:38.44	BB+6.15s to A	2026-01-31	2026 ASC Senior Meet venue
400 Individual Medley	SCY	5:28.79	BB+5.30s to A	2026-01-09	EST SPEEDO Mid-Winter Invite fast pool
50 Freestyle	LCM	34.94	B+0.15s to BB	2026-06-08	Chargers Mid Season Long Course Invitational
100 Freestyle	LCM	1:13.13	BB+2.74s to A	2026-06-30	Chargers Mid Season Long Course Invitational
200 Freestyle	LCM	2:41.71	BB+8.12s to A	2026-06-30	Chargers Mid Season Long Course Invitational
400 Freestyle	LCM	5:33.36	BB+6.67s to A	2026-06-08	Chargers Mid Season Long Course Invitational
50 Backstroke	LCM	38.68	BB+0.89s to A	2026-06-08	Chargers Mid Season Long Course Invitational
100 Backstroke	LCM	1:23.45	BB+1.56s to A	2026-06-08	Chargers Mid Season Long Course Invitational
200 Backstroke	LCM	2:57.56	BB+3.57s to A	2026-06-30	Chargers Mid Season Long Course Invitational
50 Breaststroke	LCM	44.22	BB+2.23s to A	2026-06-30	Chargers Mid Season Long Course Invitational
100 Breaststroke	LCM	1:34.47	BB+3.18s to A	2026-06-08	Chargers Mid Season Long Course Invitational
200 Breaststroke	LCM	3:17.06	BB+1.67s to A	2026-06-30	Chargers Mid Season Long Course Invitational
50 Butterfly	LCM	39.76	B+1.07s to BB	2025-07-25	2025 Maryland Long Course Junior Championship venue
100 Butterfly	LCM	1:33.91	B+6.62s to BB	2025-06-30	Chargers Mid Season Long Course Invitational
200 Individual Medley	LCM	2:58.38	BB+4.19s to A	2026-06-08	Chargers Mid Season Long Course Invitational

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

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	31.84	flat	200 Free Relay	2024-12-13	2024 NBAC 50th Annual Christmas Invitational
50 Freestyle	SCY	31.57	flying	200 Free Relay (leg 3)	2025-03-15	2025 MD LSC / NBAC JR Champs - Site 1
50 Freestyle	SCY	31.33	flying	200 Medley Relay (leg 4)	2025-03-16	2025 MD LSC / NBAC JR Champs - Site 1
100 Freestyle	SCY	1:11.97	flying	400 Free Relay (leg 2)	2024-03-03	2024 MD LSC 14 & U Championships
50 Backstroke	SCY	37.10	flat	200 Medley Relay	2023-12-16	2023 NBAC Christmas Invitational
50 Breaststroke	SCY	39.36	flying	200 Medley Relay (leg 2)	2024-12-14	2024 NBAC 50th Annual Christmas Invitational
100 Breaststroke	SCY	1:33.45	flying	400 Medley Relay (leg 2)	2024-03-01	2024 MD LSC 14 & U Championships
50 Butterfly	SCY	50.37	flying	200 Medley Relay (leg 3)	2023-03-25	2023 Maryland 9-10 B Championship Meet
50 Freestyle	LCM	36.14	flying	200 Free Relay (leg 2)	2024-08-01	2024 MD LSC LC Championships
50 Backstroke	LCM	43.54	flat	200 Medley Relay	2024-07-07	2024 NBAC Mid Summer Classic
50 Breaststroke	LCM	48.06	flying	200 Medley Relay (leg 2)	2024-08-02	2024 MD LSC LC 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 11-12 · SCY

2910 points (5/5 events)

Event	Time	Points
500 FR SCY	6:09.19	621
100 BK SCY	1:12.21	559
100 BR SCY	1:21.55	574
100 FL SCY	1:10.94	577
200 IM SCY	2:38.44	579

IMR 11-12 · LCM

2757 points (5/5 events)

Event	Time	Points
200 FR LCM	2:41.71	573
50 BK LCM	38.68	598
50 BR LCM	44.22	543
50 FL LCM	39.76	442
200 IM LCM	2:58.38	601

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

PR splits

100 Freestyle SCY 1:05.87

31.47

34.40

Front half 31.47s · back half 34.40s

200 Freestyle SCY 2:21.06

31.86

35.40

36.73

37.07

Front half 67.26s · back half 73.80s

500 Freestyle SCY 6:09.19

32.48

36.40

37.36

37.63

37.89

38.16

37.59

37.68

37.30

36.70

Front half 181.76s · back half 187.43s

100 Backstroke SCY 1:12.21

35.69

36.52

Front half 35.69s · back half 36.52s

200 Backstroke SCY 2:34.52

37.47

39.34

39.06

38.65

Front half 76.81s · back half 77.71s

100 Breaststroke SCY 1:21.55

38.23

43.32

Front half 38.23s · back half 43.32s

200 Breaststroke SCY 2:51.00

39.39

42.52

43.84

45.25

Front half 81.91s · back half 89.09s

100 Individual Medley SCY 1:14.94 split/total mismatch

35.11

4.72

Front half 35.11s · back half 39.83s

200 Individual Medley SCY 2:38.44

36.81

38.59

46.38

36.66

Front half 75.40s · back half 83.04s

400 Individual Medley SCY 5:28.79

36.79

292.00

Front half 36.79s · back half 292.00s

100 Freestyle LCM 1:13.13 split/total mismatch

35.24

2.65

Front half 35.24s · back half 37.89s

200 Freestyle LCM 2:41.71 split/total mismatch

36.54

41.14

42.15

41.88

400 Freestyle LCM 5:33.36 split/total mismatch

37.86

41.27

42.45

42.68

42.92

42.82

42.52

40.84

100 Backstroke LCM 1:23.45 split/total mismatch

40.62

2.21

Front half 40.62s · back half 42.83s

200 Backstroke LCM 2:57.56 split/total mismatch

41.31

45.01

46.40

44.84

100 Breaststroke LCM 1:34.47 split/total mismatch

44.50

5.47

Front half 44.50s · back half 49.97s

200 Breaststroke LCM 3:17.06 split/total mismatch

44.61

50.78

49.99

51.68

200 Individual Medley LCM 2:58.38 split/total mismatch

41.01

43.90

51.77

41.70

Progression

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

25 Freestyle SCY 17.30 5 swims

50 Freestyle SCY 30.42 18 swims

100 Freestyle SCY 1:05.87 25 swims

200 Freestyle SCY 2:21.06 17 swims

500 Freestyle SCY 6:09.19 5 swims

25 Backstroke SCY 20.17 3 swims

50 Backstroke SCY 33.58 21 swims

100 Backstroke SCY 1:12.21 17 swims

200 Backstroke SCY 2:34.52 6 swims

25 Breaststroke SCY 24.04 5 swims

50 Breaststroke SCY 37.77 25 swims

100 Breaststroke SCY 1:21.55 12 swims

200 Breaststroke SCY 2:51.00 6 swims

25 Butterfly SCY 20.97 4 swims

50 Butterfly SCY 35.13 15 swims

100 Butterfly SCY 1:10.94 14 swims

100 Individual Medley SCY 1:14.94 22 swims

200 Individual Medley SCY 2:38.44 13 swims

400 Individual Medley SCY 5:28.79 1 swim

50 Freestyle LCM 34.94 11 swims

100 Freestyle LCM 1:13.13 9 swims

200 Freestyle LCM 2:41.71 12 swims

400 Freestyle LCM 5:33.36 10 swims

50 Backstroke LCM 38.68 13 swims

100 Backstroke LCM 1:23.45 15 swims

200 Backstroke LCM 2:57.56 6 swims

50 Breaststroke LCM 44.22 11 swims

100 Breaststroke LCM 1:34.47 14 swims

200 Breaststroke LCM 3:17.06 7 swims

50 Butterfly LCM 39.76 10 swims

100 Butterfly LCM 1:33.91 6 swims

200 Individual Medley LCM 2:58.38 5 swims