Jerry Zeng

Mage 15MIOLY

88 plausible swims · 15 meets · 2024-10-18 → 2026-05-17

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 25.42 BB+0.73s to A 2026-02-08 2026 Michigan Open venue
100 Freestyle SCY 55.82 BB+1.53s to A 2026-02-07 2026 Michigan Open venue
200 Freestyle SCY 2:04.44 BB+5.85s to A 2026-02-08 2026 Michigan Open venue
500 Freestyle SCY 5:25.50 BB+2.91s to A 2026-03-06 2026 MCSA Senior Cup Championships venue
100 Backstroke SCY 1:05.22 B+0.73s to BB 2025-10-19 2025 OLY Fall Classic venue
200 Backstroke SCY 2:34.08 +2.29s to B 2025-08-04 2025 MCSA Summer Senior Cup Championships venue
50 Breaststroke SCY 37.51 +0.02s to B 2025-01-12 2025 PA Closed Invitational venue
100 Breaststroke SCY 1:06.01 A+1.42s to AA 2026-03-20 2026 SCY MAGS Championship Meet fast pool
200 Breaststroke SCY 2:22.50 A+1.61s to AA 2026-03-21 2026 SCY MAGS Championship Meet fast pool
100 Butterfly SCY 1:06.44 B+2.65s to BB 2026-03-07 2026 MCSA Senior Cup Championships venue
200 Butterfly SCY 2:54.04 +20.05s to B 2024-12-14 OLY Swimming Holiday Bowl venue
100 Individual Medley SCY 1:05.29 2025-05-18 2025 USSC Spring Into Summer venue
200 Individual Medley SCY 2:12.03 A+5.34s to AA 2026-03-08 2026 MCSA Senior Cup Championships venue
400 Individual Medley SCY 5:34.88 +3.29s to B 2024-12-13 OLY Swimming Holiday Bowl venue
50 Freestyle LCM 28.77 BB+0.18s to A 2026-05-17 2026 CW Mega May Showers venue
100 Freestyle LCM 1:07.07 BB+4.78s to A 2025-06-28 2025 OLY Summer Classic venue
200 Freestyle LCM 2:20.03 BB+2.84s to A 2026-05-17 2026 CW Mega May Showers venue
100 Backstroke LCM 1:19.94 B+4.55s to BB 2025-07-12 2025 Grizzly Summer Sizzler venue
100 Breaststroke LCM 1:21.39 BB+3.00s to A 2025-07-12 2025 Grizzly Summer Sizzler venue
200 Breaststroke LCM 2:47.23 A+3.04s to AA 2026-05-17 2026 CW Mega May Showers venue
200 Individual Medley LCM 2:46.50 B+0.51s to BB 2025-06-28 2025 OLY Summer Classic venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 15.

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
100 Breaststroke SCY 1:01.33 flying 400 Medley Relay (leg 2) 2026-03-21 2026 SCY MAGS Championship Meet

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

2936 points (6/6 events)

EventTime Points
500 FR SCY 5:25.50 611
200 BK SCY 2:34.08 370
200 BR SCY 2:22.50 679
200 FL SCY 2:54.04 271
200 IM SCY 2:12.03 630
400 IM SCY 5:34.88 375

IMR 15-16 · SCY

2752 points (5/5 events)

EventTime Points
200 FR SCY 2:04.44 550
100 BK SCY 1:05.22 469
100 BR SCY 1:06.01 667
100 FL SCY 1:06.44 436
200 IM SCY 2:12.03 630

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

PR splits

100 Freestyle SCY 55.82

26.89
28.93

Front half 26.89s · back half 28.93s

200 Freestyle SCY 2:04.44

28.45
31.85
32.32
31.82

Front half 60.30s · back half 64.14s

500 Freestyle SCY 5:25.50

27.93
30.87
32.15
32.39
33.16
34.11
34.43
34.53
33.96
31.97

Front half 156.50s · back half 169.00s

100 Backstroke SCY 1:05.22

31.89
33.33

Front half 31.89s · back half 33.33s

200 Backstroke SCY 2:34.08

36.33
39.29
39.35
39.11

Front half 75.62s · back half 78.46s

100 Breaststroke SCY 1:06.01

31.19
34.82

Front half 31.19s · back half 34.82s

200 Breaststroke SCY 2:22.50

31.82
35.39
37.42
37.87

Front half 67.21s · back half 75.29s

100 Butterfly SCY 1:06.44

30.62
35.82

Front half 30.62s · back half 35.82s

200 Butterfly SCY 2:54.04

36.24
44.08
46.97
46.75

Front half 80.32s · back half 93.72s

100 Individual Medley SCY 1:05.29

31.06
34.23

Front half 31.06s · back half 34.23s

200 Individual Medley SCY 2:12.03

29.40
34.57
35.97
32.09

Front half 63.97s · back half 68.06s

400 Individual Medley SCY 5:34.88

37.74
46.83
41.40
41.12
43.79
44.83
40.43
38.74

Front half 167.09s · back half 167.79s

100 Freestyle LCM 1:07.07

33.14
33.93

Front half 33.14s · back half 33.93s

200 Freestyle LCM 2:20.03

32.26
36.20
37.07
34.50

Front half 68.46s · back half 71.57s

100 Backstroke LCM 1:19.94

38.19
41.75

Front half 38.19s · back half 41.75s

100 Breaststroke LCM 1:21.39

38.52
42.87

Front half 38.52s · back half 42.87s

200 Breaststroke LCM 2:47.23

39.35
43.52
42.72
41.64

Front half 82.87s · back half 84.36s

200 Individual Medley LCM 2:46.50

38.55
44.19
46.69
37.07

Front half 82.74s · back half 83.76s

Progression

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

50 Freestyle SCY 25.42 10 swims
100 Freestyle SCY 55.82 8 swims
200 Freestyle SCY 2:04.44 3 swims
500 Freestyle SCY 5:25.50 2 swims
100 Backstroke SCY 1:05.22 5 swims
200 Backstroke SCY 2:34.08 2 swims
50 Breaststroke SCY 37.51 1 swim
100 Breaststroke SCY 1:06.01 14 swims
200 Breaststroke SCY 2:22.50 11 swims
100 Butterfly SCY 1:06.44 3 swims
200 Butterfly SCY 2:54.04 1 swim
100 Individual Medley SCY 1:05.29 3 swims
200 Individual Medley SCY 2:12.03 9 swims
400 Individual Medley SCY 5:34.88 1 swim
50 Freestyle LCM 28.77 3 swims
100 Freestyle LCM 1:07.07 2 swims
200 Freestyle LCM 2:20.03 3 swims
100 Backstroke LCM 1:19.94 1 swim
100 Breaststroke LCM 1:21.39 2 swims
200 Breaststroke LCM 2:47.23 3 swims
200 Individual Medley LCM 2:46.50 1 swim