Christopher Zhao

Mage 13MAMDESTRAC

340 plausible swims · 61 meets · 2021-07-17 → 2026-06-21

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 28.53 BB+1.84s to A 2026-01-11 EST SPEEDO Mid-Winter Invite fast pool
100 Freestyle SCY 1:03.07 B+0.38s to BB 2026-01-09 EST SPEEDO Mid-Winter Invite
200 Freestyle SCY 2:20.79 B+3.60s to BB 2025-09-26 RAC First Splash 2025 venue
500 Freestyle SCY 6:24.09 B+13.90s to BB 2024-12-14 2024 ASC Holiday Invitational venue
25 Backstroke SCY 21.34 2021-12-18 2021 Clippers' Fast & the Flurriest Meet slow pool
50 Backstroke SCY 31.88 BB+1.49s to A 2026-01-11 EST SPEEDO Mid-Winter Invite fast pool
100 Backstroke SCY 1:08.18 BB+4.39s to A 2026-03-08 2026 MD LSC 14 & U Championships venue
200 Backstroke SCY 2:27.24 BB+8.25s to A 2026-02-15 EST vs NAAC Dual Meet venue
25 Breaststroke SCY 23.71 2021-12-18 2021 Clippers' Fast & the Flurriest Meet slow pool
50 Breaststroke SCY 37.95 B+0.36s to BB 2026-01-10 EST SPEEDO Mid-Winter Invite fast pool
100 Breaststroke SCY 1:26.75 +2.46s to B 2024-12-15 2024 ASC Holiday Invitational venue
200 Breaststroke SCY 3:03.86 +0.87s to B 2026-01-03 2026 LBA IMX Distance Challenge venue
25 Butterfly SCY 22.05 2021-12-18 2021 Clippers' Fast & the Flurriest Meet slow pool
50 Butterfly SCY 32.39 B+0.20s to BB 2026-02-15 EST vs NAAC Dual Meet venue
100 Butterfly SCY 1:13.88 +0.09s to B 2026-01-09 EST SPEEDO Mid-Winter Invite
100 Individual Medley SCY 1:11.49 2026-01-09 EST SPEEDO Mid-Winter Invite
200 Individual Medley SCY 2:39.15 B+6.26s to BB 2024-12-15 2024 ASC Holiday Invitational venue
50 Freestyle LCM 31.58 BB+0.99s to A 2026-06-20 2026 ASC Independence Meet fast pool
100 Freestyle LCM 1:08.37 BB+1.28s to A 2026-06-21 2026 ASC Independence Meet fast pool
200 Freestyle LCM 2:47.17 B+9.28s to BB 2025-06-22 2025 ASC Independence Meet fast pool
400 Freestyle LCM 5:29.03 BB+20.54s to A 2026-05-30 2026 Eagle Swim Team Speedo Sizzler venue
50 Backstroke LCM 37.62 BB+2.23s to A 2026-06-21 2026 ASC Independence Meet fast pool
100 Backstroke LCM 1:18.94 BB+4.05s to A 2026-01-01 est sizzler 2026 results 1
200 Backstroke LCM 2:49.74 BB+7.05s to A 2026-06-20 2026 ASC Independence Meet fast pool
50 Breaststroke LCM 42.86 B+0.27s to BB 2026-01-01 est sizzler 2026 results 1
100 Breaststroke LCM 1:29.54 BB+6.25s to A 2026-06-20 2026 ASC Independence Meet fast pool
200 Breaststroke LCM 3:28.45 B+10.36s to BB 2026-04-18 2026 EST Spring Into Long Course
50 Butterfly LCM 37.97 B+1.68s to BB 2026-01-01 est sizzler 2026 results 1
100 Butterfly LCM 1:25.86 +1.77s to B 2026-06-21 2026 ASC Independence Meet fast pool
200 Butterfly LCM 3:20.17 +11.28s to B 2026-04-19 2026 EST Spring Into Long Course venue
200 Individual Medley LCM 3:00.52 B+3.73s to BB 2026-04-18 2026 EST Spring Into Long Course venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.

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 35.34 flat 200 Free Relay 2023-11-18 2023 NBAC Thanksgiving Meet
50 Backstroke SCY 33.35 flat 200 Medley Relay 2026-03-05 2026 MD LSC 14 & U Championships
100 Backstroke SCY 1:09.75 flat 400 Medley Relay 2026-03-06 2026 MD LSC 14 & U Championships
50 Butterfly SCY 44.91 flying 200 Medley Relay (leg 3) 2023-11-19 2023 NBAC Thanksgiving Meet
100 Breaststroke LCM 1:32.50 flying 400 Medley Relay (leg 2) 2025-08-01 2025 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 13-14 · LCM

2148 points (5/6 events — incomplete)

EventTime Points
400 FR LCM 5:29.03 500
200 BK LCM 2:49.74 517
200 BR LCM 3:28.45 388
200 FL LCM 3:20.17 305
200 IM LCM 3:00.52 438
400 IM LCM 0

IMR 13-14 · LCM

2168 points (5/5 events)

EventTime Points
200 FR LCM 2:47.17 398
100 BK LCM 1:18.94 503
100 BR LCM 1:29.54 483
100 FL LCM 1:25.86 346
200 IM LCM 3:00.52 438

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

PR splits

100 Freestyle SCY 1:03.07 split/total mismatch

29.26
4.55

Front half 29.26s · back half 33.81s

200 Freestyle SCY 2:20.79

32.45
36.47
35.85
36.02

Front half 68.92s · back half 71.87s

500 Freestyle SCY 6:24.09

32.98
37.96
40.19
40.87
39.06
40.71
39.43
39.52
39.73
33.64

Front half 191.06s · back half 193.03s

100 Backstroke SCY 1:08.18

32.87
35.31

Front half 32.87s · back half 35.31s

200 Backstroke SCY 2:27.24

34.28
37.78
38.50
36.68

Front half 72.06s · back half 75.18s

100 Breaststroke SCY 1:26.75

41.65
45.10

Front half 41.65s · back half 45.10s

200 Breaststroke SCY 3:03.86

40.96
46.13
49.54
47.23

Front half 87.09s · back half 96.77s

100 Butterfly SCY 1:13.88 split/total mismatch

34.17
5.54

Front half 34.17s · back half 39.71s

100 Individual Medley SCY 1:11.49 split/total mismatch

32.80
5.89

Front half 32.80s · back half 38.69s

200 Individual Medley SCY 2:39.15

35.01
38.96
49.67
35.51

Front half 73.97s · back half 85.18s

100 Freestyle LCM 1:08.37

33.39
34.98

Front half 33.39s · back half 34.98s

200 Freestyle LCM 2:47.17

35.72
42.90
45.50
43.05

Front half 78.62s · back half 88.55s

400 Freestyle LCM 5:29.03

36.81
41.27
42.50
42.41
42.94
41.54
41.68
39.88

Front half 162.99s · back half 166.04s

100 Backstroke LCM 1:18.94 split/total mismatch

38.22
2.50

Front half 38.22s · back half 40.72s

200 Backstroke LCM 2:49.74

41.95
42.77
43.85
41.17

Front half 84.72s · back half 85.02s

100 Breaststroke LCM 1:29.54

42.34
47.20

Front half 42.34s · back half 47.20s

200 Breaststroke LCM 3:28.45 split/total mismatch

48.19
54.37
53.08
52.81

100 Butterfly LCM 1:25.86

40.74
45.12

Front half 40.74s · back half 45.12s

200 Butterfly LCM 3:20.17

42.04
51.51
52.31
54.31

Front half 93.55s · back half 106.62s

200 Individual Medley LCM 3:00.52

40.11
45.17
56.91
38.33

Front half 85.28s · back half 95.24s

Progression

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

50 Freestyle SCY 28.53 20 swims
100 Freestyle SCY 1:03.07 18 swims
200 Freestyle SCY 2:20.79 10 swims
500 Freestyle SCY 6:24.09 1 swim
25 Backstroke SCY 21.34 1 swim
50 Backstroke SCY 31.88 24 swims
100 Backstroke SCY 1:08.18 18 swims
200 Backstroke SCY 2:27.24 3 swims
25 Breaststroke SCY 23.71 1 swim
50 Breaststroke SCY 37.95 19 swims
100 Breaststroke SCY 1:26.75 16 swims
200 Breaststroke SCY 3:03.86 1 swim
25 Butterfly SCY 22.05 1 swim
50 Butterfly SCY 32.39 19 swims
100 Butterfly SCY 1:13.88 3 swims
100 Individual Medley SCY 1:11.49 28 swims
200 Individual Medley SCY 2:39.15 6 swims
50 Freestyle LCM 31.58 18 swims
100 Freestyle LCM 1:08.37 19 swims
200 Freestyle LCM 2:47.17 6 swims
400 Freestyle LCM 5:29.03 5 swims
50 Backstroke LCM 37.62 15 swims
100 Backstroke LCM 1:18.94 18 swims
200 Backstroke LCM 2:49.74 3 swims
50 Breaststroke LCM 42.86 18 swims
100 Breaststroke LCM 1:29.54 19 swims
200 Breaststroke LCM 3:28.45 2 swims
50 Butterfly LCM 37.97 13 swims
100 Butterfly LCM 1:25.86 5 swims
200 Butterfly LCM 3:20.17 2 swims
200 Individual Medley LCM 3:00.52 6 swims