Zachary Ma

Mage 13IEMTORPNTHSC

188 plausible swims · 31 meets · 2022-06-04 → 2026-06-26

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 25.33 AA+0.94s to AAA 2026-03-06 2026 OSI Arena SC 11-14 Champs fast pool
100 Freestyle SCY 54.95 AA+1.86s to AAA 2026-03-08 2026 OSI Arena SC 11-14 Champs fast pool
200 Freestyle SCY 2:05.40 A+4.01s to AA 2025-11-08 2025 THSC November Open venue
500 Freestyle SCY 5:23.43 AA+10.14s to AAA 2026-03-06 2026 OSI Arena SC 11-14 Champs fast pool
1650 Freestyle SCY 20:49.64 BB+60.35s to A 2025-01-04 2025 THSC Animal Meet venue
50 Backstroke SCY 33.40 B+0.51s to BB 2024-12-08 2024 Tualatin Hills Holiday Classic venue
100 Backstroke SCY 1:07.34 BB+3.55s to A 2026-01-17 2026 THSC 14&U Winter Showcase venue
200 Backstroke SCY 2:22.52 BB+3.53s to A 2025-11-09 2025 THSC November Open venue
50 Breaststroke SCY 36.98 BB+2.29s to A 2024-11-10 2024 THSC November Invitational venue
100 Breaststroke SCY 1:07.84 AA+1.55s to AAA 2026-03-08 2026 OSI Arena SC 11-14 Champs fast pool
200 Breaststroke SCY 2:27.45 AA+3.66s to AAA 2026-03-21 2026 NW Region Age Group Champs- Approved venue
50 Butterfly SCY 31.14 BB+1.45s to A 2025-08-02 2025 Season Finale venue
100 Butterfly SCY 1:09.29 B+0.80s to BB 2025-12-05 2025 Tualatin Hills Holiday Classic venue
200 Butterfly SCY 2:41.81 B+8.32s to BB 2025-01-04 2025 THSC Animal Meet venue
100 Individual Medley SCY 1:10.05 2025-03-01 2025 OSI Arena SC 11-14 Champs fast pool
200 Individual Medley SCY 2:14.50 AA+5.11s to AAA 2026-03-06 2026 OSI Arena SC 11-14 Champs fast pool
400 Individual Medley SCY 4:48.63 AA+11.44s to AAA 2026-03-07 2026 OSI Arena SC 11-14 Champs fast pool
50 Freestyle LCM 29.26 AA+1.27s to AAA 2026-05-24 2026 THSC Memorial Weekend Meet venue
100 Freestyle LCM 1:03.65 AA+2.16s to AAA 2026-06-13 2026 THSC June Open venue
200 Freestyle LCM 2:18.19 AA+4.60s to AAA 2026-05-23 2026 THSC Memorial Weekend Meet venue
400 Freestyle LCM 4:50.55 AA+7.76s to AAA 2026-05-22 2026 THSC Memorial Weekend Meet venue
800 Freestyle LCM 10:37.13 A+19.94s to AA 2025-06-26 2025 Howard Jones Open venue
1500 Freestyle LCM 20:04.71 A+22.72s to AA 2025-06-26 2025 Howard Jones Open venue
50 Backstroke LCM 37.48 BB+2.09s to A 2025-07-13 2025 THSC Summer Classic venue
100 Backstroke LCM 1:12.89 A+1.10s to AA 2026-05-23 2026 THSC Memorial Weekend Meet venue
200 Backstroke LCM 2:39.89 A+4.00s to AA 2026-05-24 2026 THSC Memorial Weekend Meet venue
50 Breaststroke LCM 36.01 AAA+1.52s to AAAA 2026-05-03 2026 THSC Spring Invite venue
100 Breaststroke LCM 1:19.79 AA+3.40s to AAA 2026-06-13 2026 THSC June Open venue
200 Breaststroke LCM 2:54.12 AA+6.43s to AAA 2026-05-23 2026 THSC Memorial Weekend Meet venue
50 Butterfly LCM 35.09 BB+1.60s to A 2025-06-28 2025 Howard Jones Open venue
100 Butterfly LCM 1:17.56 BB+5.47s to A 2026-05-02 2026 THSC Spring Invite venue
200 Butterfly LCM 2:55.40 BB+13.41s to A 2026-06-13 2026 THSC June Open venue
200 Individual Medley LCM 2:32.17 AA+2.58s to AAA 2026-06-14 2026 THSC June Open venue
400 Individual Medley LCM 5:28.80 AA+9.21s to AAA 2026-06-26 2026 PN SMAC Summer Classic Invite- Approved 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
100 Freestyle SCY 1:07.08 flying 400 Free Relay (leg 3) 2025-01-20 2025 Thunderbolt Round Robin Invitational

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

3904 points (6/6 events)

EventTime Points
400 FR LCM 4:50.55 727
200 BK LCM 2:39.89 619
200 BR LCM 2:54.12 666
200 FL LCM 2:55.40 453
200 IM LCM 2:32.17 732
400 IM LCM 5:28.80 707

IMR 13-14 · LCM

3227 points (5/5 events)

EventTime Points
200 FR LCM 2:18.19 704
100 BK LCM 1:12.89 639
100 BR LCM 1:19.79 683
100 FL LCM 1:17.56 469
200 IM LCM 2:32.17 732

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

PR splits

100 Freestyle SCY 54.95

26.33
28.62

Front half 26.33s · back half 28.62s

200 Freestyle SCY 2:05.40

28.51
31.97
33.24
31.68

Front half 60.48s · back half 64.92s

500 Freestyle SCY 5:23.43

28.95
32.33
32.22
32.98
33.50
32.88
33.32
33.08
33.35
30.82

Front half 159.98s · back half 163.45s

100 Backstroke SCY 1:07.34

32.44
34.90

Front half 32.44s · back half 34.90s

200 Backstroke SCY 2:22.52

33.22
36.00
37.08
36.22

Front half 69.22s · back half 73.30s

100 Breaststroke SCY 1:07.84

31.43
36.41

Front half 31.43s · back half 36.41s

200 Breaststroke SCY 2:27.45 RT 0.75s

32.02
37.65
38.81
38.97

Front half 69.67s · back half 77.78s

100 Butterfly SCY 1:09.29

32.57
36.72

Front half 32.57s · back half 36.72s

100 Individual Medley SCY 1:10.05

32.11
37.94

Front half 32.11s · back half 37.94s

200 Individual Medley SCY 2:14.50

29.62
34.84
38.53
31.51

Front half 64.46s · back half 70.04s

400 Individual Medley SCY 4:48.63

28.78
35.05
37.68
37.46
40.56
42.40
34.01
32.69

Front half 138.97s · back half 149.66s

100 Freestyle LCM 1:03.65

30.49
33.16

Front half 30.49s · back half 33.16s

200 Freestyle LCM 2:18.19

31.17
34.69
36.71
35.62

Front half 65.86s · back half 72.33s

400 Freestyle LCM 4:50.55

31.31
36.09
37.33
36.87
37.35
36.62
37.96
37.02

Front half 141.60s · back half 148.95s

1500 Freestyle LCM 20:04.71

36.03
39.60
39.62
39.46
40.33
39.97
40.39
39.65
39.91
39.86
39.75
40.14
40.57
39.91
40.50
41.44
41.26
40.21
40.79
40.75
40.02
40.93
36.08
44.68
40.30
41.45
42.26
41.09
40.35
37.41

Front half 595.69s · back half 609.02s

100 Backstroke LCM 1:12.89

35.06
37.83

Front half 35.06s · back half 37.83s

200 Backstroke LCM 2:39.89

37.87
40.05
40.73
41.24

Front half 77.92s · back half 81.97s

100 Breaststroke LCM 1:19.79

38.21
41.58

Front half 38.21s · back half 41.58s

200 Breaststroke LCM 2:54.12

37.36
45.12
46.95
44.69

Front half 82.48s · back half 91.64s

100 Butterfly LCM 1:17.56

34.94
42.62

Front half 34.94s · back half 42.62s

200 Butterfly LCM 2:55.40

35.95
43.72
46.54
49.19

Front half 79.67s · back half 95.73s

200 Individual Medley LCM 2:32.17

33.39
39.41
43.51
35.86

Front half 72.80s · back half 79.37s

400 Individual Medley LCM 5:28.80 RT 0.75s

76.31
85.04
91.77
75.68

Front half 161.35s · back half 167.45s

Reaction time

fastest 0.73s average 0.761s slowest 0.81s 9 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.

Progression

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

50 Freestyle SCY 25.33 8 swims
100 Freestyle SCY 54.95 13 swims
200 Freestyle SCY 2:05.40 12 swims
500 Freestyle SCY 5:23.43 3 swims
1650 Freestyle SCY 20:49.64 1 swim
50 Backstroke SCY 33.40 4 swims
100 Backstroke SCY 1:07.34 6 swims
200 Backstroke SCY 2:22.52 2 swims
50 Breaststroke SCY 36.98 4 swims
100 Breaststroke SCY 1:07.84 12 swims
200 Breaststroke SCY 2:27.45 7 swims
50 Butterfly SCY 31.14 8 swims
100 Butterfly SCY 1:09.29 9 swims
200 Butterfly SCY 2:41.81 2 swims
100 Individual Medley SCY 1:10.05 6 swims
200 Individual Medley SCY 2:14.50 9 swims
400 Individual Medley SCY 4:48.63 6 swims
50 Freestyle LCM 29.26 7 swims
100 Freestyle LCM 1:03.65 9 swims
200 Freestyle LCM 2:18.19 9 swims
400 Freestyle LCM 4:50.55 4 swims
800 Freestyle LCM 10:37.13 2 swims
1500 Freestyle LCM 20:04.71 2 swims
50 Backstroke LCM 37.48 5 swims
100 Backstroke LCM 1:12.89 2 swims
200 Backstroke LCM 2:39.89 2 swims
50 Breaststroke LCM 36.01 7 swims
100 Breaststroke LCM 1:19.79 3 swims
200 Breaststroke LCM 2:54.12 2 swims
50 Butterfly LCM 35.09 4 swims
100 Butterfly LCM 1:17.56 6 swims
200 Butterfly LCM 2:55.40 1 swim
200 Individual Medley LCM 2:32.17 8 swims
400 Individual Medley LCM 5:28.80 3 swims