Swimmer profile
Zachary Ma
Male13-14Tualatin Hills Swim ClubOR · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
53.68
37.96
▲ 15.72
32.92
▲ 5.04
30.82
▲ 2.10
28.83
▲ 1.99
100 Free LCM
1:50.90
1:23.35
▲ 27.55
1:13.00
▲ 10.35
1:07.28
▲ 5.72
1:03.65
▲ 3.63
200 Free LCM
—
3:01.43
2:37.28
▲ 24.15
2:22.36
▲ 14.92
2:18.19
▲ 4.17
400 Free LCM
—
6:27.70
5:24.59
▲ 63.11
5:01.69
▲ 22.90
4:50.55
▲ 11.14
800 Free LCM
—
—
—
10:37.13
—
1500 Free LCM
—
—
—
20:04.71
—
50 Back LCM
58.91
43.26
▲ 15.65
42.02
▲ 1.24
37.48
▲ 4.54
34.04
▲ 3.44
100 Back LCM
1:56.70
1:37.63
▲ 19.07
1:28.15
▲ 9.48
1:21.93
▲ 6.22
1:12.70
▲ 9.23
200 Back LCM
—
—
—
2:47.38
2:35.86
▲ 11.52
50 Breast LCM
1:06.17
50.18
▲ 15.99
45.48
▲ 4.70
38.52
▲ 6.96
36.01
▲ 2.51
100 Breast LCM
2:33.65
1:46.43
▲ 47.22
1:33.52
▲ 12.91
1:31.90
▲ 1.62
1:19.79
▲ 12.11
200 Breast LCM
—
—
—
3:02.75
2:48.72
▲ 14.03
50 Fly LCM
1:03.33
48.21
▲ 15.12
38.64
▲ 9.57
35.09
▲ 3.55
—
100 Fly LCM
—
1:35.71
1:24.04
▲ 11.67
1:21.23
▲ 2.81
1:17.56
▲ 3.67
200 Fly LCM
—
—
3:08.21
3:02.86
▲ 5.35
2:49.46
▲ 13.40
200 IM LCM
—
3:17.44
2:53.90
▲ 23.54
2:42.64
▲ 11.26
2:32.17
▲ 10.47
400 IM LCM
—
—
—
5:51.00
5:38.39
▲ 12.61
Improvement<0.5s0.5–2s2–5s5s+Slower
📊 All Attempts by Event
Chronological history of every recorded swim. Click an event to expand its attempt list.