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 SCY
52.37
34.44
▲ 17.93
31.55
▲ 2.89
28.05
▲ 3.50
25.33
▲ 2.72
100 Free SCY
1:43.96
1:16.97
▲ 26.99
1:11.08
▲ 5.89
1:00.02
▲ 11.06
54.95
▲ 5.07
200 Free SCY
3:30.05
3:10.03
▲ 20.02
2:31.12
▲ 38.91
2:07.99
▲ 23.13
2:02.29
▲ 5.70
500 Free SCY
—
—
6:51.43
6:11.89
▲ 39.54
5:23.43
▲ 48.46
1650 Free SCY
—
—
—
20:49.64
—
50 Back SCY
50.18
39.68
▲ 10.50
37.89
▲ 1.79
33.40
▲ 4.49
—
100 Back SCY
—
1:21.71
1:21.89
▼ 0.18
1:12.31
▲ 9.58
1:07.34
▲ 4.97
200 Back SCY
—
—
—
—
2:22.52
50 Breast SCY
58.13
44.61
▲ 13.52
43.65
▲ 0.96
36.98
▲ 6.67
—
100 Breast SCY
2:02.56
1:44.65
▲ 17.91
1:35.27
▲ 9.38
1:14.83
▲ 20.44
1:07.84
▲ 6.99
200 Breast SCY
—
—
—
2:49.93
2:27.45
▲ 22.48
50 Fly SCY
1:02.01
40.26
▲ 21.75
38.52
▲ 1.74
31.14
▲ 7.38
—
100 Fly SCY
—
1:40.40
1:26.10
▲ 14.30
1:09.82
▲ 16.28
1:09.29
▲ 0.53
200 Fly SCY
—
—
—
2:41.81
2:42.82
▼ 1.01
100 IM SCY
1:59.51
1:27.85
▲ 31.66
1:22.60
▲ 5.25
1:10.05
▲ 12.55
—
200 IM SCY
—
2:51.32
2:49.69
▲ 1.63
2:30.52
▲ 19.17
2:14.50
▲ 16.02
400 IM SCY
—
—
—
5:25.43
4:48.63
▲ 36.80
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.