Swimmer profile
Zachary Collins
Male17-18Hill Country AquaticsST · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
35.73
34.01
▲ 1.72
30.92
▲ 3.09
26.34
▲ 4.58
23.05
▲ 3.29
21.79
▲ 1.26
20.93
▲ 0.86
21.15
▼ 0.22
100 Free SCY
1:20.75
1:18.01
▲ 2.74
1:09.08
▲ 8.93
—
49.77
▲ 19.31
47.11
▲ 2.66
45.88
▲ 1.23
46.06
▼ 0.18
200 Free SCY
—
—
—
—
1:56.17
1:45.03
▲ 11.14
1:43.36
▲ 1.67
1:45.67
▼ 2.31
500 Free SCY
—
—
—
—
—
—
4:57.14
4:48.69
▲ 8.45
50 Back SCY
40.91
38.74
▲ 2.17
37.11
▲ 1.63
—
26.00
▲ 11.11
24.62
▲ 1.38
23.75
▲ 0.87
23.84
▼ 0.09
100 Back SCY
1:29.87
1:23.96
▲ 5.91
—
1:06.72
▲ 17.24
55.86
▲ 10.86
53.12
▲ 2.74
51.02
▲ 2.10
51.86
▼ 0.84
200 Back SCY
—
—
—
—
—
1:56.79
1:54.84
▲ 1.95
1:57.48
▼ 2.64
50 Breast SCY
51.63
—
—
—
—
—
29.06
▲ 22.57
—
100 Breast SCY
—
—
—
—
—
1:12.22
—
1:05.73
▲ 6.49
50 Fly SCY
—
—
—
—
24.94
—
22.81
▲ 2.13
22.95
▼ 0.14
100 Fly SCY
—
—
—
—
55.61
50.87
▲ 4.74
50.62
▲ 0.25
50.96
▼ 0.34
200 Fly SCY
—
—
—
—
—
—
2:10.11
—
100 IM SCY
—
—
—
1:07.21
57.17
▲ 10.04
53.53
▲ 3.64
52.31
▲ 1.22
53.41
▼ 1.10
200 IM SCY
—
—
—
—
2:08.18
2:10.48
▼ 2.30
1:58.68
▲ 11.80
1:55.30
▲ 3.38
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.