Swimmer profile
Preston Chan
Male15-16Long Island Aquatic ClubMR · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2016–17
2017–18
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
47.72
42.26
▲ 5.46
34.10
▲ 8.16
30.74
▲ 3.36
30.58
▲ 0.16
27.58
▲ 3.00
25.69
▲ 1.89
24.88
▲ 0.81
24.41
▲ 0.47
24.61
▼ 0.20
100 Free SCY
1:41.85
—
1:17.31
▲ 24.54
1:06.10
▲ 11.21
1:04.47
▲ 1.63
59.44
▲ 5.03
54.60
▲ 4.84
53.98
▲ 0.62
52.77
▲ 1.21
51.67
▲ 1.10
200 Free SCY
—
—
2:41.20
2:23.34
▲ 17.86
2:14.06
▲ 9.28
2:03.75
▲ 10.31
1:56.48
▲ 7.27
1:50.94
▲ 5.54
1:49.48
▲ 1.46
1:48.68
▲ 0.80
500 Free SCY
—
—
7:30.45
6:32.37
▲ 58.08
5:46.78
▲ 45.59
5:23.64
▲ 23.14
5:09.60
▲ 14.04
4:53.32
▲ 16.28
4:49.44
▲ 3.88
4:46.71
▲ 2.73
1000 Free SCY
—
—
—
—
—
11:12.22
10:30.53
▲ 41.69
10:02.92
▲ 27.61
9:55.01
▲ 7.91
9:52.66
▲ 2.35
1650 Free SCY
—
—
—
—
—
—
—
16:45.04
16:43.98
▲ 1.06
16:33.43
▲ 10.55
50 Back SCY
1:00.19
56.48
▲ 3.71
42.63
▲ 13.85
37.90
▲ 4.73
36.52
▲ 1.38
33.89
▲ 2.63
31.85
▲ 2.04
—
—
—
100 Back SCY
—
—
1:30.44
1:22.05
▲ 8.39
1:15.01
▲ 7.04
1:09.71
▲ 5.30
1:07.53
▲ 2.18
1:00.83
▲ 6.70
1:03.47
▼ 2.64
1:03.50
▼ 0.03
200 Back SCY
—
—
—
—
2:36.94
2:28.46
▲ 8.48
2:21.20
▲ 7.26
—
2:15.12
▲ 6.08
2:11.70
▲ 3.42
50 Breast SCY
—
—
46.05
40.63
▲ 5.42
37.77
▲ 2.86
36.59
▲ 1.18
—
—
—
—
100 Breast SCY
—
—
1:41.76
1:28.42
▲ 13.34
1:22.19
▲ 6.23
1:17.88
▲ 4.31
1:13.18
▲ 4.70
1:08.76
▲ 4.42
1:08.38
▲ 0.38
1:11.12
▼ 2.74
200 Breast SCY
—
—
—
—
—
2:44.82
2:33.68
▲ 11.14
2:34.79
▼ 1.11
2:30.57
▲ 4.22
—
50 Fly SCY
—
1:03.88
43.56
▲ 20.32
37.35
▲ 6.21
34.43
▲ 2.92
32.14
▲ 2.29
29.81
▲ 2.33
—
—
—
100 Fly SCY
—
—
—
1:32.10
1:22.90
▲ 9.20
1:14.03
▲ 8.87
1:04.78
▲ 9.25
1:04.04
▲ 0.74
1:01.94
▲ 2.10
59.68
▲ 2.26
200 Fly SCY
—
—
—
—
—
—
2:30.64
—
2:22.08
▲ 8.56
—
100 IM SCY
—
1:52.20
1:40.82
▲ 11.38
1:19.85
▲ 20.97
1:14.16
▲ 5.69
1:08.07
▲ 6.09
1:05.55
▲ 2.52
—
—
—
200 IM SCY
—
—
3:10.39
2:47.73
▲ 22.66
2:33.65
▲ 14.08
2:24.16
▲ 9.49
2:13.38
▲ 10.78
2:08.48
▲ 4.90
2:10.07
▼ 1.59
2:09.22
▲ 0.85
400 IM SCY
—
—
—
—
5:16.39
5:04.30
▲ 12.09
4:48.86
▲ 15.44
4:36.39
▲ 12.47
4:38.59
▼ 2.20
—
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.