Swimmer profile
Marvin Qian
Male13-14Waterloo SwimmingST · 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
44.46
34.89
▲ 9.57
32.01
▲ 2.88
29.58
▲ 2.43
28.01
▲ 1.57
25.76
▲ 2.25
25.27
▲ 0.49
22.82
▲ 2.45
100 Free SCY
1:50.90
1:17.79
▲ 33.11
1:10.79
▲ 7.00
1:03.04
▲ 7.75
1:00.58
▲ 2.46
55.48
▲ 5.10
54.50
▲ 0.98
50.54
▲ 3.96
200 Free SCY
—
—
2:37.11
2:15.21
▲ 21.90
2:09.25
▲ 5.96
2:02.91
▲ 6.34
1:58.57
▲ 4.34
1:55.29
▲ 3.28
500 Free SCY
—
—
6:22.45
6:04.78
▲ 17.67
5:43.87
▲ 20.91
5:27.46
▲ 16.41
—
5:18.86
▲ 8.60
1650 Free SCY
—
—
—
—
20:46.31
—
19:42.64
▲ 63.67
19:22.85
▲ 19.79
50 Back SCY
50.71
38.36
▲ 12.35
36.72
▲ 1.64
32.68
▲ 4.04
31.25
▲ 1.43
28.57
▲ 2.68
27.46
▲ 1.11
25.44
▲ 2.02
100 Back SCY
—
1:22.54
1:17.19
▲ 5.35
1:08.86
▲ 8.33
1:06.29
▲ 2.57
1:01.00
▲ 5.29
58.48
▲ 2.52
54.70
▲ 3.78
200 Back SCY
—
—
—
—
2:17.90
2:09.77
▲ 8.13
2:05.02
▲ 4.75
2:01.19
▲ 3.83
50 Breast SCY
—
47.87
45.40
▲ 2.47
42.51
▲ 2.89
39.37
▲ 3.14
35.02
▲ 4.35
—
31.98
▲ 3.04
100 Breast SCY
—
1:40.69
1:39.53
▲ 1.16
1:27.64
▲ 11.89
1:20.54
▲ 7.10
1:18.00
▲ 2.54
1:11.89
▲ 6.11
1:07.54
▲ 4.35
200 Breast SCY
—
—
—
—
2:59.87
2:42.67
▲ 17.20
2:44.58
▼ 1.91
—
50 Fly SCY
50.72
41.54
▲ 9.18
39.49
▲ 2.05
35.48
▲ 4.01
31.37
▲ 4.11
28.44
▲ 2.93
—
24.77
▲ 3.67
100 Fly SCY
—
—
—
1:15.10
1:12.77
▲ 2.33
1:03.26
▲ 9.51
1:00.26
▲ 3.00
54.97
▲ 5.29
200 Fly SCY
—
—
—
—
—
2:25.03
2:24.06
▲ 0.97
—
100 IM SCY
—
1:28.00
1:23.34
▲ 4.66
1:13.34
▲ 10.00
1:08.96
▲ 4.38
1:02.36
▲ 6.60
—
59.33
▲ 3.03
200 IM SCY
—
—
2:55.22
2:31.41
▲ 23.81
2:26.25
▲ 5.16
2:13.88
▲ 12.37
2:09.46
▲ 4.42
2:03.11
▲ 6.35
400 IM SCY
—
—
—
—
5:16.14
—
4:41.91
▲ 34.23
4:26.12
▲ 15.79
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.