Swimmer profile
David Xin
Male13-14Asphalt Green Unified AquaticsMR · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
44.75
38.02
▲ 6.73
35.50
▲ 2.52
33.29
▲ 2.21
32.59
▲ 0.70
28.02
▲ 4.57
25.25
▲ 2.77
100 Free SCY
1:36.64
1:29.29
▲ 7.35
1:21.77
▲ 7.52
1:14.81
▲ 6.96
1:07.20
▲ 7.61
1:00.43
▲ 6.77
54.87
▲ 5.56
200 Free SCY
—
3:02.11
—
2:48.54
▲ 13.57
2:32.60
▲ 15.94
2:17.94
▲ 14.66
2:03.40
▲ 14.54
500 Free SCY
—
—
—
—
—
6:19.71
5:32.30
▲ 47.41
50 Back SCY
52.90
—
41.64
▲ 11.26
37.85
▲ 3.79
36.16
▲ 1.69
35.80
▲ 0.36
30.10
▲ 5.70
100 Back SCY
—
1:31.99
1:30.35
▲ 1.64
1:22.51
▲ 7.84
1:19.60
▲ 2.91
1:10.14
▲ 9.46
1:01.66
▲ 8.48
200 Back SCY
—
—
—
—
2:45.86
2:35.49
▲ 10.37
2:15.06
▲ 20.43
50 Breast SCY
58.87
48.18
▲ 10.69
—
46.87
▲ 1.31
44.55
▲ 2.32
37.00
▲ 7.55
—
100 Breast SCY
—
1:42.25
1:42.29
▼ 0.04
1:36.37
▲ 5.92
1:37.62
▼ 1.25
1:18.41
▲ 19.21
1:14.89
▲ 3.52
200 Breast SCY
—
—
—
—
3:21.78
2:47.96
▲ 33.82
2:36.74
▲ 11.22
50 Fly SCY
49.24
41.04
▲ 8.20
39.38
▲ 1.66
39.03
▲ 0.35
34.86
▲ 4.17
—
29.64
▲ 5.22
100 Fly SCY
—
—
1:32.41
1:30.37
▲ 2.04
1:26.22
▲ 4.15
1:15.02
▲ 11.20
1:02.84
▲ 12.18
200 Fly SCY
—
—
—
—
—
2:40.41
2:20.75
▲ 19.66
100 IM SCY
1:54.80
1:33.01
▲ 21.79
1:27.68
▲ 5.33
1:21.95
▲ 5.73
1:16.82
▲ 5.13
1:11.32
▲ 5.50
1:04.82
▲ 6.50
200 IM SCY
—
—
3:10.70
3:06.74
▲ 3.96
2:54.21
▲ 12.53
2:33.20
▲ 21.01
2:18.97
▲ 14.23
400 IM SCY
—
—
—
—
6:02.40
5:24.90
▲ 37.50
4:59.00
▲ 25.90
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.