Swimmer profile
David Xin
Male13-14Asphalt Green Unified AquaticsMR · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
41.31
37.98
▲ 3.33
36.78
▲ 1.20
34.76
▲ 2.02
30.75
▲ 4.01
28.89
▲ 1.86
100 Free LCM
1:39.36
1:26.11
▲ 13.25
1:22.39
▲ 3.72
1:17.11
▲ 5.28
1:08.05
▲ 9.06
1:02.76
▲ 5.29
200 Free LCM
—
3:12.93
—
2:51.83
▲ 21.10
2:30.89
▲ 20.94
2:23.96
▲ 6.93
50 Back LCM
51.16
50.55
▲ 0.61
44.97
▲ 5.58
41.87
▲ 3.10
—
—
100 Back LCM
—
1:38.45
1:34.39
▲ 4.06
1:30.63
▲ 3.76
1:19.95
▲ 10.68
1:11.13
▲ 8.82
200 Back LCM
—
—
—
3:15.78
2:48.49
▲ 27.29
2:39.55
▲ 8.94
50 Breast LCM
57.70
52.04
▲ 5.66
51.84
▲ 0.20
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—
—
100 Breast LCM
2:03.32
1:53.29
▲ 10.03
1:52.02
▲ 1.27
1:40.73
▲ 11.29
1:26.96
▲ 13.77
1:26.72
▲ 0.24
200 Breast LCM
—
—
—
—
3:07.62
—
50 Fly LCM
49.17
46.75
▲ 2.42
42.90
▲ 3.85
40.87
▲ 2.03
33.52
▲ 7.35
—
100 Fly LCM
—
1:54.64
1:38.75
▲ 15.89
1:28.90
▲ 9.85
1:23.25
▲ 5.65
1:12.11
▲ 11.14
200 IM LCM
—
3:24.89
3:18.71
▲ 6.18
3:12.19
▲ 6.52
2:46.93
▲ 25.26
2:34.45
▲ 12.48
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.