Swimmer profile
Cooper Dong
Male17-18Asphalt Green Unified AquaticsMR · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2017–18
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
41.90
37.01
▲ 4.89
33.02
▲ 3.99
31.15
▲ 1.87
28.94
▲ 2.21
26.98
▲ 1.96
25.56
▲ 1.42
25.40
▲ 0.16
100 Free LCM
1:35.83
1:29.68
▲ 6.15
1:13.47
▲ 16.21
1:09.40
▲ 4.07
1:02.95
▲ 6.45
58.81
▲ 4.14
56.02
▲ 2.79
56.27
▼ 0.25
200 Free LCM
—
3:25.46
—
2:36.20
▲ 49.26
2:17.61
▲ 18.59
2:08.13
▲ 9.48
2:05.07
▲ 3.06
2:03.78
▲ 1.29
400 Free LCM
—
—
—
5:21.48
—
4:36.65
▲ 44.83
4:34.44
▲ 2.21
—
50 Back LCM
49.21
43.74
▲ 5.47
37.38
▲ 6.36
—
32.98
▲ 4.40
31.07
▲ 1.91
29.24
▲ 1.83
28.61
▲ 0.63
100 Back LCM
1:45.87
1:36.77
▲ 9.10
1:23.56
▲ 13.21
1:15.30
▲ 8.26
1:09.54
▲ 5.76
1:05.59
▲ 3.95
1:02.58
▲ 3.01
1:01.40
▲ 1.18
200 Back LCM
—
—
—
2:42.98
2:29.40
▲ 13.58
2:19.86
▲ 9.54
2:13.55
▲ 6.31
2:12.13
▲ 1.42
50 Breast LCM
1:00.72
54.10
▲ 6.62
—
—
—
—
33.20
▲ 20.90
—
100 Breast LCM
2:06.39
2:01.84
▲ 4.55
1:36.85
▲ 24.99
1:29.83
▲ 7.02
1:21.04
▲ 8.79
1:17.67
▲ 3.37
1:13.71
▲ 3.96
1:14.44
▼ 0.73
200 Breast LCM
—
—
—
3:12.92
2:56.62
▲ 16.30
2:47.71
▲ 8.91
2:42.27
▲ 5.44
—
50 Fly LCM
—
47.28
38.56
▲ 8.72
—
—
—
27.65
▲ 10.91
—
100 Fly LCM
—
—
—
1:21.00
—
1:05.86
▲ 15.14
1:02.39
▲ 3.47
1:01.45
▲ 0.94
200 Fly LCM
—
—
—
—
—
2:30.18
—
—
200 IM LCM
—
3:32.45
3:04.78
▲ 27.67
2:47.76
▲ 17.02
2:29.21
▲ 18.55
2:22.74
▲ 6.47
2:17.12
▲ 5.62
2:16.10
▲ 1.02
400 IM LCM
—
—
—
—
—
5:02.76
4:55.90
▲ 6.86
—
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.