Swimmer profile
Jacek Brown
Male17-18Boise Swim ClubSR · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
35.41
30.95
▲ 4.46
29.39
▲ 1.56
27.16
▲ 2.23
26.50
▲ 0.66
26.54
▼ 0.04
100 Free LCM
1:18.74
1:07.91
▲ 10.83
1:03.19
▲ 4.72
57.82
▲ 5.37
57.80
▲ 0.02
58.08
▼ 0.28
200 Free LCM
2:49.72
2:31.59
▲ 18.13
2:22.57
▲ 9.02
2:08.12
▲ 14.45
2:06.60
▲ 1.52
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400 Free LCM
—
5:39.85
5:08.61
▲ 31.24
4:45.68
▲ 22.93
4:41.37
▲ 4.31
4:48.67
▼ 7.30
800 Free LCM
—
—
—
—
9:55.61
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1500 Free LCM
—
22:50.33
20:29.97
▲ 140.36
19:06.41
▲ 83.56
—
—
50 Back LCM
44.91
—
35.27
▲ 9.64
32.72
▲ 2.55
—
33.29
▼ 0.57
100 Back LCM
1:38.54
1:25.79
▲ 12.75
1:18.26
▲ 7.53
1:16.24
▲ 2.02
1:10.29
▲ 5.95
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200 Back LCM
—
3:05.45
—
2:49.26
▲ 16.19
—
—
50 Breast LCM
48.91
45.46
▲ 3.45
—
38.35
▲ 7.11
36.19
▲ 2.16
33.74
▲ 2.45
100 Breast LCM
1:50.89
1:35.05
▲ 15.84
1:28.72
▲ 6.33
—
1:18.18
▲ 10.54
1:14.83
▲ 3.35
200 Breast LCM
—
—
—
3:09.13
3:01.78
▲ 7.35
2:57.76
▲ 4.02
50 Fly LCM
37.50
34.81
▲ 2.69
30.85
▲ 3.96
28.61
▲ 2.24
28.18
▲ 0.43
27.98
▲ 0.20
100 Fly LCM
1:28.92
1:17.74
▲ 11.18
1:07.99
▲ 9.75
1:02.22
▲ 5.77
1:01.08
▲ 1.14
1:01.62
▼ 0.54
200 Fly LCM
—
3:03.16
2:37.82
▲ 25.34
2:26.37
▲ 11.45
2:17.71
▲ 8.66
2:23.08
▼ 5.37
200 IM LCM
3:18.46
3:01.15
▲ 17.31
2:40.06
▲ 21.09
2:28.19
▲ 11.87
2:24.25
▲ 3.94
2:32.03
▼ 7.78
400 IM LCM
—
—
—
5:31.20
5:24.85
▲ 6.35
5:24.78
▲ 0.07
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.