Swimmer profile
Brian Bosse
Male17-18RACE Aquatics Swim ClubKY · SOUTHERN
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
49.45
36.95
▲ 12.50
30.43
▲ 6.52
28.57
▲ 1.86
26.55
▲ 2.02
25.85
▲ 0.70
24.68
▲ 1.17
25.57
▼ 0.89
100 Free LCM
—
1:31.25
1:07.65
▲ 23.60
1:02.59
▲ 5.06
57.82
▲ 4.77
56.01
▲ 1.81
54.83
▲ 1.18
55.06
▼ 0.23
200 Free LCM
—
3:16.06
2:29.20
▲ 46.86
2:17.19
▲ 12.01
2:09.45
▲ 7.74
2:04.80
▲ 4.65
2:06.64
▼ 1.84
2:08.64
▼ 2.00
400 Free LCM
—
—
5:28.08
4:45.92
▲ 42.16
4:32.80
▲ 13.12
4:33.51
▼ 0.71
—
—
800 Free LCM
—
—
11:10.46
9:50.78
▲ 79.68
9:31.23
▲ 19.55
9:33.84
▼ 2.61
—
—
1500 Free LCM
—
—
20:56.64
18:46.82
▲ 129.82
18:43.62
▲ 3.20
18:21.58
▲ 22.04
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—
50 Back LCM
55.80
41.73
▲ 14.07
34.50
▲ 7.23
—
30.66
▲ 3.84
28.69
▲ 1.97
28.18
▲ 0.51
—
100 Back LCM
—
1:37.74
1:15.70
▲ 22.04
1:14.08
▲ 1.62
1:05.99
▲ 8.09
1:02.61
▲ 3.38
1:00.89
▲ 1.72
1:06.51
▼ 5.62
200 Back LCM
—
—
2:49.44
2:34.92
▲ 14.52
2:29.90
▲ 5.02
2:24.18
▲ 5.72
2:20.64
▲ 3.54
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50 Breast LCM
—
53.78
—
—
—
33.40
▲ 20.38
36.71
▼ 3.31
—
100 Breast LCM
—
2:06.85
1:25.39
▲ 41.46
1:17.91
▲ 7.48
1:16.93
▲ 0.98
1:13.72
▲ 3.21
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—
200 Breast LCM
—
—
3:03.90
2:54.80
▲ 9.10
2:49.86
▲ 4.94
2:49.06
▲ 0.80
—
—
50 Fly LCM
—
45.68
—
—
—
27.70
▲ 17.98
26.79
▲ 0.91
—
100 Fly LCM
—
—
1:20.26
1:05.90
▲ 14.36
1:04.87
▲ 1.03
1:02.40
▲ 2.47
58.26
▲ 4.14
1:04.65
▼ 6.39
200 Fly LCM
—
—
3:05.56
2:28.56
▲ 37.00
2:25.06
▲ 3.50
—
—
—
200 IM LCM
—
3:34.67
2:46.42
▲ 48.25
2:31.22
▲ 15.20
2:26.18
▲ 5.04
2:16.99
▲ 9.19
2:17.59
▼ 0.60
—
400 IM LCM
—
—
5:51.49
5:23.95
▲ 27.54
5:09.13
▲ 14.82
—
4:59.85
▲ 9.28
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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.