Swimmer profile
Brianna Deierlein
FemaleOpen / SeniorNorthwestern University STIL · CENTRALCollege athlete · Northwestern UniversityD1
SeasonUSA Swimming season runs Sept – Aug
Event
2014–15
2015–16
2016–17
2017–18
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
44.29
36.24
▲ 8.05
32.01
▲ 4.23
29.65
▲ 2.36
28.33
▲ 1.32
—
27.11
▲ 1.22
26.55
▲ 0.56
26.56
▼ 0.01
26.58
▼ 0.02
26.77
▼ 0.19
26.37
▲ 0.40
100 Free LCM
1:34.56
1:20.34
▲ 14.22
1:08.74
▲ 11.60
1:04.14
▲ 4.60
1:00.89
▲ 3.25
—
58.69
▲ 2.20
57.48
▲ 1.21
57.50
▼ 0.02
57.54
▼ 0.04
57.89
▼ 0.35
57.05
▲ 0.84
200 Free LCM
—
2:49.40
2:30.34
▲ 19.06
2:21.52
▲ 8.82
2:09.84
▲ 11.68
—
2:07.88
▲ 1.96
2:05.46
▲ 2.42
2:03.54
▲ 1.92
2:02.43
▲ 1.11
2:06.97
▼ 4.54
2:03.83
▲ 3.14
400 Free LCM
—
—
5:12.10
4:53.91
▲ 18.19
4:44.25
▲ 9.66
—
4:33.14
▲ 11.11
4:29.17
▲ 3.97
4:27.72
▲ 1.45
4:29.03
▼ 1.31
4:38.16
▼ 9.13
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1500 Free LCM
—
—
—
—
19:22.29
—
—
—
—
—
—
—
50 Back LCM
49.10
41.15
▲ 7.95
37.03
▲ 4.12
34.34
▲ 2.69
32.65
▲ 1.69
—
—
—
30.39
▲ 2.26
—
30.62
▼ 0.23
29.97
▲ 0.65
100 Back LCM
1:52.96
1:26.96
▲ 26.00
1:17.75
▲ 9.21
1:13.34
▲ 4.41
1:09.38
▲ 3.96
1:07.50
▲ 1.88
1:06.18
▲ 1.32
1:05.53
▲ 0.65
1:04.73
▲ 0.80
1:04.81
▼ 0.08
1:05.33
▼ 0.52
1:05.68
▼ 0.35
200 Back LCM
—
—
—
2:39.22
2:31.07
▲ 8.15
—
2:20.31
▲ 10.76
2:19.63
▲ 0.68
2:18.22
▲ 1.41
2:18.87
▼ 0.65
2:22.92
▼ 4.05
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50 Breast LCM
59.66
56.91
▲ 2.75
45.43
▲ 11.48
43.42
▲ 2.01
41.18
▲ 2.24
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—
—
—
—
—
—
100 Breast LCM
2:30.95
1:57.59
▲ 33.36
1:39.35
▲ 18.24
1:31.45
▲ 7.90
1:28.96
▲ 2.49
—
—
1:25.18
▲ 3.78
—
—
—
—
200 Breast LCM
—
—
—
3:17.87
3:09.93
▲ 7.94
—
—
3:03.74
▲ 6.19
—
—
—
—
50 Fly LCM
53.49
43.97
▲ 9.52
36.93
▲ 7.04
33.77
▲ 3.16
31.48
▲ 2.29
—
—
—
28.71
▲ 2.77
—
—
—
100 Fly LCM
—
1:37.85
1:29.65
▲ 8.20
1:18.98
▲ 10.67
1:11.65
▲ 7.33
1:07.16
▲ 4.49
1:05.92
▲ 1.24
1:03.46
▲ 2.46
1:02.96
▲ 0.50
1:02.86
▲ 0.10
—
—
200 Fly LCM
—
—
—
—
2:49.34
—
2:49.31
▲ 0.03
—
2:30.78
▲ 18.53
2:26.25
▲ 4.53
—
—
200 IM LCM
—
3:14.64
3:01.33
▲ 13.31
2:44.93
▲ 16.40
2:33.59
▲ 11.34
—
2:27.90
▲ 5.69
2:27.59
▲ 0.31
2:30.51
▼ 2.92
2:26.90
▲ 3.61
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—
400 IM LCM
—
—
—
5:47.50
5:34.16
▲ 13.34
—
5:27.18
▲ 6.98
5:13.37
▲ 13.81
5:15.37
▼ 2.00
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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.