Swimmer profile
Joslin Halsey
FemaleOpen / SeniorRevolution Aquatic ClubNE · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2015–16
2016–17
2017–18
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
50 Free LCM
36.29
33.61
▲ 2.68
32.65
▲ 0.96
32.14
▲ 0.51
29.75
▲ 2.39
28.68
▲ 1.07
28.40
▲ 0.28
27.59
▲ 0.81
27.99
▼ 0.40
100 Free LCM
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1:12.10
1:12.59
▼ 0.49
1:11.43
▲ 1.16
1:03.64
▲ 7.79
1:01.93
▲ 1.71
1:01.38
▲ 0.55
59.08
▲ 2.30
1:00.06
▼ 0.98
200 Free LCM
2:52.88
2:38.84
▲ 14.04
2:39.22
▼ 0.38
2:36.39
▲ 2.83
2:19.84
▲ 16.55
2:16.90
▲ 2.94
2:14.87
▲ 2.03
2:08.44
▲ 6.43
2:12.68
▼ 4.24
400 Free LCM
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—
—
—
—
—
4:52.93
4:33.90
▲ 19.03
4:42.61
▼ 8.71
50 Back LCM
44.08
41.59
▲ 2.49
40.26
▲ 1.33
39.54
▲ 0.72
—
35.98
▲ 3.56
35.29
▲ 0.69
—
—
100 Back LCM
—
1:25.57
1:24.94
▲ 0.63
1:25.32
▼ 0.38
—
1:14.59
▲ 10.73
1:14.19
▲ 0.40
1:12.98
▲ 1.21
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200 Back LCM
—
—
—
3:04.38
2:39.59
▲ 24.79
—
—
2:37.63
▲ 1.96
2:34.67
▲ 2.96
50 Breast LCM
59.61
48.96
▲ 10.65
45.91
▲ 3.05
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—
—
—
—
—
100 Breast LCM
1:56.20
1:44.57
▲ 11.63
1:40.06
▲ 4.51
1:42.27
▼ 2.21
—
—
—
1:24.81
▲ 17.46
1:27.27
▼ 2.46
200 Breast LCM
—
—
3:33.00
—
—
—
—
—
—
50 Fly LCM
40.14
38.37
▲ 1.77
36.17
▲ 2.20
32.55
▲ 3.62
—
30.03
▲ 2.52
30.70
▼ 0.67
—
28.96
▲ 1.74
100 Fly LCM
—
1:24.00
1:20.32
▲ 3.68
1:19.21
▲ 1.11
1:07.49
▲ 11.72
1:05.12
▲ 2.37
1:05.18
▼ 0.06
1:03.66
▲ 1.52
1:03.31
▲ 0.35
200 Fly LCM
—
—
3:09.54
—
2:41.21
▲ 28.33
2:30.49
▲ 10.72
2:30.54
▼ 0.05
2:21.26
▲ 9.28
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200 IM LCM
—
2:58.97
2:51.29
▲ 7.68
2:51.12
▲ 0.17
2:37.28
▲ 13.84
2:35.29
▲ 1.99
2:35.90
▼ 0.61
2:27.57
▲ 8.33
2:27.68
▼ 0.11
400 IM LCM
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—
—
—
5:51.44
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—
—
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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.