Swimmer profile
Jillian Cox
FemaleOpen / SeniorLonghorn AquaticsST · SOUTHERNCollege athlete · University of TexasD1
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
35.88
34.68
▲ 1.20
31.14
▲ 3.54
28.73
▲ 2.41
27.69
▲ 1.04
—
29.01
▼ 1.32
26.79
▲ 2.22
—
26.72
▲ 0.07
—
—
100 Free LCM
1:19.42
1:17.84
▲ 1.58
1:06.88
▲ 10.96
1:01.49
▲ 5.39
58.40
▲ 3.09
—
57.68
▲ 0.72
56.64
▲ 1.04
56.95
▼ 0.31
56.92
▲ 0.03
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—
200 Free LCM
3:00.50
2:38.49
▲ 22.01
2:15.68
▲ 22.81
2:08.75
▲ 6.93
2:03.80
▲ 4.95
2:04.03
▼ 0.23
2:01.04
▲ 2.99
1:58.95
▲ 2.09
1:59.78
▼ 0.83
1:58.47
▲ 1.31
2:03.61
▼ 5.14
2:00.85
▲ 2.76
400 Free LCM
—
—
4:47.88
4:30.63
▲ 17.25
4:13.24
▲ 17.39
4:20.32
▼ 7.08
4:13.09
▲ 7.23
4:06.84
▲ 6.25
4:06.60
▲ 0.24
4:06.31
▲ 0.29
4:07.34
▼ 1.03
4:08.98
▼ 1.64
800 Free LCM
—
—
—
9:17.50
8:44.20
▲ 33.30
8:53.56
▼ 9.36
8:42.11
▲ 11.45
8:30.38
▲ 11.73
8:19.73
▲ 10.65
8:22.97
▼ 3.24
8:19.88
▲ 3.09
8:24.90
▼ 5.02
1500 Free LCM
—
—
—
18:11.70
17:02.49
▲ 69.21
—
16:52.20
▲ 10.29
16:29.16
▲ 23.04
16:18.40
▲ 10.76
16:07.29
▲ 11.11
16:04.13
▲ 3.16
16:10.21
▼ 6.08
50 Back LCM
43.18
42.87
▲ 0.31
37.23
▲ 5.64
33.76
▲ 3.47
32.89
▲ 0.87
—
31.63
▲ 1.26
—
—
—
—
—
100 Back LCM
1:36.19
1:34.61
▲ 1.58
1:26.90
▲ 7.71
1:11.86
▲ 15.04
1:07.92
▲ 3.94
—
—
1:08.36
▼ 0.44
1:06.53
▲ 1.83
—
—
—
200 Back LCM
—
—
2:49.83
2:37.40
▲ 12.43
2:27.23
▲ 10.17
—
2:27.92
▼ 0.69
—
—
2:20.03
▲ 7.89
—
—
50 Breast LCM
—
—
45.82
—
—
—
—
—
—
—
—
—
100 Breast LCM
—
—
—
1:26.34
—
—
—
—
—
—
—
—
50 Fly LCM
—
—
34.68
—
—
—
—
—
—
—
—
—
100 Fly LCM
—
—
1:21.98
1:10.02
▲ 11.96
1:05.20
▲ 4.82
—
1:10.38
▼ 5.18
1:04.47
▲ 5.91
1:05.22
▼ 0.75
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—
—
200 Fly LCM
—
—
—
—
—
—
2:30.16
—
—
2:16.46
▲ 13.70
—
—
200 IM LCM
3:36.86
3:23.38
▲ 13.48
—
2:32.95
▲ 50.43
2:28.16
▲ 4.79
—
2:29.24
▼ 1.08
2:24.03
▲ 5.21
—
2:22.06
▲ 1.97
—
—
400 IM LCM
—
—
—
—
5:11.06
—
5:24.54
▼ 13.48
—
—
4:51.64
▲ 32.90
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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.