Swimmer profile
Isaac Jakub
Male15-16Billings Aquatic ClubMT · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
44.61
39.17
▲ 5.44
34.40
▲ 4.77
34.39
▲ 0.01
31.07
▲ 3.32
30.30
▲ 0.77
29.05
▲ 1.25
100 Free LCM
1:41.65
1:25.07
▲ 16.58
1:17.40
▲ 7.67
1:12.86
▲ 4.54
1:09.31
▲ 3.55
1:05.67
▲ 3.64
1:04.20
▲ 1.47
200 Free LCM
3:51.54
3:01.09
▲ 50.45
2:46.16
▲ 14.93
2:34.09
▲ 12.07
2:28.30
▲ 5.79
2:23.34
▲ 4.96
2:23.14
▲ 0.20
400 Free LCM
—
6:16.33
5:46.20
▲ 30.13
5:27.64
▲ 18.56
5:07.25
▲ 20.39
4:59.68
▲ 7.57
4:52.67
▲ 7.01
800 Free LCM
—
—
12:29.73
11:26.28
▲ 63.45
10:33.38
▲ 52.90
10:57.54
▼ 24.16
—
1500 Free LCM
—
—
—
21:52.94
20:17.28
▲ 95.66
20:13.53
▲ 3.75
—
50 Back LCM
53.56
46.69
▲ 6.87
44.39
▲ 2.30
40.53
▲ 3.86
—
—
34.67
▲ 5.86
100 Back LCM
1:57.98
1:39.16
▲ 18.82
1:31.24
▲ 7.92
1:29.43
▲ 1.81
1:20.83
▲ 8.60
1:19.73
▲ 1.10
1:12.43
▲ 7.30
200 Back LCM
—
—
—
3:07.16
2:51.98
▲ 15.18
2:49.56
▲ 2.42
2:37.79
▲ 11.77
50 Breast LCM
1:01.81
52.44
▲ 9.37
46.04
▲ 6.40
46.45
▼ 0.41
—
—
36.76
▲ 9.69
100 Breast LCM
2:18.55
1:53.39
▲ 25.16
1:39.55
▲ 13.84
1:42.92
▼ 3.37
1:29.27
▲ 13.65
1:26.58
▲ 2.69
1:22.35
▲ 4.23
200 Breast LCM
—
—
3:43.83
3:38.26
▲ 5.57
3:05.61
▲ 32.65
3:15.12
▼ 9.51
2:55.94
▲ 19.18
50 Fly LCM
—
44.99
41.76
▲ 3.23
39.88
▲ 1.88
36.47
▲ 3.41
—
32.44
▲ 4.03
100 Fly LCM
—
—
1:45.41
1:29.93
▲ 15.48
1:20.65
▲ 9.28
1:20.22
▲ 0.43
1:15.29
▲ 4.93
200 Fly LCM
—
—
—
—
2:56.34
2:56.32
▲ 0.02
2:54.84
▲ 1.48
200 IM LCM
—
3:35.88
3:29.24
▲ 6.64
2:57.12
▲ 32.12
2:50.19
▲ 6.93
2:43.39
▲ 6.80
2:34.49
▲ 8.90
400 IM LCM
—
—
—
6:36.29
5:52.92
▲ 43.37
5:47.71
▲ 5.21
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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.