Swimmer profile
Sierra Kobak
Female17-18Rocket Swim ClubOH · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2015–16
2016–17
2017–18
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
47.29
35.81
▲ 11.48
33.20
▲ 2.61
31.53
▲ 1.67
29.03
▲ 2.50
27.38
▲ 1.65
26.24
▲ 1.14
26.24
± 0.00
25.88
▲ 0.36
25.99
▼ 0.11
25.63
▲ 0.36
100 Free SCY
—
1:30.52
1:21.56
▲ 8.96
—
1:06.73
▲ 14.83
59.53
▲ 7.20
58.13
▲ 1.40
58.71
▼ 0.58
—
56.93
▲ 1.78
56.34
▲ 0.59
200 Free SCY
—
—
—
—
2:24.21
—
2:07.51
▲ 16.70
—
—
—
—
500 Free SCY
—
—
—
—
6:17.92
—
5:47.51
▲ 30.41
—
—
—
—
50 Back SCY
—
—
38.84
35.35
▲ 3.49
35.07
▲ 0.28
30.49
▲ 4.58
—
—
28.30
▲ 2.19
28.21
▲ 0.09
28.04
▲ 0.17
100 Back SCY
—
—
—
—
—
—
1:05.62
1:00.52
▲ 5.10
1:01.09
▼ 0.57
1:02.48
▼ 1.39
1:00.84
▲ 1.64
200 Back SCY
—
—
—
—
—
2:40.16
2:21.72
▲ 18.44
—
—
2:18.65
▲ 3.07
—
50 Breast SCY
—
48.81
43.03
▲ 5.78
39.74
▲ 3.29
34.73
▲ 5.01
33.01
▲ 1.72
31.74
▲ 1.27
31.10
▲ 0.64
31.92
▼ 0.82
—
—
100 Breast SCY
—
1:46.45
1:38.34
▲ 8.11
1:31.45
▲ 6.89
1:17.45
▲ 14.00
1:13.96
▲ 3.49
1:09.33
▲ 4.63
1:07.82
▲ 1.51
1:06.47
▲ 1.35
1:06.24
▲ 0.23
1:06.42
▼ 0.18
200 Breast SCY
—
—
—
—
2:54.25
—
2:26.31
▲ 27.94
2:28.10
▼ 1.79
2:22.75
▲ 5.35
2:26.80
▼ 4.05
2:25.90
▲ 0.90
50 Fly SCY
—
48.19
40.35
▲ 7.84
35.23
▲ 5.12
33.42
▲ 1.81
28.84
▲ 4.58
27.54
▲ 1.30
27.26
▲ 0.28
—
27.46
▼ 0.20
—
100 Fly SCY
—
—
—
—
—
1:11.48
1:01.68
▲ 9.80
59.39
▲ 2.29
59.58
▼ 0.19
59.20
▲ 0.38
59.66
▼ 0.46
200 Fly SCY
—
—
—
—
—
—
—
—
2:18.02
—
2:22.55
▼ 4.53
100 IM SCY
—
—
1:31.38
1:20.34
▲ 11.04
1:12.27
▲ 8.07
1:06.82
▲ 5.45
—
—
1:02.47
▲ 4.35
1:01.99
▲ 0.48
1:00.42
▲ 1.57
200 IM SCY
—
—
—
—
2:32.93
2:22.70
▲ 10.23
2:16.52
▲ 6.18
2:13.12
▲ 3.40
2:09.18
▲ 3.94
2:10.92
▼ 1.74
2:10.21
▲ 0.71
400 IM SCY
—
—
—
—
—
—
—
4:51.29
—
—
—
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.