Swimmer profile
Sophia Koski
Female13-14Swim Streamline at NorthamptonGU · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
45.62
40.57
▲ 5.05
35.46
▲ 5.11
32.24
▲ 3.22
30.32
▲ 1.92
29.55
▲ 0.77
100 Free LCM
1:36.56
1:29.98
▲ 6.58
1:20.45
▲ 9.53
1:12.35
▲ 8.10
1:06.58
▲ 5.77
1:05.15
▲ 1.43
200 Free LCM
3:23.18
3:14.30
▲ 8.88
—
—
2:24.32
▲ 49.98
2:19.63
▲ 4.69
400 Free LCM
—
—
—
—
5:07.76
5:02.73
▲ 5.03
800 Free LCM
—
—
—
—
—
9:57.80
50 Back LCM
47.43
46.37
▲ 1.06
39.99
▲ 6.38
35.40
▲ 4.59
32.61
▲ 2.79
32.69
▼ 0.08
100 Back LCM
1:51.57
—
1:29.83
▲ 21.74
1:15.25
▲ 14.58
1:08.49
▲ 6.76
1:06.80
▲ 1.69
200 Back LCM
—
—
—
2:42.47
2:28.26
▲ 14.21
2:24.30
▲ 3.96
50 Breast LCM
1:05.57
57.60
▲ 7.97
—
49.52
▲ 8.08
42.71
▲ 6.81
43.18
▼ 0.47
100 Breast LCM
2:17.69
2:09.51
▲ 8.18
1:56.17
▲ 13.34
—
1:31.44
▲ 24.73
—
200 Breast LCM
—
—
—
—
3:19.51
—
50 Fly LCM
52.66
46.48
▲ 6.18
36.46
▲ 10.02
35.18
▲ 1.28
31.69
▲ 3.49
33.50
▼ 1.81
100 Fly LCM
—
—
1:23.82
1:20.85
▲ 2.97
1:09.97
▲ 10.88
1:11.52
▼ 1.55
200 Fly LCM
—
—
—
—
2:50.27
2:40.86
▲ 9.41
200 IM LCM
3:49.09
—
3:14.94
▲ 34.15
3:00.86
▲ 14.08
2:37.71
▲ 23.15
2:37.56
▲ 0.15
400 IM LCM
—
—
—
—
5:53.20
5:37.49
▲ 15.71
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.