Swimmer profile
Annika Byyny
Female17-18Univ of Denver HilltoppersCO · 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
36.53
31.26
▲ 5.27
30.56
▲ 0.70
30.03
▲ 0.53
28.91
▲ 1.12
28.60
▲ 0.31
28.29
▲ 0.31
100 Free LCM
1:29.73
1:11.29
▲ 18.44
1:09.16
▲ 2.13
1:05.42
▲ 3.74
1:04.29
▲ 1.13
1:01.81
▲ 2.48
1:03.58
▼ 1.77
200 Free LCM
3:01.54
2:39.27
▲ 22.27
2:33.17
▲ 6.10
2:23.37
▲ 9.80
2:23.75
▼ 0.38
2:25.53
▼ 1.78
2:18.52
▲ 7.01
400 Free LCM
—
5:29.61
5:28.97
▲ 0.64
5:22.22
▲ 6.75
5:10.39
▲ 11.83
5:10.74
▼ 0.35
—
1500 Free LCM
—
—
—
21:11.94
—
—
—
50 Back LCM
44.83
37.13
▲ 7.70
36.17
▲ 0.96
37.46
▼ 1.29
36.32
▲ 1.14
34.58
▲ 1.74
34.42
▲ 0.16
100 Back LCM
1:34.54
1:20.64
▲ 13.90
1:18.75
▲ 1.89
1:14.74
▲ 4.01
1:11.97
▲ 2.77
1:11.46
▲ 0.51
1:11.21
▲ 0.25
200 Back LCM
—
2:58.43
2:47.18
▲ 11.25
2:42.46
▲ 4.72
2:37.07
▲ 5.39
2:39.86
▼ 2.79
2:39.38
▲ 0.48
50 Breast LCM
—
—
48.89
47.68
▲ 1.21
—
43.83
▲ 3.85
43.84
▼ 0.01
100 Breast LCM
1:56.33
1:47.57
▲ 8.76
1:41.77
▲ 5.80
—
1:39.87
▲ 1.90
1:33.97
▲ 5.90
1:35.26
▼ 1.29
200 Breast LCM
—
—
—
3:28.60
—
—
—
50 Fly LCM
40.72
32.60
▲ 8.12
32.05
▲ 0.55
31.74
▲ 0.31
31.54
▲ 0.20
31.22
▲ 0.32
31.19
▲ 0.03
100 Fly LCM
—
1:15.68
1:14.22
▲ 1.46
1:10.07
▲ 4.15
1:08.72
▲ 1.35
1:07.63
▲ 1.09
1:07.09
▲ 0.54
200 Fly LCM
—
3:20.68
2:57.27
▲ 23.41
2:37.29
▲ 19.98
2:46.98
▼ 9.69
2:34.08
▲ 12.90
2:36.22
▼ 2.14
200 IM LCM
3:38.19
3:02.63
▲ 35.56
2:52.19
▲ 10.44
2:49.74
▲ 2.45
2:49.95
▼ 0.21
2:37.42
▲ 12.53
2:42.22
▼ 4.80
400 IM LCM
—
6:41.03
6:06.48
▲ 34.55
5:57.39
▲ 9.09
6:01.80
▼ 4.41
5:37.31
▲ 24.49
5:54.00
▼ 16.69
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.