Swimmer profile
Marek Sikora
Male15-16Mundelein Mustang Swim ClubIL · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
43.17
33.45
▲ 9.72
31.11
▲ 2.34
30.96
▲ 0.15
29.33
▲ 1.63
27.62
▲ 1.71
26.15
▲ 1.47
100 Free LCM
1:36.94
1:15.36
▲ 21.58
1:08.98
▲ 6.38
1:07.78
▲ 1.20
1:04.51
▲ 3.27
1:00.43
▲ 4.08
59.89
▲ 0.54
200 Free LCM
—
2:41.78
—
2:27.48
▲ 14.30
2:18.76
▲ 8.72
2:10.18
▲ 8.58
2:16.38
▼ 6.20
400 Free LCM
—
5:45.80
5:14.68
▲ 31.12
5:13.48
▲ 1.20
4:55.20
▲ 18.28
4:42.34
▲ 12.86
—
800 Free LCM
—
—
10:41.91
10:37.78
▲ 4.13
9:59.76
▲ 38.02
—
—
1500 Free LCM
—
—
—
20:36.30
18:47.19
▲ 109.11
—
—
50 Back LCM
44.16
39.15
▲ 5.01
35.35
▲ 3.80
35.54
▼ 0.19
—
—
—
100 Back LCM
1:36.94
1:26.31
▲ 10.63
1:17.37
▲ 8.94
1:15.75
▲ 1.62
1:09.30
▲ 6.45
1:07.09
▲ 2.21
1:05.55
▲ 1.54
200 Back LCM
—
—
2:43.59
2:37.96
▲ 5.63
2:26.89
▲ 11.07
2:24.38
▲ 2.51
2:32.41
▼ 8.03
50 Breast LCM
55.79
43.85
▲ 11.94
38.67
▲ 5.18
38.97
▼ 0.30
—
32.97
▲ 6.00
—
100 Breast LCM
2:04.67
1:39.70
▲ 24.97
1:29.12
▲ 10.58
1:25.48
▲ 3.64
1:20.86
▲ 4.62
1:11.74
▲ 9.12
1:09.95
▲ 1.79
200 Breast LCM
—
—
3:12.74
3:07.62
▲ 5.12
2:55.42
▲ 12.20
2:34.32
▲ 21.10
2:34.65
▼ 0.33
50 Fly LCM
49.65
41.31
▲ 8.34
35.25
▲ 6.06
—
34.53
▲ 0.72
—
—
100 Fly LCM
—
1:44.87
1:26.95
▲ 17.92
1:17.72
▲ 9.23
1:12.41
▲ 5.31
1:04.92
▲ 7.49
1:03.66
▲ 1.26
200 Fly LCM
—
—
—
3:10.93
2:54.81
▲ 16.12
2:51.18
▲ 3.63
—
200 IM LCM
—
3:10.40
2:46.90
▲ 23.50
2:41.86
▲ 5.04
2:43.37
▼ 1.51
2:22.72
▲ 20.65
2:21.62
▲ 1.10
400 IM LCM
—
—
—
—
5:21.50
5:05.81
▲ 15.69
5:05.41
▲ 0.40
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.