Swimmer profile
Leon Bykov
Male15-16Waukee WavesIA · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
50 Free LCM
37.45
30.43
▲ 7.02
28.93
▲ 1.50
27.37
▲ 1.56
26.64
▲ 0.73
25.91
▲ 0.73
100 Free LCM
1:26.87
1:06.47
▲ 20.40
1:03.25
▲ 3.22
1:00.63
▲ 2.62
57.75
▲ 2.88
58.60
▼ 0.85
200 Free LCM
3:07.98
2:28.86
▲ 39.12
2:18.52
▲ 10.34
2:13.32
▲ 5.20
2:10.75
▲ 2.57
2:11.97
▼ 1.22
400 Free LCM
6:21.29
5:15.42
▲ 65.87
4:55.28
▲ 20.14
4:43.17
▲ 12.11
4:42.13
▲ 1.04
4:50.36
▼ 8.23
800 Free LCM
—
—
10:30.02
10:06.58
▲ 23.44
—
—
1500 Free LCM
—
—
19:58.23
19:29.56
▲ 28.67
—
—
50 Back LCM
41.28
35.55
▲ 5.73
35.06
▲ 0.49
32.86
▲ 2.20
30.44
▲ 2.42
29.17
▲ 1.27
100 Back LCM
1:27.76
1:17.51
▲ 10.25
1:14.50
▲ 3.01
1:09.83
▲ 4.67
1:04.20
▲ 5.63
1:04.23
▼ 0.03
200 Back LCM
3:26.35
2:47.55
▲ 38.80
2:41.25
▲ 6.30
2:34.62
▲ 6.63
2:23.05
▲ 11.57
2:19.64
▲ 3.41
50 Breast LCM
57.47
46.88
▲ 10.59
44.60
▲ 2.28
41.91
▲ 2.69
37.26
▲ 4.65
35.74
▲ 1.52
100 Breast LCM
2:14.55
—
—
1:34.72
▲ 39.83
1:30.86
▲ 3.86
—
50 Fly LCM
52.44
36.52
▲ 15.92
35.36
▲ 1.16
32.37
▲ 2.99
31.33
▲ 1.04
28.78
▲ 2.55
100 Fly LCM
—
1:26.18
—
1:14.29
▲ 11.89
1:14.03
▲ 0.26
1:07.65
▲ 6.38
200 IM LCM
3:43.29
2:56.01
▲ 47.28
3:00.64
▼ 4.63
2:39.32
▲ 21.32
2:28.93
▲ 10.39
2:30.02
▼ 1.09
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.