Swimmer profile
Koko Bratanov
MaleOpen / SeniorTexas Ford AquaticsNT · SOUTHERN
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 LCM
23.84
23.55
▲ 0.29
22.60
▲ 0.95
22.54
▲ 0.06
23.18
▼ 0.64
22.24
▲ 0.94
22.33
▼ 0.09
22.64
▼ 0.31
22.04
▲ 0.60
22.38
▼ 0.34
22.53
▼ 0.15
100 Free LCM
52.78
52.11
▲ 0.67
50.76
▲ 1.35
51.54
▼ 0.78
51.86
▼ 0.32
49.73
▲ 2.13
50.51
▼ 0.78
51.46
▼ 0.95
49.10
▲ 2.36
50.01
▼ 0.91
50.52
▼ 0.51
200 Free LCM
2:03.68
—
1:54.22
▲ 9.46
—
—
1:50.23
▲ 3.99
—
1:54.53
▼ 4.30
1:53.18
▲ 1.35
—
—
400 Free LCM
4:33.96
—
4:33.67
▲ 0.29
—
—
—
4:18.24
▲ 15.43
—
—
—
—
100 Back LCM
1:05.59
—
—
—
—
—
—
—
—
—
—
200 Back LCM
2:19.69
—
—
—
—
—
—
—
—
—
—
50 Breast LCM
—
30.77
—
—
—
—
—
—
—
—
27.82
▲ 2.95
100 Breast LCM
1:07.04
1:06.61
▲ 0.43
1:03.73
▲ 2.88
—
—
1:02.82
▲ 0.91
—
1:04.81
▼ 1.99
—
—
1:02.36
▲ 2.45
200 Breast LCM
2:25.94
2:25.28
▲ 0.66
2:22.94
▲ 2.34
2:20.50
▲ 2.44
—
—
—
—
—
—
—
50 Fly LCM
—
—
—
—
—
—
—
—
—
—
24.63
100 Fly LCM
—
—
1:00.02
—
—
—
—
—
—
—
—
200 Fly LCM
2:43.35
—
—
—
—
—
—
—
—
—
—
200 IM LCM
2:12.40
2:10.65
▲ 1.75
2:03.42
▲ 7.23
2:03.91
▼ 0.49
2:05.26
▼ 1.35
2:01.37
▲ 3.89
2:01.22
▲ 0.15
2:07.79
▼ 6.57
—
—
—
400 IM LCM
4:41.51
—
—
—
—
—
—
—
—
—
—
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.