Swimmer profile
Karl Grozdanov Jansen
Male13-14Lubbock Swim ClubWT · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2017–18
2018–19
2020–21
2022–23
2023–24
2024–25
50 Free LCM
1:10.94
53.10
▲ 17.84
40.01
▲ 13.09
36.14
▲ 3.87
32.24
▲ 3.90
29.36
▲ 2.88
100 Free LCM
—
2:04.10
—
1:23.42
▲ 40.68
1:11.24
▲ 12.18
1:04.64
▲ 6.60
200 Free LCM
—
—
3:30.39
2:58.23
▲ 32.16
2:42.12
▲ 16.11
2:29.71
▲ 12.41
50 Back LCM
—
57.81
46.90
▲ 10.91
—
—
—
100 Back LCM
—
—
1:41.47
1:38.50
▲ 2.97
1:26.92
▲ 11.58
1:23.06
▲ 3.86
50 Breast LCM
—
—
50.49
—
44.53
▲ 5.96
—
100 Breast LCM
—
—
1:52.03
1:54.53
▼ 2.50
—
1:34.22
▲ 20.31
50 Fly LCM
—
1:26.28
—
—
36.93
▲ 49.35
—
100 Fly LCM
—
—
—
1:31.91
1:27.43
▲ 4.48
1:20.70
▲ 6.73
200 Fly LCM
—
—
—
—
3:27.16
—
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.