Swimmer profile
Ivar Kostowicz Kostowicz
Male13-14Gulliver Swim ClubFGC · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2022–23
2023–24
2024–25
2025–26
50 Free LCM
35.84
33.48
▲ 2.36
28.42
▲ 5.06
26.73
▲ 1.69
100 Free LCM
1:23.36
1:16.41
▲ 6.95
1:03.77
▲ 12.64
58.94
▲ 4.83
200 Free LCM
3:25.98
2:55.88
▲ 30.10
2:14.83
▲ 41.05
2:07.91
▲ 6.92
400 Free LCM
—
—
4:46.30
4:34.93
▲ 11.37
800 Free LCM
—
—
—
9:54.79
1500 Free LCM
—
—
—
19:16.31
50 Back LCM
52.88
—
37.39
▲ 15.49
—
100 Back LCM
1:45.70
—
1:16.01
▲ 29.69
—
50 Breast LCM
55.32
46.47
▲ 8.85
37.20
▲ 9.27
—
100 Breast LCM
1:58.23
1:42.87
▲ 15.36
1:21.47
▲ 21.40
1:15.40
▲ 6.07
200 Breast LCM
—
—
—
2:51.25
50 Fly LCM
—
—
32.55
—
100 Fly LCM
—
—
1:13.10
1:13.42
▼ 0.32
200 Fly LCM
—
—
—
2:34.91
200 IM LCM
3:34.08
3:22.45
▲ 11.63
2:34.66
▲ 47.79
2:24.97
▲ 9.69
400 IM LCM
—
—
5:22.85
5:05.86
▲ 16.99
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.