Swimmer profile
Katrina Kollin
FemaleOpen / SeniorDublin Community Swim TeamOH · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
30.11
28.87
▲ 1.24
28.60
▲ 0.27
28.12
▲ 0.48
28.43
▼ 0.31
—
100 Free LCM
1:03.85
1:02.67
▲ 1.18
1:01.35
▲ 1.32
1:00.28
▲ 1.07
1:00.36
▼ 0.08
59.51
▲ 0.85
200 Free LCM
2:18.63
2:13.77
▲ 4.86
2:08.77
▲ 5.00
2:06.74
▲ 2.03
2:06.00
▲ 0.74
2:08.02
▼ 2.02
400 Free LCM
4:53.37
4:40.85
▲ 12.52
4:29.01
▲ 11.84
4:26.48
▲ 2.53
4:23.57
▲ 2.91
4:26.18
▼ 2.61
100 Back LCM
1:11.54
1:12.92
▼ 1.38
1:12.90
▲ 0.02
1:10.28
▲ 2.62
1:10.85
▼ 0.57
—
200 Back LCM
2:35.43
2:36.38
▼ 0.95
—
—
2:36.93
▼ 0.55
—
100 Breast LCM
—
1:30.80
1:31.96
▼ 1.16
1:26.54
▲ 5.42
1:31.31
▼ 4.77
—
50 Fly LCM
—
—
—
—
30.10
30.57
▼ 0.47
100 Fly LCM
—
1:12.44
—
1:09.10
▲ 3.34
1:06.80
▲ 2.30
1:07.32
▼ 0.52
200 Fly LCM
—
—
—
—
2:28.83
2:28.14
▲ 0.69
200 IM LCM
2:40.21
2:37.30
▲ 2.91
2:37.24
▲ 0.06
2:32.57
▲ 4.67
2:33.08
▼ 0.51
2:29.86
▲ 3.22
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.