Swimmer profile
Colin Brennan
Male17-18Quicksilver SwimmingPC · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2022–23
2023–24
2024–25
2025–26
50 Free LCM
29.34
28.94
▲ 0.40
27.11
▲ 1.83
26.76
▲ 0.35
100 Free LCM
—
1:02.43
59.11
▲ 3.32
1:01.79
▼ 2.68
200 Free LCM
2:26.89
2:17.53
▲ 9.36
2:11.91
▲ 5.62
2:15.06
▼ 3.15
400 Free LCM
5:15.58
5:04.59
▲ 10.99
—
—
50 Back LCM
35.87
—
31.77
▲ 4.10
—
100 Back LCM
1:17.66
—
1:10.16
▲ 7.50
1:10.42
▼ 0.26
200 Back LCM
—
2:39.54
—
—
50 Fly LCM
33.29
—
29.54
▲ 3.75
28.08
▲ 1.46
100 Fly LCM
—
1:12.38
1:05.67
▲ 6.71
1:03.93
▲ 1.74
200 IM LCM
—
2:38.25
2:29.42
▲ 8.83
—
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.