Swimmer profile
Maggie Costello
Female17-18Ozaukee AquaticsWI · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2023–24
2024–25
2025–26
50 Free LCM
33.64
31.87
▲ 1.77
—
100 Free LCM
1:12.21
1:07.39
▲ 4.82
—
200 Free LCM
2:41.15
2:21.42
▲ 19.73
2:26.34
▼ 4.92
400 Free LCM
5:08.77
4:51.51
▲ 17.26
—
800 Free LCM
—
9:58.44
10:06.77
▼ 8.33
1500 Free LCM
20:25.19
18:50.06
▲ 95.13
19:14.62
▼ 24.56
100 Back LCM
1:21.04
1:17.03
▲ 4.01
—
200 Back LCM
2:57.86
2:41.99
▲ 15.87
2:40.13
▲ 1.86
100 Breast LCM
1:37.03
—
—
200 Breast LCM
3:23.24
3:05.57
▲ 17.67
3:04.40
▲ 1.17
100 Fly LCM
—
1:15.61
1:15.81
▼ 0.20
200 Fly LCM
—
—
2:48.32
200 IM LCM
2:53.96
2:38.71
▲ 15.25
2:38.64
▲ 0.07
400 IM LCM
6:08.97
5:36.44
▲ 32.53
5:41.47
▼ 5.03
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.