Swimmer profile
Maren Koschak
Female13-14North Star Swim TeamMN · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2023–24
2024–25
2025–26
50 Free LCM
35.45
34.86
▲ 0.59
33.15
▲ 1.71
100 Free LCM
1:20.76
1:14.88
▲ 5.88
1:11.26
▲ 3.62
200 Free LCM
3:07.44
2:41.79
▲ 25.65
2:33.55
▲ 8.24
400 Free LCM
—
5:38.67
5:28.63
▲ 10.04
800 Free LCM
—
12:13.83
—
50 Back LCM
41.75
37.80
▲ 3.95
—
100 Back LCM
1:33.85
1:23.10
▲ 10.75
1:21.89
▲ 1.21
200 Back LCM
3:13.74
2:54.33
▲ 19.41
2:46.19
▲ 8.14
50 Breast LCM
—
—
50.00
100 Breast LCM
2:08.54
1:41.02
▲ 27.52
1:41.04
▼ 0.02
50 Fly LCM
—
—
36.47
100 Fly LCM
—
1:37.16
—
200 IM LCM
3:27.74
3:04.59
▲ 23.15
—
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.