Swimmer profile
Mary-Kate Johanneman
Female11-12FASTIN · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
55.62
43.21
▲ 12.41
37.86
▲ 5.35
33.62
▲ 4.24
31.25
▲ 2.37
100 Free LCM
2:05.22
1:42.51
▲ 22.71
1:24.29
▲ 18.22
1:19.19
▲ 5.10
1:11.20
▲ 7.99
200 Free LCM
—
4:08.42
3:07.74
▲ 60.68
2:50.57
▲ 17.17
2:46.35
▲ 4.22
400 Free LCM
—
—
—
—
5:42.74
50 Back LCM
57.21
51.12
▲ 6.09
46.89
▲ 4.23
42.97
▲ 3.92
38.67
▲ 4.30
100 Back LCM
2:10.69
1:50.40
▲ 20.29
1:36.90
▲ 13.50
1:29.70
▲ 7.20
1:23.56
▲ 6.14
50 Breast LCM
1:15.15
1:04.01
▲ 11.14
47.93
▲ 16.08
44.13
▲ 3.80
42.68
▲ 1.45
100 Breast LCM
2:33.49
2:11.35
▲ 22.14
1:50.28
▲ 21.07
1:39.65
▲ 10.63
1:38.94
▲ 0.71
200 Breast LCM
—
—
—
3:46.02
—
50 Fly LCM
—
1:08.10
41.16
▲ 26.94
36.74
▲ 4.42
32.90
▲ 3.84
100 Fly LCM
—
2:56.70
1:40.56
▲ 76.14
1:27.66
▲ 12.90
1:18.66
▲ 9.00
200 IM LCM
—
—
3:30.87
—
2:54.12
▲ 36.75
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.