Swimmer profile
Johanna Timmerman
Female15-16Wahoos of JaxFL · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
38.90
35.05
▲ 3.85
31.97
▲ 3.08
32.82
▼ 0.85
33.05
▼ 0.23
30.52
▲ 2.53
100 Free LCM
1:26.96
1:16.68
▲ 10.28
1:11.35
▲ 5.33
1:08.27
▲ 3.08
1:05.27
▲ 3.00
1:04.66
▲ 0.61
200 Free LCM
3:11.82
2:37.97
▲ 33.85
2:29.06
▲ 8.91
2:24.24
▲ 4.82
2:21.25
▲ 2.99
2:21.63
▼ 0.38
400 Free LCM
—
5:34.05
5:10.41
▲ 23.64
4:58.42
▲ 11.99
4:53.95
▲ 4.47
4:55.02
▼ 1.07
800 Free LCM
—
—
10:41.67
10:44.56
▼ 2.89
10:14.48
▲ 30.08
—
1500 Free LCM
—
—
—
—
19:17.52
18:53.20
▲ 24.32
50 Back LCM
46.81
39.53
▲ 7.28
—
38.05
▲ 1.48
35.67
▲ 2.38
35.24
▲ 0.43
100 Back LCM
1:40.84
1:26.22
▲ 14.62
1:19.70
▲ 6.52
1:21.24
▼ 1.54
1:17.64
▲ 3.60
—
200 Back LCM
—
—
2:49.10
3:01.59
▼ 12.49
2:48.90
▲ 12.69
2:52.28
▼ 3.38
50 Breast LCM
—
55.81
—
—
—
—
50 Fly LCM
52.81
41.87
▲ 10.94
—
—
35.49
▲ 6.38
33.90
▲ 1.59
100 Fly LCM
1:58.28
1:37.67
▲ 20.61
1:30.76
▲ 6.91
—
1:21.13
▲ 9.63
1:16.44
▲ 4.69
200 Fly LCM
—
—
—
—
3:09.30
2:50.74
▲ 18.56
200 IM LCM
3:59.45
3:18.98
▲ 40.47
—
—
2:54.69
▲ 24.29
2:50.30
▲ 4.39
400 IM LCM
—
—
—
—
6:14.02
—
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.