Swimmer profile
David Zimmerman
Male15-16Roadrunner AquaticCC · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
34.20
29.51
▲ 4.69
27.32
▲ 2.19
25.20
▲ 2.12
25.76
▼ 0.56
100 Free LCM
1:19.94
1:04.61
▲ 15.33
59.92
▲ 4.69
56.78
▲ 3.14
56.41
▲ 0.37
200 Free LCM
—
2:29.72
2:15.62
▲ 14.10
2:02.39
▲ 13.23
2:02.88
▼ 0.49
400 Free LCM
—
5:05.81
4:46.14
▲ 19.67
4:28.46
▲ 17.68
4:30.54
▼ 2.08
800 Free LCM
—
—
—
9:19.04
—
100 Back LCM
—
1:18.85
1:10.78
▲ 8.07
1:04.30
▲ 6.48
—
50 Breast LCM
50.86
—
—
35.24
▲ 15.62
34.70
▲ 0.54
100 Breast LCM
1:57.45
1:32.23
▲ 25.22
1:22.37
▲ 9.86
1:19.46
▲ 2.91
—
50 Fly LCM
41.74
33.78
▲ 7.96
—
27.22
▲ 6.56
27.35
▼ 0.13
100 Fly LCM
—
1:20.63
1:09.35
▲ 11.28
1:01.92
▲ 7.43
—
200 IM LCM
—
2:45.99
2:35.55
▲ 10.44
2:24.67
▲ 10.88
2:27.87
▼ 3.20
400 IM LCM
—
—
—
—
5:09.58
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.