Swimmer profile
Zack Petersen
Male15-16Academy Bullets Swim ClubIL · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
32.11
28.92
▲ 3.19
27.41
▲ 1.51
26.67
▲ 0.74
25.97
▲ 0.70
25.85
▲ 0.12
100 Free LCM
1:11.83
1:05.81
▲ 6.02
1:00.06
▲ 5.75
57.53
▲ 2.53
56.61
▲ 0.92
55.09
▲ 1.52
200 Free LCM
2:34.68
2:27.77
▲ 6.91
2:11.17
▲ 16.60
2:07.95
▲ 3.22
2:01.43
▲ 6.52
2:02.88
▼ 1.45
400 Free LCM
5:38.23
5:09.00
▲ 29.23
4:36.05
▲ 32.95
4:42.21
▼ 6.16
4:28.13
▲ 14.08
4:29.44
▼ 1.31
800 Free LCM
11:05.20
10:32.11
▲ 33.09
9:54.94
▲ 37.17
9:51.32
▲ 3.62
9:45.22
▲ 6.10
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1500 Free LCM
—
20:27.41
19:53.73
▲ 33.68
18:28.69
▲ 85.04
18:18.57
▲ 10.12
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50 Back LCM
39.53
36.15
▲ 3.38
—
—
30.74
▲ 5.41
31.69
▼ 0.95
100 Back LCM
1:25.03
1:15.56
▲ 9.47
1:07.51
▲ 8.05
1:05.42
▲ 2.09
1:02.33
▲ 3.09
1:01.41
▲ 0.92
200 Back LCM
3:00.40
2:40.91
▲ 19.49
2:26.06
▲ 14.85
2:22.67
▲ 3.39
2:18.45
▲ 4.22
2:26.46
▼ 8.01
50 Breast LCM
44.69
41.44
▲ 3.25
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—
—
34.95
▲ 6.49
100 Breast LCM
1:37.59
1:28.25
▲ 9.34
1:21.88
▲ 6.37
1:21.45
▲ 0.43
1:19.03
▲ 2.42
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200 Breast LCM
—
3:10.63
2:55.98
▲ 14.65
—
—
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50 Fly LCM
37.82
34.28
▲ 3.54
—
—
29.75
▲ 4.53
—
100 Fly LCM
1:24.69
1:16.64
▲ 8.05
1:14.97
▲ 1.67
1:08.39
▲ 6.58
1:05.16
▲ 3.23
1:01.71
▲ 3.45
200 Fly LCM
3:19.66
3:02.41
▲ 17.25
2:56.14
▲ 6.27
2:29.25
▲ 26.89
2:37.87
▼ 8.62
2:39.25
▼ 1.38
200 IM LCM
3:03.45
2:44.12
▲ 19.33
2:29.82
▲ 14.30
2:24.51
▲ 5.31
2:21.60
▲ 2.91
2:18.37
▲ 3.23
400 IM LCM
6:25.24
5:54.16
▲ 31.08
5:45.57
▲ 8.59
5:13.47
▲ 32.10
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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.