Swimmer profile
Zach Larson
Male13-14Denver Swim AcademyCO · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
37.76
34.47
▲ 3.29
31.91
▲ 2.56
27.41
▲ 4.50
28.50
▼ 1.09
100 Free LCM
1:29.51
1:17.40
▲ 12.11
1:10.00
▲ 7.40
1:03.51
▲ 6.49
1:02.25
▲ 1.26
200 Free LCM
3:17.31
2:48.39
▲ 28.92
2:35.53
▲ 12.86
2:30.16
▲ 5.37
—
400 Free LCM
—
6:04.51
5:29.22
▲ 35.29
5:13.42
▲ 15.80
—
50 Back LCM
46.47
40.71
▲ 5.76
38.30
▲ 2.41
—
34.26
▲ 4.04
100 Back LCM
—
1:29.09
1:23.01
▲ 6.08
1:17.74
▲ 5.27
1:14.31
▲ 3.43
200 Back LCM
—
—
2:52.77
—
2:40.71
▲ 12.06
50 Breast LCM
51.81
45.90
▲ 5.91
37.63
▲ 8.27
36.81
▲ 0.82
36.07
▲ 0.74
100 Breast LCM
1:52.16
1:38.89
▲ 13.27
1:26.33
▲ 12.56
1:22.27
▲ 4.06
1:20.64
▲ 1.63
200 Breast LCM
3:50.57
3:25.10
▲ 25.47
3:05.24
▲ 19.86
3:02.55
▲ 2.69
3:04.53
▼ 1.98
50 Fly LCM
51.06
47.57
▲ 3.49
36.72
▲ 10.85
32.38
▲ 4.34
32.88
▼ 0.50
100 Fly LCM
—
1:47.36
—
—
—
200 IM LCM
3:32.60
3:09.41
▲ 23.19
2:47.44
▲ 21.97
2:40.53
▲ 6.91
2:39.50
▲ 1.03
400 IM LCM
—
—
6:25.68
—
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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.