Swimmer profile
Clayton Marks
Male15-16UnattachedIA · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2022–23
2023–24
2024–25
2025–26
50 Free LCM
32.16
29.08
▲ 3.08
27.51
▲ 1.57
27.93
▼ 0.42
100 Free LCM
1:12.30
1:07.72
▲ 4.58
1:00.68
▲ 7.04
1:03.02
▼ 2.34
200 Free LCM
2:41.41
2:39.10
▲ 2.31
2:25.41
▲ 13.69
2:26.70
▼ 1.29
400 Free LCM
6:15.00
—
5:30.70
▲ 44.30
—
50 Back LCM
39.34
—
36.35
▲ 2.99
34.64
▲ 1.71
100 Back LCM
1:29.20
1:27.18
▲ 2.02
—
—
50 Breast LCM
45.69
42.44
▲ 3.25
41.89
▲ 0.55
43.04
▼ 1.15
100 Breast LCM
—
1:37.85
—
—
50 Fly LCM
38.04
34.02
▲ 4.02
30.24
▲ 3.78
31.08
▼ 0.84
100 Fly LCM
—
1:15.70
1:07.89
▲ 7.81
1:11.19
▼ 3.30
200 IM LCM
3:13.41
2:52.76
▲ 20.65
2:47.86
▲ 4.90
—
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.