Swimmer profile
Preston Hartley
Male11-12Swim ColumbusMS · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2023–24
2024–25
2025–26
50 Free LCM
51.00
36.90
▲ 14.10
35.55
▲ 1.35
100 Free LCM
1:56.49
1:21.02
▲ 35.47
1:18.60
▲ 2.42
200 Free LCM
—
3:08.37
3:08.87
▼ 0.50
400 Free LCM
—
—
6:44.33
50 Back LCM
1:11.94
47.29
▲ 24.65
43.98
▲ 3.31
100 Back LCM
2:35.29
—
—
50 Breast LCM
1:02.70
48.45
▲ 14.25
45.47
▲ 2.98
100 Breast LCM
2:19.03
1:43.36
▲ 35.67
1:42.36
▲ 1.00
50 Fly LCM
—
49.26
45.07
▲ 4.19
200 IM LCM
—
—
3:24.51
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.