Swimmer profile
Preston Kolberg
Male11-12AquaStormND · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2023–24
2024–25
2025–26
50 Free SCY
43.13
35.16
▲ 7.97
30.60
▲ 4.56
100 Free SCY
1:45.48
1:24.14
▲ 21.34
1:06.66
▲ 17.48
200 Free SCY
—
3:05.60
2:38.58
▲ 27.02
500 Free SCY
—
—
6:54.58
50 Back SCY
46.49
43.88
▲ 2.61
38.79
▲ 5.09
100 Back SCY
1:43.81
1:48.66
▼ 4.85
1:25.53
▲ 23.13
50 Breast SCY
—
52.12
47.01
▲ 5.11
100 Breast SCY
—
1:55.49
—
50 Fly SCY
—
44.68
38.47
▲ 6.21
100 IM SCY
—
1:40.29
1:22.35
▲ 17.94
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.