Swimmer profile
Oliver Koske
Male15-16SlipStream AquaticsCO · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2023–24
2024–25
2025–26
50 Free SCY
27.67
25.68
▲ 1.99
23.55
▲ 2.13
100 Free SCY
—
55.09
50.57
▲ 4.52
200 Free SCY
2:20.93
2:00.75
▲ 20.18
1:51.41
▲ 9.34
500 Free SCY
—
5:23.27
4:48.87
▲ 34.40
1000 Free SCY
—
11:35.76
10:14.37
▲ 81.39
1650 Free SCY
—
18:44.66
17:37.22
▲ 67.44
100 Back SCY
—
1:08.04
58.88
▲ 9.16
200 Back SCY
—
2:26.69
2:08.99
▲ 17.70
100 Breast SCY
—
1:23.74
1:22.11
▲ 1.63
200 Breast SCY
—
—
3:10.90
100 Fly SCY
—
1:02.98
59.15
▲ 3.83
200 Fly SCY
—
2:21.29
2:08.80
▲ 12.49
100 IM SCY
—
—
1:05.24
200 IM SCY
—
2:37.16
2:22.71
▲ 14.45
400 IM SCY
—
5:32.91
5:10.41
▲ 22.50
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.