Swimmer profile
Oliver Koske
Male15-16SlipStream AquaticsCO · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2023–24
2024–25
2025–26
50 Free LCM
30.43
28.30
▲ 2.13
26.85
▲ 1.45
100 Free LCM
—
1:01.80
59.60
▲ 2.20
200 Free LCM
—
2:13.31
2:08.73
▲ 4.58
400 Free LCM
—
4:38.61
4:24.00
▲ 14.61
800 Free LCM
—
9:39.82
9:28.41
▲ 11.41
1500 Free LCM
—
18:28.48
17:49.10
▲ 39.38
50 Back LCM
—
34.45
32.88
▲ 1.57
100 Back LCM
1:29.59
1:13.59
▲ 16.00
1:08.92
▲ 4.67
200 Back LCM
—
2:34.64
2:28.96
▲ 5.68
50 Breast LCM
—
47.46
—
100 Breast LCM
—
1:43.70
—
50 Fly LCM
—
32.03
29.72
▲ 2.31
100 Fly LCM
—
1:12.34
1:07.55
▲ 4.79
200 Fly LCM
—
2:59.80
2:45.85
▲ 13.95
200 IM LCM
—
2:41.26
—
400 IM LCM
—
6:32.71
—
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.