Swimmer profile
Hollis Collier
Male11-12River City AquaticsOZ · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2018–19
2019–20
2020–21
2021–22
2024–25
2025–26
50 Free SCY
1:11.08
46.87
▲ 24.21
43.19
▲ 3.68
36.79
▲ 6.40
30.77
▲ 6.02
30.12
▲ 0.65
100 Free SCY
2:43.18
1:49.46
▲ 53.72
—
1:26.84
▲ 22.62
1:07.84
▲ 19.00
—
200 Free SCY
—
—
—
3:17.11
—
—
50 Back SCY
1:17.11
55.09
▲ 22.02
54.04
▲ 1.05
46.77
▲ 7.27
39.04
▲ 7.73
34.88
▲ 4.16
100 Back SCY
—
2:06.45
—
1:41.76
▲ 24.69
1:20.59
▲ 21.17
—
50 Breast SCY
1:39.10
1:02.52
▲ 36.58
1:03.51
▼ 0.99
49.68
▲ 13.83
42.34
▲ 7.34
—
100 Breast SCY
—
2:26.77
—
1:44.85
▲ 41.92
1:35.10
▲ 9.75
1:28.71
▲ 6.39
50 Fly SCY
—
57.46
1:00.72
▼ 3.26
46.48
▲ 14.24
37.69
▲ 8.79
—
100 Fly SCY
—
—
—
1:54.24
1:31.75
▲ 22.49
1:21.64
▲ 10.11
100 IM SCY
—
2:01.81
—
1:38.11
▲ 23.70
1:19.87
▲ 18.24
—
200 IM SCY
—
—
4:12.17
3:34.35
▲ 37.82
—
—
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.