Swimmer profile
Derek Halas
MaleOpen / SeniorSan Ramon Valley AquaticsPC · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2011–12
2013–14
2014–15
2015–16
2016–17
2017–18
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
50 Free SCY
36.80
—
31.48
▲ 5.32
28.35
▲ 3.13
26.79
▲ 1.56
25.44
▲ 1.35
25.62
▼ 0.18
25.16
▲ 0.46
—
25.22
▼ 0.06
—
—
—
100 Free SCY
1:24.38
1:17.33
▲ 7.05
1:08.71
▲ 8.62
1:01.49
▲ 7.22
56.89
▲ 4.60
54.90
▲ 1.99
55.23
▼ 0.33
—
—
—
54.01
▲ 1.22
53.80
▲ 0.21
—
200 Free SCY
—
—
2:30.95
2:12.39
▲ 18.56
2:02.95
▲ 9.44
1:54.35
▲ 8.60
1:53.09
▲ 1.26
1:50.82
▲ 2.27
—
—
1:52.97
▼ 2.15
1:50.97
▲ 2.00
—
500 Free SCY
—
—
—
—
5:24.31
5:03.53
▲ 20.78
4:55.76
▲ 7.77
4:54.08
▲ 1.68
4:59.23
▼ 5.15
4:49.28
▲ 9.95
4:48.92
▲ 0.36
4:49.73
▼ 0.81
4:54.26
▼ 4.53
1000 Free SCY
—
—
—
—
11:17.59
10:30.03
▲ 47.56
10:38.27
▼ 8.24
9:56.48
▲ 41.79
10:06.89
▼ 10.41
9:54.54
▲ 12.35
9:53.83
▲ 0.71
9:49.99
▲ 3.84
10:04.78
▼ 14.79
1650 Free SCY
—
—
—
—
—
17:44.03
17:11.56
▲ 32.47
16:45.81
▲ 25.75
—
16:31.77
▲ 14.04
16:45.11
▼ 13.34
16:34.59
▲ 10.52
16:48.72
▼ 14.13
50 Back SCY
49.91
—
39.89
▲ 10.02
—
—
—
—
—
—
—
—
—
—
100 Back SCY
—
—
1:19.89
1:14.25
▲ 5.64
1:13.20
▲ 1.05
—
—
—
—
—
—
—
—
50 Breast SCY
49.48
—
—
—
—
—
—
—
—
—
—
—
—
100 Breast SCY
1:54.32
1:35.72
▲ 18.60
1:27.22
▲ 8.50
1:17.71
▲ 9.51
1:14.92
▲ 2.79
1:10.70
▲ 4.22
1:08.26
▲ 2.44
1:11.48
▼ 3.22
—
—
—
—
—
200 Breast SCY
—
—
—
2:44.36
2:38.91
▲ 5.45
2:34.88
▲ 4.03
2:26.57
▲ 8.31
2:29.49
▼ 2.92
—
—
—
—
—
100 Fly SCY
—
—
1:26.87
1:17.55
▲ 9.32
1:05.62
▲ 11.93
1:01.30
▲ 4.32
1:02.08
▼ 0.78
58.79
▲ 3.29
—
—
—
—
58.68
▲ 0.11
200 Fly SCY
—
—
—
—
2:25.39
—
—
2:05.64
▲ 19.75
—
—
2:11.35
▼ 5.71
2:08.97
▲ 2.38
2:09.20
▼ 0.23
100 IM SCY
1:35.34
—
—
—
—
—
—
—
—
—
—
—
1:00.86
▲ 34.48
200 IM SCY
—
—
2:44.50
2:29.86
▲ 14.64
2:22.30
▲ 7.56
2:17.72
▲ 4.58
2:11.63
▲ 6.09
2:12.64
▼ 1.01
—
2:10.56
▲ 2.08
2:09.82
▲ 0.74
2:11.50
▼ 1.68
—
400 IM SCY
—
—
—
—
4:53.29
—
—
4:21.96
▲ 31.33
—
4:27.01
▼ 5.05
4:22.40
▲ 4.61
4:17.17
▲ 5.23
4:19.75
▼ 2.58
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.