Swimmer profile
Isaiah Volzke
Male15-16Sioux Falls Swim TeamSD · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2017–18
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
51.72
41.44
▲ 10.28
36.21
▲ 5.23
33.32
▲ 2.89
30.96
▲ 2.36
29.99
▲ 0.97
27.59
▲ 2.40
27.38
▲ 0.21
100 Free LCM
1:54.47
1:37.84
▲ 16.63
1:21.97
▲ 15.87
1:16.26
▲ 5.71
1:07.81
▲ 8.45
1:03.35
▲ 4.46
59.78
▲ 3.57
59.04
▲ 0.74
200 Free LCM
4:36.37
3:44.68
▲ 51.69
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2:49.43
▲ 55.25
2:27.96
▲ 21.47
2:18.57
▲ 9.39
2:10.07
▲ 8.50
2:06.48
▲ 3.59
400 Free LCM
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6:52.43
6:25.94
▲ 26.49
5:30.46
▲ 55.48
5:03.51
▲ 26.95
4:38.33
▲ 25.18
4:32.90
▲ 5.43
800 Free LCM
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—
—
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11:07.81
9:38.79
▲ 89.02
9:21.40
▲ 17.39
1500 Free LCM
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—
—
—
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18:42.06
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50 Back LCM
59.15
51.50
▲ 7.65
45.31
▲ 6.19
41.07
▲ 4.24
39.25
▲ 1.82
38.63
▲ 0.62
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100 Back LCM
2:14.14
1:51.66
▲ 22.48
1:37.40
▲ 14.26
1:28.69
▲ 8.71
1:24.73
▲ 3.96
1:18.84
▲ 5.89
1:11.04
▲ 7.80
1:06.05
▲ 4.99
200 Back LCM
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2:56.36
2:33.34
▲ 23.02
2:23.13
▲ 10.21
50 Breast LCM
1:24.58
1:03.63
▲ 20.95
51.81
▲ 11.82
51.79
▲ 0.02
44.23
▲ 7.56
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100 Breast LCM
3:18.71
2:24.70
▲ 54.01
2:01.28
▲ 23.42
1:47.06
▲ 14.22
1:34.27
▲ 12.79
1:28.13
▲ 6.14
1:23.23
▲ 4.90
1:26.12
▼ 2.89
200 Breast LCM
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3:25.60
3:13.85
▲ 11.75
3:01.94
▲ 11.91
2:58.16
▲ 3.78
50 Fly LCM
58.43
52.56
▲ 5.87
39.52
▲ 13.04
38.52
▲ 1.00
36.20
▲ 2.32
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100 Fly LCM
2:45.22
2:04.00
▲ 41.22
1:33.30
▲ 30.70
1:32.54
▲ 0.76
1:20.38
▲ 12.16
1:18.29
▲ 2.09
1:11.19
▲ 7.10
1:03.61
▲ 7.58
200 Fly LCM
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3:06.65
2:46.85
▲ 19.80
2:35.67
▲ 11.18
2:35.64
▲ 0.03
200 IM LCM
5:09.87
3:59.51
▲ 70.36
3:22.41
▲ 37.10
3:13.25
▲ 9.16
2:57.38
▲ 15.87
2:41.06
▲ 16.32
2:31.25
▲ 9.81
2:31.03
▲ 0.22
400 IM LCM
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6:30.10
5:45.74
▲ 44.36
5:22.07
▲ 23.67
5:21.01
▲ 1.06
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.