Swimmer profile
Luke Knapschaefer
Male15-16Mason Manta RaysOH · 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
48.47
39.40
▲ 9.07
34.65
▲ 4.75
32.57
▲ 2.08
30.00
▲ 2.57
28.82
▲ 1.18
27.59
▲ 1.23
26.79
▲ 0.80
100 Free LCM
2:07.07
1:36.58
▲ 30.49
1:18.81
▲ 17.77
1:12.66
▲ 6.15
1:07.05
▲ 5.61
1:04.55
▲ 2.50
1:00.58
▲ 3.97
1:00.75
▼ 0.17
200 Free LCM
—
3:39.39
2:50.25
▲ 49.14
2:42.67
▲ 7.58
2:28.80
▲ 13.87
2:23.28
▲ 5.52
2:13.63
▲ 9.65
2:18.27
▼ 4.64
400 Free LCM
—
—
—
5:58.90
5:10.87
▲ 48.03
5:06.75
▲ 4.12
4:49.18
▲ 17.57
4:51.72
▼ 2.54
50 Back LCM
54.43
43.63
▲ 10.80
38.51
▲ 5.12
37.00
▲ 1.51
36.89
▲ 0.11
—
38.51
▼ 1.62
31.73
▲ 6.78
100 Back LCM
2:02.84
1:48.65
▲ 14.19
1:26.73
▲ 21.92
1:21.59
▲ 5.14
1:20.29
▲ 1.30
1:18.69
▲ 1.60
1:16.19
▲ 2.50
1:11.63
▲ 4.56
200 Back LCM
—
—
—
2:53.48
2:50.38
▲ 3.10
2:44.38
▲ 6.00
2:45.38
▼ 1.00
—
50 Breast LCM
1:21.86
1:11.47
▲ 10.39
53.24
▲ 18.23
48.97
▲ 4.27
48.03
▲ 0.94
51.13
▼ 3.10
—
38.78
▲ 12.35
100 Breast LCM
—
2:47.89
—
1:47.71
▲ 60.18
1:48.08
▼ 0.37
1:46.23
▲ 1.85
1:35.85
▲ 10.38
1:24.24
▲ 11.61
200 Breast LCM
—
—
—
3:49.29
—
3:37.17
▲ 12.12
3:24.81
▲ 12.36
3:10.31
▲ 14.50
50 Fly LCM
1:20.94
1:03.78
▲ 17.16
40.88
▲ 22.90
36.23
▲ 4.65
33.96
▲ 2.27
34.40
▼ 0.44
32.94
▲ 1.46
29.81
▲ 3.13
100 Fly LCM
—
—
1:48.22
1:33.87
▲ 14.35
1:20.42
▲ 13.45
1:19.91
▲ 0.51
1:14.63
▲ 5.28
1:09.27
▲ 5.36
200 IM LCM
—
—
3:24.60
3:09.09
▲ 15.51
2:57.47
▲ 11.62
2:52.60
▲ 4.87
2:45.27
▲ 7.33
2:38.47
▲ 6.80
400 IM LCM
—
—
—
6:49.38
—
—
—
5:51.54
▲ 57.84
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.