Swimmer profile
David Grunzke
Male17-18AquaStormND · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2016–17
2017–18
2018–19
2019–20
2020–21
2021–22
2024–25
2025–26
50 Free SCY
50.59
40.14
▲ 10.45
40.13
▲ 0.01
35.87
▲ 4.26
34.67
▲ 1.20
—
24.84
▲ 9.83
26.97
▼ 2.13
100 Free SCY
—
1:37.44
1:30.21
▲ 7.23
1:22.01
▲ 8.20
1:18.00
▲ 4.01
—
55.32
▲ 22.68
53.56
▲ 1.76
200 Free SCY
—
—
—
3:01.57
—
—
2:02.21
▲ 59.36
—
500 Free SCY
—
—
—
—
—
6:24.53
—
—
50 Back SCY
58.20
49.23
▲ 8.97
43.80
▲ 5.43
41.72
▲ 2.08
39.11
▲ 2.61
—
28.33
▲ 10.78
26.65
▲ 1.68
100 Back SCY
—
1:43.53
1:39.85
▲ 3.68
1:22.12
▲ 17.73
1:27.79
▼ 5.67
—
1:00.22
▲ 27.57
58.69
▲ 1.53
200 Back SCY
—
—
3:51.94
3:17.97
▲ 33.97
—
—
—
2:10.64
▲ 67.33
50 Breast SCY
—
1:04.15
—
51.51
▲ 12.64
47.70
▲ 3.81
—
—
—
100 Breast SCY
—
—
—
1:50.21
—
—
—
—
50 Fly SCY
—
52.30
52.46
▼ 0.16
46.38
▲ 6.08
43.91
▲ 2.47
—
27.02
▲ 16.89
26.35
▲ 0.67
100 Fly SCY
—
—
—
1:49.51
—
—
1:00.10
▲ 49.41
57.34
▲ 2.76
100 IM SCY
—
1:57.69
1:51.11
▲ 6.58
1:37.58
▲ 13.53
—
—
—
59.09
▲ 38.49
200 IM SCY
—
—
—
3:20.11
—
—
—
—
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.