Swimmer profile
Greydon Pieroni
Male17-18Duneland Swim ClubIN · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2017–18
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
1:02.05
34.20
▲ 27.85
28.33
▲ 5.87
27.15
▲ 1.18
25.05
▲ 2.10
23.13
▲ 1.92
23.79
▼ 0.66
100 Free SCY
—
1:18.01
1:04.55
▲ 13.46
1:00.04
▲ 4.51
55.03
▲ 5.01
49.74
▲ 5.29
48.69
▲ 1.05
200 Free SCY
—
3:02.74
2:21.53
▲ 41.21
2:10.69
▲ 10.84
2:00.76
▲ 9.93
1:50.49
▲ 10.27
1:43.27
▲ 7.22
500 Free SCY
—
—
—
5:56.60
5:37.19
▲ 19.41
—
—
50 Back SCY
1:08.44
42.88
▲ 25.56
35.36
▲ 7.52
34.14
▲ 1.22
30.52
▲ 3.62
31.31
▼ 0.79
27.04
▲ 4.27
100 Back SCY
—
—
1:11.54
1:07.15
▲ 4.39
1:01.92
▲ 5.23
55.21
▲ 6.71
53.25
▲ 1.96
50 Breast SCY
—
—
42.58
41.09
▲ 1.49
39.17
▲ 1.92
36.02
▲ 3.15
32.81
▲ 3.21
100 Breast SCY
—
—
1:32.38
1:24.10
▲ 8.28
1:25.40
▼ 1.30
1:22.32
▲ 3.08
1:06.31
▲ 16.01
50 Fly SCY
—
42.94
35.27
▲ 7.67
29.88
▲ 5.39
27.20
▲ 2.68
26.46
▲ 0.74
24.20
▲ 2.26
100 Fly SCY
—
—
—
1:06.55
58.81
▲ 7.74
53.86
▲ 4.95
50.52
▲ 3.34
200 Fly SCY
—
—
—
—
2:24.99
—
1:53.99
▲ 31.00
100 IM SCY
—
—
—
—
—
1:07.52
—
200 IM SCY
—
—
—
2:24.09
2:16.32
▲ 7.77
2:05.65
▲ 10.67
2:00.27
▲ 5.38
400 IM SCY
—
—
—
5:19.92
4:57.39
▲ 22.53
—
4:31.17
▲ 26.22
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.