Swimmer profile
Jackson Zweifel
Male11-12Viking Swim ClubAK · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
25 Free SCY
—
—
19.78
—
—
—
50 Free SCY
51.77
38.82
▲ 12.95
34.98
▲ 3.84
31.73
▲ 3.25
30.40
▲ 1.33
28.29
▲ 2.11
100 Free SCY
—
1:37.65
1:21.81
▲ 15.84
1:06.75
▲ 15.06
1:03.61
▲ 3.14
58.13
▲ 5.48
200 Free SCY
—
—
3:01.70
2:28.29
▲ 33.41
2:23.88
▲ 4.41
2:26.40
▼ 2.52
500 Free SCY
—
—
—
6:43.49
6:53.48
▼ 9.99
6:25.77
▲ 27.71
1650 Free SCY
—
—
—
—
—
21:44.20
25 Back SCY
—
—
21.04
—
—
—
50 Back SCY
1:09.41
51.15
▲ 18.26
44.14
▲ 7.01
43.27
▲ 0.87
36.48
▲ 6.79
33.47
▲ 3.01
100 Back SCY
—
—
1:42.88
1:34.32
▲ 8.56
1:23.37
▲ 10.95
1:11.27
▲ 12.10
200 Back SCY
—
—
—
—
—
2:51.87
25 Breast SCY
—
—
22.29
—
—
—
50 Breast SCY
—
52.51
44.34
▲ 8.17
38.33
▲ 6.01
35.85
▲ 2.48
33.06
▲ 2.79
100 Breast SCY
—
1:56.51
1:36.77
▲ 19.74
1:24.43
▲ 12.34
1:19.72
▲ 4.71
1:14.41
▲ 5.31
200 Breast SCY
—
—
—
3:01.94
2:55.74
▲ 6.20
2:43.40
▲ 12.34
25 Fly SCY
—
—
21.74
—
—
—
50 Fly SCY
—
—
44.65
36.39
▲ 8.26
32.90
▲ 3.49
31.14
▲ 1.76
100 Fly SCY
—
—
—
1:33.75
1:18.74
▲ 15.01
1:16.68
▲ 2.06
100 IM SCY
—
—
1:29.95
1:18.51
▲ 11.44
1:13.30
▲ 5.21
1:06.68
▲ 6.62
200 IM SCY
—
—
3:19.73
2:54.25
▲ 25.48
2:41.74
▲ 12.51
2:28.38
▲ 13.36
400 IM SCY
—
—
—
—
6:04.38
5:27.62
▲ 36.76
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.