Swimmer profile
Jonathan Henneke
Male13-14Longhorn AquaticsST · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
48.36
38.81
▲ 9.55
35.75
▲ 3.06
32.20
▲ 3.55
30.27
▲ 1.93
27.65
▲ 2.62
25.59
▲ 2.06
24.21
▲ 1.38
100 Free SCY
—
—
1:31.03
1:19.64
▲ 11.39
1:08.77
▲ 10.87
1:00.68
▲ 8.09
56.11
▲ 4.57
53.42
▲ 2.69
200 Free SCY
—
—
—
—
2:36.64
—
2:05.67
▲ 30.97
1:59.25
▲ 6.42
500 Free SCY
—
—
—
—
7:10.99
—
5:57.10
▲ 73.89
—
1650 Free SCY
—
—
—
—
—
—
—
19:29.07
50 Back SCY
1:05.23
55.99
▲ 9.24
48.27
▲ 7.72
41.32
▲ 6.95
38.40
▲ 2.92
35.27
▲ 3.13
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—
100 Back SCY
—
—
—
1:37.90
—
1:19.03
▲ 18.87
1:09.92
▲ 9.11
1:01.89
▲ 8.03
50 Breast SCY
—
58.19
53.24
▲ 4.95
45.35
▲ 7.89
42.57
▲ 2.78
—
36.03
▲ 6.54
—
100 Breast SCY
—
—
—
1:43.61
1:34.15
▲ 9.46
—
1:19.43
▲ 14.72
1:12.07
▲ 7.36
50 Fly SCY
1:27.06
57.95
▲ 29.11
48.55
▲ 9.40
39.29
▲ 9.26
34.54
▲ 4.75
29.79
▲ 4.75
28.35
▲ 1.44
25.74
▲ 2.61
100 Fly SCY
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—
—
—
1:32.26
1:11.54
▲ 20.72
1:04.83
▲ 6.71
59.38
▲ 5.45
200 Fly SCY
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—
—
—
—
—
—
2:21.96
100 IM SCY
—
—
1:48.95
1:26.14
▲ 22.81
1:19.42
▲ 6.72
1:12.81
▲ 6.61
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200 IM SCY
—
—
—
—
3:01.02
—
2:24.40
▲ 36.62
2:14.74
▲ 9.66
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.