Swimmer profile
Jonathan Henneke
Male13-14Longhorn AquaticsST · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
43.49
35.84
▲ 7.65
32.01
▲ 3.83
30.07
▲ 1.94
28.59
▲ 1.48
27.29
▲ 1.30
100 Free LCM
—
1:23.99
1:12.69
▲ 11.30
1:06.96
▲ 5.73
1:03.13
▲ 3.83
58.79
▲ 4.34
200 Free LCM
—
—
—
2:33.57
2:20.18
▲ 13.39
2:13.56
▲ 6.62
400 Free LCM
—
—
6:04.81
5:32.78
▲ 32.03
5:10.99
▲ 21.79
4:56.20
▲ 14.79
800 Free LCM
—
—
—
—
—
10:27.46
1500 Free LCM
—
—
—
—
—
19:26.61
50 Back LCM
49.93
45.43
▲ 4.50
41.95
▲ 3.48
38.58
▲ 3.37
—
—
100 Back LCM
—
1:38.72
1:31.35
▲ 7.37
—
1:16.82
▲ 14.53
1:12.05
▲ 4.77
50 Breast LCM
57.03
51.48
▲ 5.55
—
41.26
▲ 10.22
39.81
▲ 1.45
—
100 Breast LCM
—
2:01.16
1:41.60
▲ 19.56
—
1:29.48
▲ 12.12
1:24.54
▲ 4.94
200 Breast LCM
—
—
3:47.40
—
—
—
50 Fly LCM
1:06.23
39.44
▲ 26.79
34.84
▲ 4.60
32.23
▲ 2.61
30.25
▲ 1.98
29.04
▲ 1.21
100 Fly LCM
—
—
1:23.89
1:17.25
▲ 6.64
1:10.71
▲ 6.54
1:04.01
▲ 6.70
200 IM LCM
—
3:31.36
3:09.76
▲ 21.60
2:55.96
▲ 13.80
2:41.85
▲ 14.11
2:34.44
▲ 7.41
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.