Swimmer profile
Jonathon Xu
Male17-18Life Time Michigan Swim TeamMI · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2021–22
2022–23
2023–24
2024–25
50 Free LCM
30.78
28.33
▲ 2.45
27.59
▲ 0.74
—
100 Free LCM
1:08.66
1:04.77
▲ 3.89
59.35
▲ 5.42
1:00.69
▼ 1.34
200 Free LCM
—
2:19.31
2:13.67
▲ 5.64
—
400 Free LCM
—
5:06.06
4:51.80
▲ 14.26
4:45.54
▲ 6.26
800 Free LCM
—
10:36.65
9:52.29
▲ 44.36
10:29.61
▼ 37.32
50 Back LCM
—
33.98
31.99
▲ 1.99
—
100 Back LCM
1:17.48
1:13.98
▲ 3.50
1:08.79
▲ 5.19
—
200 Back LCM
2:46.32
2:31.91
▲ 14.41
2:26.26
▲ 5.65
2:30.79
▼ 4.53
100 Breast LCM
1:39.68
—
—
—
200 Breast LCM
—
3:39.81
—
—
100 Fly LCM
—
1:24.08
1:17.33
▲ 6.75
—
200 Fly LCM
—
3:23.51
2:48.98
▲ 34.53
—
200 IM LCM
—
2:49.13
2:37.83
▲ 11.30
—
400 IM LCM
6:23.75
6:11.78
▲ 11.97
5:32.43
▲ 39.35
5:44.25
▼ 11.82
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.