Swimmer profile
Mason Tonz
Male11-12Southwest Aquatic TeamWI · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
1:25.99
1:02.01
▲ 23.98
44.35
▲ 17.66
39.54
▲ 4.81
37.20
▲ 2.34
100 Free LCM
—
2:22.36
1:42.15
▲ 40.21
1:26.14
▲ 16.01
1:22.67
▲ 3.47
200 Free LCM
—
—
—
3:17.49
2:59.92
▲ 17.57
400 Free LCM
—
—
—
6:46.71
6:22.32
▲ 24.39
800 Free LCM
—
—
—
—
13:26.40
50 Back LCM
1:20.68
1:01.43
▲ 19.25
52.29
▲ 9.14
46.34
▲ 5.95
46.42
▼ 0.08
100 Back LCM
—
2:17.63
1:48.75
▲ 28.88
1:41.08
▲ 7.67
1:36.64
▲ 4.44
200 Back LCM
—
—
—
3:35.75
—
50 Breast LCM
—
1:09.95
55.73
▲ 14.22
53.27
▲ 2.46
49.53
▲ 3.74
100 Breast LCM
—
2:24.30
2:06.24
▲ 18.06
1:49.23
▲ 17.01
1:47.73
▲ 1.50
200 Breast LCM
—
—
—
4:04.54
3:53.45
▲ 11.09
50 Fly LCM
—
1:23.67
1:00.45
▲ 23.22
47.12
▲ 13.33
46.99
▲ 0.13
100 Fly LCM
—
—
—
1:58.89
—
200 IM LCM
—
—
—
3:33.27
3:33.47
▼ 0.20
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.