Swimmer profile
Jonas Massie
Male15-16Carson TigersharksPC · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2019–20
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
—
32.93
30.50
▲ 2.43
28.34
▲ 2.16
25.38
▲ 2.96
22.62
▲ 2.76
100 Free SCY
1:45.87
1:16.77
▲ 29.10
1:06.58
▲ 10.19
1:01.01
▲ 5.57
54.53
▲ 6.48
48.79
▲ 5.74
200 Free SCY
—
—
2:22.01
2:13.40
▲ 8.61
1:54.61
▲ 18.79
1:44.60
▲ 10.01
500 Free SCY
—
—
6:47.20
5:52.88
▲ 54.32
5:13.62
▲ 39.26
4:47.96
▲ 25.66
50 Back SCY
—
38.90
39.86
▼ 0.96
—
—
25.90
▲ 13.96
100 Back SCY
—
1:37.56
1:16.04
▲ 21.52
1:12.93
▲ 3.11
1:01.07
▲ 11.86
54.83
▲ 6.24
200 Back SCY
—
—
—
—
2:15.92
2:13.34
▲ 2.58
50 Breast SCY
56.86
46.42
▲ 10.44
—
—
—
—
100 Breast SCY
2:12.69
—
1:34.13
▲ 38.56
1:22.45
▲ 11.68
1:17.83
▲ 4.62
1:09.85
▲ 7.98
200 Breast SCY
—
—
—
3:09.73
—
—
50 Fly SCY
—
—
33.67
31.88
▲ 1.79
28.85
▲ 3.03
24.68
▲ 4.17
100 Fly SCY
—
—
1:14.57
1:09.73
▲ 4.84
57.04
▲ 12.69
52.34
▲ 4.70
100 IM SCY
—
1:27.07
1:16.91
▲ 10.16
1:16.78
▲ 0.13
—
—
200 IM SCY
—
3:05.46
2:43.03
▲ 22.43
2:36.43
▲ 6.60
2:07.79
▲ 28.64
2:00.07
▲ 7.72
400 IM SCY
—
—
—
5:27.92
—
—
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.