Swimmer profile
Jj Johnston
Male10 & UnderAberdeen Swim ClubSD · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2022–23
2023–24
2024–25
2025–26
25 Free SCY
33.10
21.35
▲ 11.75
18.27
▲ 3.08
—
50 Free SCY
1:17.90
53.01
▲ 24.89
—
45.91
▲ 7.10
100 Free SCY
—
2:11.04
1:43.66
▲ 27.38
1:47.29
▼ 3.63
25 Back SCY
—
24.16
24.03
▲ 0.13
—
50 Back SCY
—
57.73
54.78
▲ 2.95
50.39
▲ 4.39
25 Breast SCY
36.38
26.69
▲ 9.69
22.42
▲ 4.27
—
50 Breast SCY
—
58.01
51.12
▲ 6.89
45.35
▲ 5.77
100 Breast SCY
—
—
2:08.87
1:46.56
▲ 22.31
25 Fly SCY
—
25.00
25.93
▼ 0.93
—
100 IM SCY
—
—
1:54.39
1:53.47
▲ 0.92
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.