Swimmer profile
Jonah Mafnas
MaleOpen / SeniorSacramento Aquatics ClubSN · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2015–16
2016–17
2018–19
2019–20
2021–22
50 Free SCY
36.27
35.40
▲ 0.87
29.23
▲ 6.17
26.36
▲ 2.87
23.65
▲ 2.71
100 Free SCY
—
1:15.84
1:03.59
▲ 12.25
59.66
▲ 3.93
—
200 Free SCY
—
2:46.75
—
2:09.55
▲ 37.20
—
1000 Free SCY
—
—
—
12:14.41
—
50 Back SCY
48.56
—
—
—
—
50 Breast SCY
49.90
53.50
▼ 3.60
—
—
—
100 Breast SCY
—
—
—
1:20.49
—
50 Fly SCY
45.58
—
34.27
▲ 11.31
—
—
100 IM SCY
1:36.80
1:31.55
▲ 5.25
1:18.84
▲ 12.71
—
—
200 IM SCY
—
—
—
2:32.82
—
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.