Swimmer profile
Jason Feng
Male10 & UnderBoys & Girls Clubs of San Francisco Aquatic ClubPC · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2022–23
2023–24
2024–25
2025–26
50 Free SCY
45.15
41.08
▲ 4.07
33.51
▲ 7.57
29.97
▲ 3.54
100 Free SCY
—
1:30.72
1:15.75
▲ 14.97
1:08.36
▲ 7.39
200 Free SCY
—
—
—
3:38.22
50 Back SCY
—
48.12
38.06
▲ 10.06
34.25
▲ 3.81
100 Back SCY
—
—
1:26.48
1:12.91
▲ 13.57
50 Breast SCY
—
54.44
44.45
▲ 9.99
41.49
▲ 2.96
100 Breast SCY
—
—
1:42.40
1:31.12
▲ 11.28
50 Fly SCY
57.24
—
35.11
▲ 22.13
32.24
▲ 2.87
100 Fly SCY
—
—
1:22.90
1:16.49
▲ 6.41
100 IM SCY
—
1:43.10
1:22.92
▲ 20.18
1:15.40
▲ 7.52
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.