Swimmer profile
Gemma Sonnonstine
Female15-16Houston Bridge BatsGU · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2020–21
2025–26
50 Free LCM
41.97
31.21
▲ 10.76
100 Free LCM
—
1:12.53
200 Free LCM
3:40.50
2:44.95
▲ 55.55
50 Back LCM
49.36
37.37
▲ 11.99
100 Back LCM
—
1:25.14
100 Breast LCM
2:14.64
1:43.39
▲ 31.25
50 Fly LCM
—
32.71
100 Fly LCM
—
1:15.18
200 IM LCM
—
3:05.12
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.