Swimmer profile
Grammer Perng
Male15-16Wichita YMCA NeptunesMV · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2018–19
2022–23
2023–24
2025–26
50 Free LCM
51.96
—
—
27.72
▲ 24.24
100 Free LCM
2:02.51
1:23.45
▲ 39.06
1:20.70
▲ 2.75
59.67
▲ 21.03
200 Free LCM
—
—
—
2:11.29
400 Free LCM
—
—
—
4:44.86
800 Free LCM
—
—
—
10:07.08
1500 Free LCM
—
—
—
19:21.35
50 Back LCM
1:02.19
40.73
▲ 21.46
41.85
▼ 1.12
32.98
▲ 8.87
100 Back LCM
—
—
1:30.21
1:11.93
▲ 18.28
50 Breast LCM
1:12.49
56.31
▲ 16.18
56.97
▼ 0.66
43.97
▲ 13.00
100 Breast LCM
—
—
2:01.42
1:35.81
▲ 25.61
50 Fly LCM
1:07.65
—
42.70
▲ 24.95
—
200 IM LCM
—
—
—
2:41.86
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.