Swimmer profile
MASON KIM
Male11-12Glenbrook Swim ClubIL · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2023–24
2024–25
2025–26
50 Free LCM
48.81
37.90
▲ 10.91
31.73
▲ 6.17
100 Free LCM
1:43.33
1:20.34
▲ 22.99
1:08.85
▲ 11.49
200 Free LCM
3:42.26
3:08.78
▲ 33.48
2:30.31
▲ 38.47
400 Free LCM
—
—
5:48.10
50 Back LCM
49.38
40.02
▲ 9.36
38.70
▲ 1.32
100 Back LCM
2:01.00
1:30.91
▲ 30.09
1:24.98
▲ 5.93
50 Breast LCM
58.39
50.72
▲ 7.67
40.96
▲ 9.76
100 Breast LCM
2:19.31
1:47.00
▲ 32.31
1:29.98
▲ 17.02
200 Breast LCM
—
—
3:17.07
50 Fly LCM
53.79
38.59
▲ 15.20
38.92
▼ 0.33
100 Fly LCM
2:06.63
1:34.42
▲ 32.21
1:28.72
▲ 5.70
200 IM LCM
4:32.09
3:20.91
▲ 71.18
3:08.73
▲ 12.18
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.