Swimmer profile
Osten Chong Chong
Male13-14Scottsdale Aquatic ClubAZ · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
41.33
37.72
▲ 3.61
33.98
▲ 3.74
32.89
▲ 1.09
29.40
▲ 3.49
29.91
▼ 0.51
100 Free LCM
1:38.67
—
1:16.96
▲ 21.71
1:12.12
▲ 4.84
1:04.56
▲ 7.56
1:02.81
▲ 1.75
200 Free LCM
3:41.72
—
2:53.86
▲ 47.86
2:49.87
▲ 3.99
—
—
50 Back LCM
54.68
—
47.43
▲ 7.25
—
36.64
▲ 10.79
—
100 Back LCM
2:01.35
1:49.98
▲ 11.37
1:41.05
▲ 8.93
—
—
—
50 Breast LCM
58.79
—
49.60
▲ 9.19
45.11
▲ 4.49
40.24
▲ 4.87
36.01
▲ 4.23
100 Breast LCM
—
—
—
—
—
1:17.85
200 Breast LCM
—
—
—
—
—
2:59.20
50 Fly LCM
—
45.88
40.18
▲ 5.70
34.75
▲ 5.43
31.05
▲ 3.70
29.92
▲ 1.13
100 Fly LCM
—
—
—
—
1:09.95
1:07.92
▲ 2.03
200 Fly LCM
—
—
—
—
—
2:49.56
200 IM LCM
—
—
—
2:59.95
—
2:39.49
▲ 20.46
400 IM LCM
—
—
—
—
—
5:37.53
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.