Swimmer profile
Derek Peng
Male13-14Mason Manta RaysOH · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
45.52
34.88
▲ 10.64
33.12
▲ 1.76
30.79
▲ 2.33
29.36
▲ 1.43
100 Free LCM
1:43.09
1:15.83
▲ 27.26
1:10.84
▲ 4.99
1:07.13
▲ 3.71
1:03.12
▲ 4.01
200 Free LCM
3:46.55
2:49.19
▲ 57.36
2:34.24
▲ 14.95
2:22.57
▲ 11.67
2:15.11
▲ 7.46
400 Free LCM
—
—
5:21.44
5:13.73
▲ 7.71
4:46.38
▲ 27.35
800 Free LCM
—
—
—
10:34.79
10:11.22
▲ 23.57
1500 Free LCM
—
—
—
—
18:54.96
50 Back LCM
50.39
42.99
▲ 7.40
41.08
▲ 1.91
39.06
▲ 2.02
—
100 Back LCM
1:49.35
1:32.38
▲ 16.97
1:27.43
▲ 4.95
1:24.92
▲ 2.51
1:18.28
▲ 6.64
200 Back LCM
—
—
—
—
2:42.64
50 Breast LCM
56.50
45.86
▲ 10.64
40.70
▲ 5.16
38.18
▲ 2.52
35.16
▲ 3.02
100 Breast LCM
—
1:41.27
1:32.01
▲ 9.26
1:27.76
▲ 4.25
1:17.92
▲ 9.84
200 Breast LCM
—
3:41.81
3:20.41
▲ 21.40
3:07.47
▲ 12.94
2:47.39
▲ 20.08
50 Fly LCM
54.03
43.06
▲ 10.97
40.09
▲ 2.97
36.80
▲ 3.29
—
100 Fly LCM
—
1:42.55
1:31.05
▲ 11.50
—
—
200 IM LCM
4:16.18
3:06.69
▲ 69.49
2:58.20
▲ 8.49
2:46.46
▲ 11.74
2:37.09
▲ 9.37
400 IM LCM
—
—
—
—
5:37.70
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.