Swimmer profile
Derek Feldman
MaleOpen / SeniorLoyola University MarylandMD · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2016–17
2017–18
2018–19
2020–21
2021–22
2022–23
2023–24
2025–26
50 Free LCM
36.50
32.58
▲ 3.92
32.05
▲ 0.53
28.58
▲ 3.47
26.33
▲ 2.25
24.37
▲ 1.96
23.80
▲ 0.57
23.47
▲ 0.33
100 Free LCM
1:32.85
—
—
1:03.91
▲ 28.94
58.09
▲ 5.82
53.69
▲ 4.40
52.04
▲ 1.65
52.86
▼ 0.82
200 Free LCM
—
—
—
2:18.91
—
—
2:00.29
▲ 18.62
—
400 Free LCM
—
—
—
5:10.48
—
—
—
—
50 Back LCM
45.25
37.51
▲ 7.74
37.33
▲ 0.18
—
—
—
28.30
▲ 9.03
—
100 Back LCM
—
1:26.84
1:23.27
▲ 3.57
1:10.11
▲ 13.16
1:06.33
▲ 3.78
1:03.01
▲ 3.32
1:00.85
▲ 2.16
—
200 Back LCM
—
—
3:08.71
—
—
—
—
—
50 Breast LCM
51.61
43.42
▲ 8.19
40.48
▲ 2.94
—
—
—
31.27
▲ 9.21
—
100 Breast LCM
—
1:41.95
1:34.84
▲ 7.11
1:15.40
▲ 19.44
1:09.94
▲ 5.46
1:09.61
▲ 0.33
1:08.07
▲ 1.54
—
200 Breast LCM
—
—
—
—
2:39.01
—
—
—
50 Fly LCM
—
41.19
41.71
▼ 0.52
—
—
—
26.34
▲ 15.37
—
100 Fly LCM
—
—
1:38.01
—
—
—
—
—
200 IM LCM
3:41.75
—
—
2:26.42
▲ 75.33
—
2:15.70
▲ 10.72
—
—
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.