Swimmer profile
Declan Sederholm
Male10 & UnderHilltop Aquatic Swim TeamUT · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2023–24
2024–25
2025–26
50 Free LCM
47.69
38.06
▲ 9.63
37.46
▲ 0.60
100 Free LCM
1:35.15
1:25.36
▲ 9.79
1:23.30
▲ 2.06
200 Free LCM
—
3:06.89
3:04.65
▲ 2.24
400 Free LCM
—
6:35.14
6:31.10
▲ 4.04
50 Back LCM
56.53
48.87
▲ 7.66
45.12
▲ 3.75
100 Back LCM
1:53.43
1:35.02
▲ 18.41
1:38.78
▼ 3.76
50 Breast LCM
1:00.00
50.40
▲ 9.60
49.31
▲ 1.09
100 Breast LCM
2:08.31
1:50.41
▲ 17.90
1:45.46
▲ 4.95
50 Fly LCM
1:02.12
52.93
▲ 9.19
48.98
▲ 3.95
100 Fly LCM
—
2:04.63
—
200 IM LCM
4:10.78
3:36.96
▲ 33.82
3:26.41
▲ 10.55
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.