Swimmer profile
Maddie Serfass
FemaleOpen / SeniorHershey Aquatic ClubMA · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2013–14
2014–15
2015–16
2016–17
2017–18
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
50 Free LCM
—
—
38.83
—
33.20
▲ 5.63
31.19
▲ 2.01
30.06
▲ 1.13
29.86
▲ 0.20
—
—
—
100 Free LCM
—
—
1:30.06
1:17.34
▲ 12.72
1:11.82
▲ 5.52
1:05.63
▲ 6.19
1:04.97
▲ 0.66
1:05.07
▼ 0.10
1:04.22
▲ 0.85
1:03.27
▲ 0.95
—
200 Free LCM
—
—
3:00.75
2:44.47
▲ 16.28
2:36.14
▲ 8.33
2:22.94
▲ 13.20
2:18.73
▲ 4.21
2:16.30
▲ 2.43
2:16.26
▲ 0.04
2:18.00
▼ 1.74
—
400 Free LCM
—
—
—
—
5:29.04
5:14.42
▲ 14.62
4:50.83
▲ 23.59
4:41.70
▲ 9.13
4:38.49
▲ 3.21
4:44.78
▼ 6.29
—
800 Free LCM
—
—
—
—
—
10:54.24
—
9:49.82
▲ 64.42
—
9:43.18
▲ 6.64
—
1500 Free LCM
—
—
—
—
—
—
—
—
18:52.14
—
—
50 Back LCM
—
—
46.38
—
—
—
—
—
—
33.74
▲ 12.64
—
100 Back LCM
—
1:57.74
1:42.46
▲ 15.28
1:28.18
▲ 14.28
1:24.09
▲ 4.09
1:21.58
▲ 2.51
1:15.67
▲ 5.91
—
1:11.35
▲ 4.32
1:12.33
▼ 0.98
—
200 Back LCM
—
—
—
—
—
2:52.32
2:37.30
▲ 15.02
—
2:27.33
▲ 9.97
2:25.63
▲ 1.70
2:29.06
▼ 3.43
50 Breast LCM
1:07.17
1:04.04
▲ 3.13
55.23
▲ 8.81
—
44.76
▲ 10.47
44.62
▲ 0.14
—
—
—
—
—
100 Breast LCM
—
—
1:56.28
—
—
1:30.76
▲ 25.52
1:28.23
▲ 2.53
—
—
1:27.76
▲ 0.47
—
200 Breast LCM
—
—
—
—
—
3:10.32
—
3:04.74
▲ 5.58
—
—
—
50 Fly LCM
1:04.22
51.99
▲ 12.23
43.71
▲ 8.28
40.04
▲ 3.67
36.28
▲ 3.76
33.99
▲ 2.29
—
—
—
31.96
▲ 2.03
—
100 Fly LCM
—
—
1:40.40
1:28.64
▲ 11.76
1:23.83
▲ 4.81
1:10.01
▲ 13.82
1:09.35
▲ 0.66
1:08.10
▲ 1.25
1:07.86
▲ 0.24
1:09.53
▼ 1.67
—
200 Fly LCM
—
—
—
—
—
2:36.48
2:34.81
▲ 1.67
2:26.44
▲ 8.37
2:24.94
▲ 1.50
2:27.35
▼ 2.41
2:27.42
▼ 0.07
200 IM LCM
—
3:56.44
3:25.69
▲ 30.75
3:05.05
▲ 20.64
2:51.59
▲ 13.46
2:38.25
▲ 13.34
2:35.35
▲ 2.90
2:29.41
▲ 5.94
2:26.09
▲ 3.32
2:28.70
▼ 2.61
2:30.27
▼ 1.57
400 IM LCM
—
—
—
—
6:21.86
5:43.84
▲ 38.02
5:29.96
▲ 13.88
5:16.79
▲ 13.17
5:10.26
▲ 6.53
5:16.04
▼ 5.78
5:24.08
▼ 8.04
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.