Swimmer profile
Ellie Mierenfeld
Female17-18SwimRVAVA · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
34.67
34.42
▲ 0.25
32.36
▲ 2.06
30.18
▲ 2.18
28.93
▲ 1.25
27.97
▲ 0.96
27.36
▲ 0.61
26.86
▲ 0.50
100 Free LCM
1:20.91
—
1:10.03
▲ 10.88
1:06.11
▲ 3.92
1:03.37
▲ 2.74
1:02.10
▲ 1.27
1:00.18
▲ 1.92
59.80
▲ 0.38
200 Free LCM
3:24.15
—
—
2:25.48
▲ 58.67
2:18.72
▲ 6.76
2:20.59
▼ 1.87
2:15.03
▲ 5.56
2:12.94
▲ 2.09
400 Free LCM
—
—
5:37.30
5:26.57
▲ 10.73
5:23.11
▲ 3.46
5:00.95
▲ 22.16
—
—
800 Free LCM
—
—
—
11:11.93
11:08.88
▲ 3.05
10:13.09
▲ 55.79
—
—
1500 Free LCM
—
—
—
21:01.11
—
—
—
—
50 Back LCM
40.81
40.29
▲ 0.52
36.41
▲ 3.88
33.79
▲ 2.62
31.94
▲ 1.85
31.15
▲ 0.79
30.59
▲ 0.56
29.64
▲ 0.95
100 Back LCM
1:27.65
1:25.88
▲ 1.77
1:15.64
▲ 10.24
1:11.06
▲ 4.58
1:06.94
▲ 4.12
1:05.63
▲ 1.31
1:04.45
▲ 1.18
1:03.29
▲ 1.16
200 Back LCM
—
—
2:43.94
2:34.71
▲ 9.23
2:26.06
▲ 8.65
2:23.16
▲ 2.90
2:22.35
▲ 0.81
2:19.46
▲ 2.89
50 Breast LCM
50.79
48.45
▲ 2.34
43.19
▲ 5.26
42.67
▲ 0.52
40.77
▲ 1.90
39.70
▲ 1.07
—
38.97
▲ 0.73
100 Breast LCM
1:46.57
—
1:35.14
▲ 11.43
1:37.05
▼ 1.91
1:27.51
▲ 9.54
1:22.70
▲ 4.81
1:24.62
▼ 1.92
1:20.16
▲ 4.46
200 Breast LCM
—
—
3:26.73
—
—
3:02.01
▲ 24.72
3:00.86
▲ 1.15
—
50 Fly LCM
44.18
—
34.67
▲ 9.51
31.99
▲ 2.68
30.39
▲ 1.60
31.02
▼ 0.63
29.30
▲ 1.72
29.70
▼ 0.40
100 Fly LCM
—
—
—
1:23.51
1:11.66
▲ 11.85
1:07.63
▲ 4.03
1:08.95
▼ 1.32
1:06.99
▲ 1.96
200 IM LCM
3:39.02
—
2:56.59
▲ 42.43
—
2:35.71
▲ 20.88
2:27.77
▲ 7.94
2:28.79
▼ 1.02
2:29.90
▼ 1.11
400 IM LCM
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—
—
6:13.49
—
5:28.20
▲ 45.29
5:30.60
▼ 2.40
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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.