Swimmer profile
Sierra Lema
Female15-16Burlingame Aquatic ClubPC · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
44.92
35.99
▲ 8.93
33.89
▲ 2.10
32.09
▲ 1.80
29.28
▲ 2.81
29.33
▼ 0.05
100 Free LCM
1:38.78
1:26.94
▲ 11.84
1:18.26
▲ 8.68
1:07.32
▲ 10.94
1:05.40
▲ 1.92
1:03.50
▲ 1.90
200 Free LCM
—
—
2:46.83
2:28.60
▲ 18.23
2:23.57
▲ 5.03
2:21.14
▲ 2.43
400 Free LCM
—
—
5:56.33
5:00.67
▲ 55.66
4:48.90
▲ 11.77
4:59.70
▼ 10.80
800 Free LCM
—
—
—
10:53.55
10:32.85
▲ 20.70
—
1500 Free LCM
—
25:21.91
23:04.10
▲ 137.81
—
19:33.91
▲ 210.19
—
50 Back LCM
50.36
44.99
▲ 5.37
—
—
—
34.54
▲ 10.45
100 Back LCM
—
1:37.13
1:30.48
▲ 6.65
1:20.12
▲ 10.36
1:16.88
▲ 3.24
1:17.55
▼ 0.67
200 Back LCM
—
—
3:30.67
2:53.09
▲ 37.58
2:47.24
▲ 5.85
2:43.02
▲ 4.22
50 Breast LCM
57.14
56.34
▲ 0.80
—
—
—
—
100 Breast LCM
—
2:03.43
—
1:39.27
▲ 24.16
1:29.80
▲ 9.47
1:25.66
▲ 4.14
200 Breast LCM
—
—
3:51.58
—
—
—
50 Fly LCM
—
49.45
46.23
▲ 3.22
—
—
32.28
▲ 13.95
100 Fly LCM
—
—
—
1:31.66
1:27.84
▲ 3.82
1:16.42
▲ 11.42
200 IM LCM
—
3:35.64
3:16.90
▲ 18.74
2:55.11
▲ 21.79
2:51.45
▲ 3.66
2:42.42
▲ 9.03
400 IM LCM
—
7:43.72
—
—
—
5:47.42
▲ 116.30
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.