Swimmer profile
Leo Byer
Male13-14Palo Alto Stanford AquaticsPC · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2017–18
2018–19
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
58.89
44.23
▲ 14.66
32.30
▲ 11.93
30.43
▲ 1.87
29.06
▲ 1.37
28.12
▲ 0.94
27.07
▲ 1.05
100 Free LCM
—
1:45.06
1:12.26
▲ 32.80
1:06.78
▲ 5.48
1:04.62
▲ 2.16
1:01.51
▲ 3.11
59.10
▲ 2.41
200 Free LCM
—
—
2:37.62
2:28.91
▲ 8.71
2:23.56
▲ 5.35
2:15.65
▲ 7.91
2:12.89
▲ 2.76
400 Free LCM
—
—
5:47.34
5:15.88
▲ 31.46
5:19.80
▼ 3.92
5:04.49
▲ 15.31
4:52.65
▲ 11.84
800 Free LCM
—
—
—
—
—
10:45.73
9:49.83
▲ 55.90
1500 Free LCM
—
—
—
—
20:42.96
—
—
50 Back LCM
1:06.50
51.77
▲ 14.73
41.50
▲ 10.27
37.19
▲ 4.31
35.74
▲ 1.45
35.31
▲ 0.43
—
100 Back LCM
—
—
1:28.45
1:20.96
▲ 7.49
1:14.88
▲ 6.08
1:14.17
▲ 0.71
—
200 Back LCM
—
—
—
—
2:41.41
2:42.34
▼ 0.93
2:31.43
▲ 10.91
50 Breast LCM
—
1:07.39
—
46.75
▲ 20.64
44.34
▲ 2.41
41.00
▲ 3.34
36.83
▲ 4.17
100 Breast LCM
—
—
—
—
—
1:30.12
1:22.32
▲ 7.80
50 Fly LCM
—
59.95
36.08
▲ 23.87
34.71
▲ 1.37
32.63
▲ 2.08
31.54
▲ 1.09
—
100 Fly LCM
—
—
1:27.26
1:18.74
▲ 8.52
1:20.16
▼ 1.42
—
1:13.83
▲ 6.33
200 IM LCM
—
—
3:00.80
—
2:48.04
▲ 12.76
2:43.18
▲ 4.86
2:38.80
▲ 4.38
400 IM LCM
—
—
—
—
6:13.21
—
5:30.18
▲ 43.03
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.