Swimmer profile
Mikayla Costello
Female13-14Planet Swim AquaticsFL · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
31.43
29.61
▲ 1.82
27.33
▲ 2.28
26.84
▲ 0.49
25.97
▲ 0.87
100 Free SCY
1:18.95
1:06.15
▲ 12.80
1:00.14
▲ 6.01
58.66
▲ 1.48
55.86
▲ 2.80
200 Free SCY
—
2:28.76
2:13.96
▲ 14.80
—
2:04.45
▲ 9.51
500 Free SCY
—
—
—
5:55.06
5:40.34
▲ 14.72
1650 Free SCY
—
—
—
—
19:21.28
50 Back SCY
45.77
38.06
▲ 7.71
35.06
▲ 3.00
—
—
100 Back SCY
1:40.34
1:31.78
▲ 8.56
1:14.96
▲ 16.82
—
1:08.97
▲ 5.99
200 Back SCY
—
—
—
—
2:33.96
50 Breast SCY
43.60
39.26
▲ 4.34
35.38
▲ 3.88
33.63
▲ 1.75
32.01
▲ 1.62
100 Breast SCY
1:44.76
1:23.92
▲ 20.84
1:17.81
▲ 6.11
1:14.16
▲ 3.65
1:09.20
▲ 4.96
200 Breast SCY
—
3:11.57
2:48.30
▲ 23.27
2:39.22
▲ 9.08
2:30.44
▲ 8.78
50 Fly SCY
44.99
34.01
▲ 10.98
32.61
▲ 1.40
30.58
▲ 2.03
—
100 Fly SCY
—
1:34.39
1:20.01
▲ 14.38
—
1:06.84
▲ 13.17
100 IM SCY
1:32.51
1:16.49
▲ 16.02
1:09.49
▲ 7.00
1:11.62
▼ 2.13
1:07.35
▲ 4.27
200 IM SCY
—
2:58.42
2:38.32
▲ 20.10
2:35.39
▲ 2.93
2:22.05
▲ 13.34
400 IM SCY
—
—
5:50.53
—
5:10.75
▲ 39.78
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.