Swimmer profile
Grace Costello
Female15-16Planet Swim AquaticsFL · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2015–16
2017–18
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
1:13.53
46.84
▲ 26.69
37.12
▲ 9.72
32.96
▲ 4.16
30.94
▲ 2.02
28.69
▲ 2.25
28.70
▼ 0.01
27.45
▲ 1.25
26.92
▲ 0.53
26.11
▲ 0.81
100 Free SCY
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1:24.81
1:13.92
▲ 10.89
1:07.23
▲ 6.69
1:04.96
▲ 2.27
1:03.27
▲ 1.69
1:00.60
▲ 2.67
58.29
▲ 2.31
56.49
▲ 1.80
200 Free SCY
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—
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2:40.11
2:24.20
▲ 15.91
2:22.42
▲ 1.78
2:14.99
▲ 7.43
2:10.31
▲ 4.68
2:07.19
▲ 3.12
1:58.46
▲ 8.73
500 Free SCY
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—
—
—
6:25.45
6:14.22
▲ 11.23
6:08.21
▲ 6.01
5:42.85
▲ 25.36
5:41.65
▲ 1.20
5:11.56
▲ 30.09
1000 Free SCY
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—
—
—
—
—
12:21.88
11:41.21
▲ 40.67
—
10:40.40
▲ 60.81
1650 Free SCY
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—
—
—
—
—
—
—
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18:11.91
50 Back SCY
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—
45.33
40.54
▲ 4.79
37.47
▲ 3.07
34.11
▲ 3.36
32.74
▲ 1.37
30.73
▲ 2.01
30.54
▲ 0.19
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100 Back SCY
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—
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1:27.78
1:17.92
▲ 9.86
1:15.51
▲ 2.41
1:10.74
▲ 4.77
1:08.02
▲ 2.72
1:06.69
▲ 1.33
1:05.75
▲ 0.94
200 Back SCY
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—
—
—
—
—
2:44.13
2:44.44
▼ 0.31
2:31.70
▲ 12.74
2:22.98
▲ 8.72
50 Breast SCY
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1:11.97
54.25
▲ 17.72
49.13
▲ 5.12
45.66
▲ 3.47
—
41.43
▲ 4.23
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—
100 Breast SCY
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—
—
—
—
—
1:30.92
—
—
1:20.78
▲ 10.14
50 Fly SCY
—
58.44
44.07
▲ 14.37
36.76
▲ 7.31
33.76
▲ 3.00
31.66
▲ 2.10
31.42
▲ 0.24
30.18
▲ 1.24
29.49
▲ 0.69
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100 Fly SCY
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—
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1:28.30
1:14.97
▲ 13.33
1:12.06
▲ 2.91
1:10.10
▲ 1.96
1:06.86
▲ 3.24
1:06.05
▲ 0.81
1:01.38
▲ 4.67
200 Fly SCY
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—
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2:57.83
2:30.45
▲ 27.38
2:33.47
▼ 3.02
2:33.29
▲ 0.18
2:14.59
▲ 18.70
100 IM SCY
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1:38.39
1:26.49
▲ 11.90
1:21.25
▲ 5.24
1:16.24
▲ 5.01
1:14.23
▲ 2.01
1:14.30
▼ 0.07
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200 IM SCY
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3:05.68
2:48.59
▲ 17.09
2:45.59
▲ 3.00
2:45.43
▲ 0.16
2:32.90
▲ 12.53
2:34.81
▼ 1.91
2:22.41
▲ 12.40
400 IM SCY
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5:44.90
5:43.18
▲ 1.72
—
5:04.98
▲ 38.20
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.