New! ScoreMeUp is now available on the App Store. Download the iOS app →

Declan Costello

Age: 15 years old
Age Category: 15-16
Team: Georgetown Preparatory School | Unattached

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Georgetown Preparatory School Unattached Unattached USA
Free 50 Y 23.66 15 11/14/2025 A AA: 23.19 (+0.47s | 2.0%) 2 162 162 1,000+
Free 100 Y 51.73 15 11/14/2025 A AA: 50.99 (+0.74s | 1.4%) 2 158 158 1,000+
50 Free
25.03
25.03
100 Free
26.70
51.73
100 Free
51.73
Free 200 Y 1:46.91 15 03/05/2026 AA AAA: 1:46.89 (+0.02s | 0.0%) 1 39 39 772
50 Free
24.95
24.95
100 Free
27.20
52.15
100 Free
52.15
150 Free
27.88
1:20.03
200 Free
26.88
1:46.91
100 Free
54.76
Free 500 Y 4:47.03 15 12/11/2025 AAA AAAA: 4:36.29 (+10.74s | 3.7%) 1 19 19 442
50 Free
25.31
25.31
100 Free
27.80
53.11
100 Free
53.11
150 Free
28.76
1:21.87
200 Free
29.23
1:51.10
100 Free
57.99
250 Free
29.13
2:20.23
300 Free
29.57
2:49.80
100 Free
58.70
350 Free
29.79
3:19.59
400 Free
29.77
3:49.36
100 Free
59.56
450 Free
29.77
4:19.13
500 Free
27.90
4:47.03
100 Free
57.67
Free 1000 Y 10:00.60 15 03/05/2026 AAA AAAA: 9:38.89 (+21.71s | 3.6%) 1 12 12 386
50 Free
26.03
26.03
100 Free
29.06
55.09
100 Free
55.09
150 Free
29.45
1:24.54
200 Free
30.31
1:54.85
100 Free
59.76
250 Free
30.24
2:25.09
300 Free
30.13
2:55.22
100 Free
1:00.37
350 Free
30.61
3:25.83
400 Free
30.16
3:55.99
100 Free
1:00.77
450 Free
31.28
4:27.27
500 Free
30.74
4:58.01
100 Free
1:02.02
550 Free
30.70
5:28.71
600 Free
30.76
5:59.47
100 Free
1:01.46
650 Free
30.33
6:29.80
700 Free
30.99
7:00.79
100 Free
1:01.32
750 Free
30.19
7:30.98
800 Free
30.44
8:01.42
100 Free
1:00.63
850 Free
30.33
8:31.75
900 Free
30.29
9:02.04
100 Free
1:00.62
950 Free
29.78
9:31.82
1000 Free
28.78
10:00.60
100 Free
58.56
Free 1650 Y 16:41.26 15 12/11/2025 AAA AAAA: 16:04.99 (+36.27s | 3.6%) 1 7 7 273
50 Free
25.83
25.83
100 Free
29.31
55.14
100 Free
55.14
150 Free
29.43
1:24.57
200 Free
29.79
1:54.36
100 Free
59.22
250 Free
29.94
2:24.30
300 Free
30.63
2:54.93
100 Free
1:00.57
350 Free
30.48
3:25.41
400 Free
30.22
3:55.63
100 Free
1:00.70
450 Free
30.45
4:26.08
500 Free
30.41
4:56.49
100 Free
1:00.86
550 Free
30.40
5:26.89
600 Free
30.52
5:57.41
100 Free
1:00.92
650 Free
30.77
6:28.18
700 Free
30.60
6:58.78
100 Free
1:01.37
750 Free
30.48
7:29.26
800 Free
30.72
7:59.98
100 Free
1:01.20
850 Free
30.83
8:30.81
900 Free
30.53
9:01.34
100 Free
1:01.36
950 Free
30.57
9:31.91
1000 Free
30.72
10:02.63
100 Free
1:01.29
1050 Free
30.71
10:33.34
1100 Free
30.71
11:04.05
100 Free
1:01.42
1150 Free
30.83
11:34.89
1200 Free
30.83
12:05.72
100 Free
1:01.66
1250 Free
30.79
12:36.51
1300 Free
31.00
13:07.51
100 Free
1:01.79
1350 Free
30.92
13:38.43
1400 Free
30.75
14:09.18
100 Free
1:01.67
1450 Free
30.79
14:39.97
1500 Free
30.51
15:10.48
100 Free
1:01.30
1550 Free
30.73
15:41.21
1600 Free
30.85
16:12.06
100 Free
1:01.58
1650 Free
29.20
16:41.26
Back 100 Y 1:00.78 14 10/10/2025 BB A: 57.89 (+2.89s | 4.8%) 2 162 162 1,000+
50 Back
29.55
29.55
100 Back
31.23
1:00.78
100 Back
1:00.78
Back 200 Y 2:08.45 15 10/31/2025 BB A: 2:06.59 (+1.86s | 1.4%) 1 50 50 1,000+
50 Back
29.79
29.79
100 Back
31.96
1:01.75
100 Back
1:01.75
150 Back
33.58
1:35.33
200 Back
33.12
2:08.45
100 Back
1:06.70
Breast 50 Y 29.61 15 03/05/2026 1 18 18 773
Breast 100 Y 1:05.61 15 11/14/2025 A AA: 1:03.19 (+2.42s | 3.7%) 1 110 110 1,000+
50 Breast
30.50
30.50
100 Breast
35.11
1:05.61
100 Breast
1:05.61
Breast 200 Y 2:24.15 15 11/14/2025 BB A: 2:23.19 (+0.96s | 0.7%) 1 46 46 1,000+
50 Breast
31.34
31.34
100 Breast
36.31
1:07.65
100 Breast
1:07.65
150 Breast
38.21
1:45.86
200 Breast
38.29
2:24.15
100 Breast
1:16.50
Fly 100 Y 1:01.52 14 10/10/2025 BB A: 57.59 (+3.93s | 6.4%) 2 201 201 1,000+
50 Fly
27.89
27.89
100 Fly
33.63
1:01.52
100 Fly
1:01.52
IM 200 Y 2:03.33 15 03/05/2026 AA AAA: 1:58.59 (+4.74s | 3.8%) 1 75 75 1,000+
50 Fly
26.87
26.87
100 Back
32.70
59.57
100 IM
59.57
150 Breast
35.83
1:35.40
200 Free
27.93
2:03.33
100 IM
1:03.76
IM 400 Y 4:23.47 15 03/05/2026 AA AAA: 4:13.19 (+10.28s | 3.9%) 1 25 25 864
50 Fly
27.75
27.75
100 Fly
32.60
1:00.35
100 Fly
1:00.35
150 Back
35.75
1:36.10
200 Back
33.31
2:09.41
100 Back
1:09.06
250 Breast
37.32
2:46.73
300 Breast
38.21
3:24.94
100 Breast
1:15.53
350 Free
30.06
3:55.00
400 Free
28.47
4:23.47
100 Free
58.53

Long course distance

Event Time Age Date Standard Next Standard Georgetown Preparatory School Unattached Unattached USA
Free 50 M 30.45 13 05/17/2024 BB A: 28.19 (+2.26s | 7.4%) 2 114 114 1,000+
Free 100 M 1:05.13 13 05/17/2024 BB A: 1:01.49 (+3.64s | 5.6%) 1 108 108 1,000+
Back 200 M 2:38.45 13 05/17/2024 BB A: 2:27.69 (+10.76s | 6.8%) 1 44 44 1,000+
IM 200 M 2:44.77 13 05/17/2024 B BB: 2:43.59 (+1.18s | 0.7%) 1 87 87 1,000+

Above are the fastest times that Declan Costello has achieved in his swimming career. For each event, you can find Declan's best time, the corresponding time standard, as well as how much faster Declan needs to be to reach the next level. The last columns provide Declan rankings at the team and LSC levels. These rankings are based on the Declan's personal best, his current age category, and team; and are calculated from all the meets results.

Disclaimer: This Website is not affiliated with USA Swimming or any Local Swim Committee. The rankings and times displayed on this website are unofficial and should not be viewed as such. We update our information regularly, but we cannot guarantee that the data is accurate, timely, or complete. The only purpose of this website is entertainment. None of the information here should be used for university admission applications.