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USA Boys 10 & under - 400 M IM

These rankings show the swimmers' placement within the United States.
They are based on the swimmer's personal best, their current age category, and team; and are calculated from all the meets results.
For each swimmer, you can find the swimmer's ranking, their best time, the corresponding time standard, as well as how much faster the swimmer needs to be to reach the next level. The last columns provide information about the event they achieved this personal best.

Swimmer Rankings

Ranking Name Time Age Standard to Next Standard Team Date Meet
1 Jordan Cobb 5:13.63 7 Madison Swimming Association 05/15/2026 2026 Officially Summer Invitational
50 Fly
32.43
32.43
100 Fly
36.29
1:08.73
100 Fly
1:08.73
150 Back
39.40
1:48.13
200 Back
39.67
2:27.80
100 Back
1:19.07
250 Breast
48.80
3:16.60
300 Breast
48.81
4:05.41
100 Breast
1:37.61
350 Free
34.24
4:39.65
400 Free
33.98
5:13.63
100 Free
1:08.22
2 Isen Wolfe 5:46.38 10 Saint Petersburg Aquatics 04/17/2026 2026 SAINT PETE S 1st LONG COURSE MEET
50 Fly
36.94
36.94
100 Fly
41.76
1:18.70
100 Fly
1:18.70
150 Back
43.09
2:01.79
200 Back
43.27
2:45.06
100 Back
1:26.36
250 Breast
53.33
3:38.39
300 Breast
52.55
4:30.94
100 Breast
1:45.88
350 Free
38.62
5:09.56
400 Free
36.82
5:46.38
100 Free
1:15.44
3 Isaac Chapman 5:49.20 10 SwimRVA 05/29/2026 2026 SwimRVA Success Bell
50 Fly
36.72
36.72
100 Fly
41.78
1:18.50
100 Fly
1:18.50
150 Back
46.26
2:04.76
200 Back
47.01
2:51.77
100 Back
1:33.27
250 Breast
48.34
3:40.11
300 Breast
51.02
4:31.13
100 Breast
1:39.36
350 Free
39.47
5:10.60
400 Free
38.60
5:49.20
100 Free
1:18.07
4 Leo Madera 5:50.03 10 Gulliver Swim Club 05/01/2026 Jesse Vasallo Swimming Invitational
50 Fly
37.86
37.86
100 Fly
44.69
1:22.55
100 Fly
1:22.55
150 Back
47.70
2:10.25
200 Back
47.55
2:57.80
100 Back
1:35.25
250 Breast
46.33
3:44.13
300 Breast
50.54
4:34.67
100 Breast
1:36.87
350 Free
39.56
5:14.23
400 Free
35.80
5:50.03
100 Free
1:15.36
5 Sebastian Gutierrez 6:22.33 9 Anglerfish Aquatics 06/05/2026 2026 NE SAC America S Cup
6 Mason Bailey 6:29.38 10 SwimRVA 05/29/2026 2026 SwimRVA Success Bell
50 Fly
41.61
41.61
100 Fly
53.36
1:34.97
100 Fly
1:34.97
150 Back
48.91
2:23.88
200 Back
47.84
3:11.72
100 Back
1:36.75
250 Breast
55.65
4:07.37
300 Breast
56.64
5:04.01
100 Breast
1:52.29
350 Free
42.78
5:46.79
400 Free
42.59
6:29.38
100 Free
1:25.37
7 Sebastian Horn-Rios 6:29.85 10 T2 Aquatics 05/22/2026 2026 T2 Aquatics Norris Foundation LC Meet
8 Michael Laurence 6:38.99 9 Gulliver Swim Club 05/01/2026 Jesse Vasallo Swimming Invitational
50 Fly
42.43
42.43
100 Fly
55.80
1:38.23
100 Fly
1:38.23
150 Back
52.67
2:30.90
200 Back
48.67
3:19.57
100 Back
1:41.34
250 Breast
55.20
4:14.77
300 Breast
57.34
5:12.11
100 Breast
1:52.54
350 Free
44.69
5:56.80
400 Free
42.19
6:38.99
100 Free
1:26.88
9 Brooks Fraser 6:43.92 10 Aquawolves Swimming 06/27/2025 2025 CO Zone 2 VMAC Meet
50 Fly
45.98
45.98
100 Fly
57.60
1:43.58
100 Fly
1:43.58
150 Back
50.01
2:33.59
200 Back
50.67
3:24.26
100 Back
1:40.68
250 Breast
56.34
4:20.60
300 Breast
55.75
5:16.35
100 Breast
1:52.09
350 Free
45.09
6:01.44
400 Free
42.48
6:43.92
100 Free
1:27.57
10 Seth Benton 6:59.18 10 SwimRVA 05/29/2026 2026 SwimRVA Success Bell
50 Fly
44.32
44.32
100 Fly
55.00
1:39.32
100 Fly
1:39.32
150 Back
54.40
2:33.72
200 Back
53.29
3:27.01
100 Back
1:47.69
250 Breast
59.01
4:26.02
300 Breast
59.18
5:25.20
100 Breast
1:58.19
350 Free
48.98
6:14.18
400 Free
45.00
6:59.18
100 Free
1:33.98
11 Mario Aoki 7:08.45 9 Falfins Swimming 05/15/2026 2026 CO ACES Spring Invite
50 Fly
46.33
46.33
100 Fly
54.56
1:40.89
100 Fly
1:40.89
150 Back
59.27
2:40.16
200 Back
57.49
3:37.65
100 Back
1:56.76
250 Breast
57.25
4:34.90
300 Breast
59.62
5:34.52
100 Breast
1:56.87
350 Free
46.17
6:20.69
400 Free
47.76
7:08.45
100 Free
1:33.93
12 James Dyatlovitsky 7:15.32 8 Excel Aquatics 04/24/2026 2026 Strong Tower Invite
50 Fly
46.80
46.80
100 Fly
55.38
1:42.18
100 Fly
1:42.18
150 Back
55.46
2:37.64
200 Back
52.44
3:30.08
100 Back
1:47.90
250 Breast
1:05.96
4:36.04
300 Breast
1:04.98
5:41.02
100 Breast
2:10.94
350 Free
48.91
6:29.93
400 Free
45.39
7:15.32
100 Free
1:34.30
13 Maxwell Morgan 7:20.90 9 Spartan Aquatic Club 04/10/2026 2026 April Classic
50 Fly
45.85
45.85
100 Fly
56.74
1:42.59
100 Fly
1:42.59
150 Back
57.79
2:40.38
200 Back
3:04.75
5:45.13
100 Back
4:02.54
400 Free
1:35.77
7:20.90
100 Free
1:35.77
14 Youniss Mostafa 7:35.50 9 Cranston YMCA Marlins 06/05/2026 2026 NE SAC America S Cup
15 Nicholas Scarpitti 7:47.33 10 Cincinnati Aquatic Club 05/01/2026 CLPR 3rd Annual Northern KY Derby
50 Fly
50.91
50.91
100 Fly
1:08.78
1:59.69
100 Fly
1:59.69
150 Back
59.42
2:59.11
200 Back
56.23
3:55.34
100 Back
1:55.65
250 Breast
1:05.42
5:00.76
300 Breast
1:03.78
6:04.54
100 Breast
2:09.20
350 Free
53.48
6:58.02
400 Free
49.31
7:47.33
100 Free
1:42.79
16 Benjamin Leger 7:52.67 10 Lynchburg YMCA Swim Team 05/31/2024 2024 Virginia Commonwealth Games
50 Fly
1:00.64
1:00.64
100 Fly
1:06.50
2:07.14
100 Fly
2:07.14
150 Back
1:01.57
3:08.71
200 Back
57.67
4:06.38
100 Back
1:59.24
250 Breast
1:05.01
5:11.39
300 Breast
1:04.70
6:16.09
100 Breast
2:09.71
350 Free
50.53
7:06.62
400 Free
46.05
7:52.67
100 Free
1:36.58
17 Benjamin Cook 8:17.84 9 Unattached 05/01/2026 2026 HOKI May Day Invite Copied
50 Fly
1:00.70
1:00.70
100 Fly
1:11.66
2:12.36
100 Fly
2:12.36
150 Back
1:02.91
3:15.27
200 Back
1:00.25
4:15.52
100 Back
2:03.16
250 Breast
1:06.27
5:21.79
300 Breast
1:05.39
6:27.18
100 Breast
2:11.66
350 Free
57.44
7:24.62
400 Free
53.22
8:17.84
100 Free
1:50.66

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.