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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 4:54.83 7 Madison Swimming Association 07/17/2026 2026 SE Southeastern Summer LC Championships
50 Fly
30.32
30.32
100 Fly
32.27
1:02.59
100 Fly
1:02.59
150 Back
38.16
1:40.75
200 Back
37.24
2:17.99
100 Back
1:15.40
250 Breast
47.39
3:05.38
300 Breast
45.11
3:50.49
100 Breast
1:32.50
350 Free
33.51
4:24.00
400 Free
30.83
4:54.83
100 Free
1:04.34
2 Robert Legg 5:27.52 10 Pleasanton Seahawks 06/13/2026 PC CDST LC C B BB+ 26 074
3 Isen Wolfe 5:32.11 10 Saint Petersburg Aquatics 06/05/2026 2026 TAMPA BAY SWIM CLASSIC
50 Fly
35.53
35.53
100 Fly
39.87
1:15.40
100 Fly
1:15.40
150 Back
42.17
1:57.57
200 Back
41.80
2:39.37
100 Back
1:23.97
250 Breast
49.60
3:28.97
300 Breast
50.70
4:19.67
100 Breast
1:40.30
350 Free
37.47
4:57.14
400 Free
34.97
5:32.11
100 Free
1:12.44
4 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
5 Layth Alkhairo 5:56.01 9 Reno Aquatic Club 06/19/2026 Reno Aquatic Club Gamble
50 Fly
36.12
36.12
100 Fly
40.34
1:16.46
100 Fly
1:16.46
150 Back
46.55
2:03.01
200 Back
45.68
2:48.69
100 Back
1:32.23
250 Breast
54.57
3:43.26
300 Breast
55.33
4:38.59
100 Breast
1:49.90
350 Free
39.13
5:17.72
400 Free
38.29
5:56.01
100 Free
1:17.42
6 Ruslan Kondratenok 6:06.74 10 Charles River Aquatics 07/10/2026 2026 NE NSSC July Trials Finals @ Colby
7 Titus Wu 6:21.70 10 Firefish Aquatics 06/19/2026 2026 Firefish June Jam
50 Fly
40.83
40.83
100 Fly
49.75
1:30.58
100 Fly
1:30.58
150 Back
50.39
2:20.97
200 Back
48.01
3:08.98
100 Back
1:38.40
250 Breast
54.83
4:03.81
300 Breast
55.72
4:59.53
100 Breast
1:50.55
350 Free
41.60
5:41.13
400 Free
40.57
6:21.70
100 Free
1:22.17
8 Sebastian Gutierrez 6:22.33 9 Anglerfish Aquatics 06/05/2026 2026 NE SAC America S Cup
9 Tyler Zhu 6:22.44 10 Arctic Aquatics 07/17/2026 2026 NE MST ESC LCM 12 Under Championship
10 Reid Kelly 6:25.75 10 Riptide Swim Team 07/11/2026 2026 CO SBL Summer Sizzler
50 Fly
46.35
46.35
150 Back
1:41.74
2:28.09
200 Back
46.73
3:14.82
100 Back
2:28.47
250 Breast
57.25
4:12.07
300 Breast
53.27
5:05.34
100 Breast
1:50.52
350 Free
41.00
5:46.34
400 Free
39.41
6:25.75
100 Free
1:20.41
11 Mason Lam 6:27.43 9 Eagle Swim Team Inc. 07/17/2026 2026 MD Long Course Last Chance Meet
50 Fly
43.19
43.19
100 Fly
51.94
1:35.13
100 Fly
1:35.13
150 Back
47.21
2:22.34
200 Back
48.20
3:10.54
100 Back
1:35.41
250 Breast
56.49
4:07.03
300 Breast
56.09
5:03.12
100 Breast
1:52.58
350 Free
43.40
5:46.52
400 Free
40.91
6:27.43
100 Free
1:24.31
12 Sebastian Horn-Rios 6:29.85 10 T2 Aquatics 05/22/2026 2026 T2 Aquatics Norris Foundation LC Meet
13 Zachary Zeng 6:36.71 10 Waterloo Swimming 06/06/2026 2026 ST ASC June Bug
50 Fly
43.02
43.02
100 Fly
53.48
1:36.50
100 Fly
1:36.50
150 Back
47.84
2:24.34
200 Back
49.84
3:14.18
100 Back
1:37.68
250 Breast
56.35
4:10.53
300 Breast
56.81
5:07.34
100 Breast
1:53.16
350 Free
45.92
5:53.26
400 Free
43.45
6:36.71
100 Free
1:29.37
14 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
15 Grant Zimmermann 6:39.55 10 YMCA of the Triangle Area Swim 06/12/2026 2026 SwimRVA Summer Invitational
50 Fly
46.34
46.34
100 Fly
52.85
1:39.19
100 Fly
1:39.19
150 Back
48.29
2:27.48
200 Back
49.21
3:16.69
100 Back
1:37.50
250 Breast
58.37
4:15.06
300 Breast
59.44
5:14.50
100 Breast
1:57.81
350 Free
41.56
5:56.06
400 Free
43.49
6:39.55
100 Free
1:25.05
16 Seth Snyder 6:56.64 10 Firefish Aquatics 06/19/2026 2026 Firefish June Jam
50 Fly
45.70
45.70
100 Fly
55.97
1:41.67
100 Fly
1:41.67
150 Back
51.04
2:32.71
200 Back
50.74
3:23.45
100 Back
1:41.78
250 Breast
1:00.20
4:23.65
300 Breast
1:01.85
5:25.50
100 Breast
2:02.05
350 Free
45.25
6:10.75
400 Free
45.89
6:56.64
100 Free
1:31.14
17 Maddox Jordan 6:59.14 10 Prime Aquatics 06/18/2026 2026 Tennessee Aquatics June Invitational
50 Fly
47.70
47.70
100 Fly
56.92
1:44.62
100 Fly
1:44.62
150 Back
49.90
2:34.52
200 Back
51.66
3:26.18
100 Back
1:41.56
250 Breast
1:00.81
4:26.99
300 Breast
1:01.32
5:28.31
100 Breast
2:02.13
350 Free
46.83
6:15.14
400 Free
44.00
6:59.14
100 Free
1:30.83
18 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
19 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
20 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
21 Maxwell Morgan 7:20.90 10 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
22 Michael Han 7:27.02 9 Mei\\\\\\'s Typhoons Swimming Club 06/26/2026 2026 NE NSSC June 26 28 MIT Invitational
23 Jude Matu 7:32.68 10 Eagle Swim Team Inc. 07/17/2026 2026 MD Long Course Last Chance Meet
50 Fly
50.56
50.56
100 Fly
1:06.51
1:57.07
100 Fly
1:57.07
150 Back
57.38
2:54.45
200 Back
56.52
3:50.97
100 Back
1:53.90
250 Breast
1:00.00
4:50.97
300 Breast
1:01.93
5:52.90
100 Breast
2:01.93
350 Free
51.02
6:43.92
400 Free
48.76
7:32.68
100 Free
1:39.78
24 Youniss Mostafa 7:35.50 10 Cranston YMCA Marlins 06/05/2026 2026 NE SAC America S Cup Copied
25 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
26 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
27 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
28 Duncan Simpson 8:40.38 10 Canoe City Swim Club 06/20/2026 2026 NE MMD Fun In The Sun

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.