USA Boys 10 & under - 400 M Free

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 Noah Swetlishoff 4:50.62 17 AAAA Min Phoenix Swim Club 06/20/2025 2025 SI SPLASH AND DASH
50 Free
32.11
32.11
100 Free
36.08
1:08.20
100 Free
1:08.20
150 Free
37.15
1:45.35
200 Free
37.37
2:22.72
100 Free
1:14.52
250 Free
37.80
3:00.52
300 Free
37.82
3:38.34
100 Free
1:15.62
350 Free
36.63
4:14.97
400 Free
35.65
4:50.62
100 Free
1:12.28
2 Gabriel Brown 4:54.47 9 AAAA Min Unattached 07/31/2025 2025 Central Zone 14 Under Championship Mee
50 Free
32.89
32.89
100 Free
36.53
1:09.42
100 Free
1:09.42
150 Free
38.22
1:47.64
200 Free
37.94
2:25.58
100 Free
1:16.16
250 Free
38.27
3:03.85
300 Free
37.82
3:41.67
100 Free
1:16.09
400 Free
1:12.80
4:54.47
100 Free
1:12.80
3 Robert Legg 4:55.12 9 AAAA Min Pleasanton Seahawks 07/31/2025 2025 Long Course Far Western Championship
50 Free
32.36
32.36
100 Free
36.86
1:09.22
100 Free
1:09.22
150 Free
37.54
1:46.76
200 Free
38.09
2:24.85
100 Free
1:15.63
250 Free
38.08
3:02.93
300 Free
38.02
3:40.95
100 Free
1:16.10
350 Free
38.11
4:19.06
400 Free
36.06
4:55.12
100 Free
1:14.17
4 Isen Wolfe 4:55.46 10 AAAA Min Saint Petersburg Aquatics 01/16/2026 2026 TRIALS FUNDRAISER MEET
50 Free
33.34
33.34
100 Free
36.95
1:10.29
100 Free
1:10.29
150 Free
38.12
1:48.41
200 Free
38.06
2:26.47
100 Free
1:16.18
250 Free
38.10
3:04.57
300 Free
37.57
3:42.14
100 Free
1:15.67
350 Free
37.93
4:20.07
400 Free
35.39
4:55.46
100 Free
1:13.32
5 Rubix Szolusha 5:06.67 9 AAAA Min Santa Clara Swim Club 07/31/2025 2025 Long Course Far Western Championship
50 Free
34.60
34.60
100 Free
38.45
1:13.05
100 Free
1:13.05
150 Free
38.71
1:51.76
200 Free
39.56
2:31.32
100 Free
1:18.27
250 Free
38.78
3:10.10
300 Free
39.88
3:49.98
100 Free
1:18.66
350 Free
39.35
4:29.33
400 Free
37.34
5:06.67
100 Free
1:16.69
6 Marco Sun 5:11.40 9 AAAA Min Pleasanton Seahawks 07/31/2025 2025 Long Course Far Western Championship
50 Free
35.23
35.23
100 Free
38.34
1:13.57
100 Free
1:13.57
150 Free
39.83
1:53.40
200 Free
39.65
2:33.05
100 Free
1:19.48
250 Free
40.33
3:13.38
300 Free
39.51
3:52.89
100 Free
1:19.84
350 Free
40.23
4:33.12
400 Free
38.28
5:11.40
100 Free
1:18.51
7 Robert Gergardt 5:12.10 10 AAAA Min Quicksilver Swimming 07/31/2025 2025 Long Course Far Western Championship
50 Free
35.52
35.52
100 Free
37.91
1:13.43
100 Free
1:13.43
150 Free
39.20
1:52.63
200 Free
39.84
2:32.47
100 Free
1:19.04
250 Free
40.54
3:13.01
300 Free
40.03
3:53.04
100 Free
1:20.57
350 Free
40.24
4:33.28
400 Free
38.82
5:12.10
100 Free
1:19.06
8 Alexander Xie 5:14.34 9 AAAA Min Unattached 07/31/2025 2025 Central Zone 14 Under Championship Mee
50 Free
35.21
35.21
100 Free
39.33
1:14.54
100 Free
1:14.54
150 Free
41.40
1:55.94
200 Free
38.78
2:34.72
100 Free
1:20.18
250 Free
40.87
3:15.59
300 Free
40.77
3:56.36
100 Free
1:21.64
350 Free
40.24
4:36.60
400 Free
37.74
5:14.34
100 Free
1:17.98
9 Kayden Masongsong 5:14.89 10 AAAA Min Terrapins Swim Team 07/11/2025 2025 Age Group Championships
50 Free
35.99
35.99
100 Free
41.33
1:17.32
100 Free
1:17.32
150 Free
40.68
1:58.00
200 Free
38.92
2:36.92
100 Free
1:19.60
250 Free
40.40
3:17.32
300 Free
40.17
3:57.49
100 Free
1:20.57
350 Free
38.99
4:36.48
400 Free
38.41
5:14.89
100 Free
1:17.40
10 Albert Xiao 5:21.39 10 AAA Min AAAA: 5:20.79 (+0.60s | 0.2%) Santa Clara Swim Club 06/27/2025 Valley Splash
11 Andrew Finger 5:22.89 9 AAA Min AAAA: 5:20.79 (+2.10s | 0.7%) Unattached 08/07/2024 2024 EZ LC Age Group Championship
50 Free
34.98
34.98
100 Free
39.55
1:14.53
100 Free
1:14.53
150 Free
40.98
1:55.51
200 Free
41.57
2:37.08
100 Free
1:22.55
250 Free
41.30
3:18.38
300 Free
41.88
4:00.26
100 Free
1:23.18
350 Free
41.79
4:42.05
400 Free
40.84
5:22.89
100 Free
1:22.63
12 Parker Robinson 5:26.59 10 AAA Min AAAA: 5:20.79 (+5.80s | 1.8%) Houston Hydra 07/16/2025 2025 Texas Age Group Championships
50 Free
35.84
35.84
100 Free
41.31
1:17.15
100 Free
1:17.15
150 Free
42.09
1:59.24
200 Free
41.10
2:40.34
100 Free
1:23.19
250 Free
41.75
3:22.09
300 Free
42.37
4:04.46
100 Free
1:24.12
350 Free
42.51
4:46.97
400 Free
39.62
5:26.59
100 Free
1:22.13
13 Morgan Dasilva 5:26.70 10 AAA Min AAAA: 5:20.79 (+5.91s | 1.8%) Asphalt Green Unified Aquatics 08/06/2025 2025 Summer Elite Showcase
50 Free
36.45
36.45
100 Free
40.69
1:17.14
100 Free
1:17.14
150 Free
42.02
1:59.16
200 Free
42.36
2:41.52
100 Free
1:24.38
250 Free
42.32
3:23.84
300 Free
42.45
4:06.29
100 Free
1:24.77
350 Free
41.02
4:47.31
400 Free
39.39
5:26.70
100 Free
1:20.41
14 Nathan Liu 5:27.04 9 AAA Min AAAA: 5:20.79 (+6.25s | 1.9%) First Colony Swim Team, Inc. 07/16/2025 2025 Texas Age Group Championships
50 Free
36.98
36.98
100 Free
41.41
1:18.39
100 Free
1:18.39
150 Free
43.25
2:01.64
200 Free
42.29
2:43.93
100 Free
1:25.54
250 Free
42.37
3:26.30
300 Free
41.24
4:07.54
100 Free
1:23.61
350 Free
41.16
4:48.70
400 Free
38.34
5:27.04
100 Free
1:19.50
15 Jackson Collier 5:27.67 9 AAA Min AAAA: 5:20.79 (+6.88s | 2.1%) Cypress Fairbanks Swim Club 07/16/2025 2025 Texas Age Group Championships
50 Free
36.99
36.99
100 Free
42.82
1:19.81
100 Free
1:19.81
150 Free
43.79
2:03.60
200 Free
41.61
2:45.21
100 Free
1:25.40
250 Free
42.30
3:27.51
300 Free
42.52
4:10.03
100 Free
1:24.82
350 Free
40.15
4:50.18
400 Free
37.49
5:27.67
100 Free
1:17.64
16 Marco Sun 5:27.97 9 AAA Min AAAA: 5:20.79 (+7.18s | 2.2%) Pleasanton Seahawks 05/24/2025 2025 Tiger Aquatics C B BB+ Memorial Day Meet
17 Shunsuke Suzuki 5:28.47 10 AAA Min AAAA: 5:20.79 (+7.68s | 2.3%) Palo Alto Stanford Aquatics 07/31/2025 2025 Long Course Far Western Championship
18 Muyang Liu 5:28.59 10 AAA Min AAAA: 5:20.79 (+7.80s | 2.4%) Unattached 07/31/2025 2025 Central Zone 14 Under Championship Mee
50 Free
36.39
36.39
100 Free
41.60
1:17.99
100 Free
1:17.99
150 Free
41.33
1:59.32
200 Free
41.36
2:40.68
100 Free
1:22.69
250 Free
41.98
3:22.66
300 Free
42.56
4:05.22
100 Free
1:24.54
350 Free
42.54
4:47.76
400 Free
40.83
5:28.59
100 Free
1:23.37
19 Ryan Latronica 5:29.19 9 AAA Min AAAA: 5:20.79 (+8.40s | 2.6%) Hills Hurricane Swimming 07/31/2025 2025 Long Course Far Western Championship
20 Bennett Montague 5:29.79 9 AAA Min AAAA: 5:20.79 (+9.00s | 2.7%) Cypress Fairbanks Swim Club 07/16/2025 2025 Texas Age Group Championships
50 Free
36.75
36.75
100 Free
42.05
1:18.80
100 Free
1:18.80
150 Free
42.70
2:01.50
200 Free
43.36
2:44.86
100 Free
1:26.06
250 Free
40.92
3:25.78
300 Free
43.14
4:08.92
100 Free
1:24.06
350 Free
41.61
4:50.53
400 Free
39.26
5:29.79
100 Free
1:20.87
21 Joshua Kilpatrick 5:30.07 10 AAA Min AAAA: 5:20.79 (+9.28s | 2.8%) Streamline Aquatics 06/20/2025 2025 ST AAAA NS George Block Invite
22 Alexander Kovnatsky 5:30.85 9 AAA Min AAAA: 5:20.79 (+10.06s | 3.0%) Unattached 07/11/2025 2025 Age Group Championships
23 Stephen Huang 5:32.65 9 AAA Min AAAA: 5:20.79 (+11.86s | 3.6%) DeAnza Cupertino Aquatics 06/06/2025 2025 DACA LC CBA+ Meet
24 Austin Ren 5:34.40 8 AAA Min AAAA: 5:20.79 (+13.61s | 4.1%) Katy Aquatic Team For Youth 07/16/2025 2025 Texas Age Group Championships
50 Free
36.16
36.16
100 Free
41.57
1:17.73
100 Free
1:17.73
150 Free
41.95
1:59.68
200 Free
44.38
2:44.06
100 Free
1:26.33
250 Free
42.60
3:26.66
300 Free
43.54
4:10.20
100 Free
1:26.14
350 Free
43.14
4:53.34
400 Free
41.06
5:34.40
100 Free
1:24.20
25 Kevin Kubasik 5:34.55 9 AAA Min AAAA: 5:20.79 (+13.76s | 4.1%) Mission Viejo Nadadores 07/18/2024 2024 SCS MVN 14 Under Elite A G Champs
50 Free
35.50
35.50
100 Free
41.88
1:17.38
100 Free
1:17.38
150 Free
41.78
1:59.16
200 Free
43.20
2:42.36
100 Free
1:24.98
250 Free
43.91
3:26.27
300 Free
43.91
4:10.18
100 Free
1:27.82
350 Free
43.85
4:54.03
400 Free
40.52
5:34.55
100 Free
1:24.37
26 Jood Abu Raya 5:35.08 10 AAA Min AAAA: 5:20.79 (+14.29s | 4.3%) Unattached 07/11/2025 2025 Age Group Championships
27 Sebastian Guevara 5:35.57 10 AAA Min AAAA: 5:20.79 (+14.78s | 4.4%) Alto Swim Club 07/11/2025 2025 Age Group Championships
28 Mason Lankford 5:36.19 9 AA Min AAA: 5:36.09 (+0.10s | 0.0%) Hydro Swim Club 05/30/2025 Hydro4 Summer Open
50 Free
38.01
38.01
100 Free
40.66
1:18.67
100 Free
1:18.67
150 Free
42.61
2:01.28
200 Free
41.89
2:43.17
100 Free
1:24.50
250 Free
43.38
3:26.55
300 Free
42.22
4:08.77
100 Free
1:25.60
350 Free
43.49
4:52.26
400 Free
43.93
5:36.19
100 Free
1:27.42
29 Emmett Chen 5:36.30 10 AA Min AAA: 5:36.09 (+0.21s | 0.1%) San Ramon Valley Aquatics 07/31/2025 2025 Long Course Far Western Championship
30 Caleb Swenson 5:37.11 10 AA Min AAA: 5:36.09 (+1.02s | 0.3%) Unattached 07/31/2025 2025 Central Zone 14 Under Championship Mee
50 Free
37.41
37.41
100 Free
43.75
1:21.16
100 Free
1:21.16
150 Free
42.97
2:04.13
200 Free
44.32
2:48.45
100 Free
1:27.29
250 Free
43.14
3:31.59
300 Free
44.91
4:16.50
100 Free
1:28.05
350 Free
42.52
4:59.02
400 Free
38.09
5:37.11
100 Free
1:20.61
31 Hoshi Aono 5:37.21 8 AA Min AAA: 5:36.09 (+1.12s | 0.3%) Aquazot Swim Club 07/18/2024 2024 SCS MVN 14 Under Elite A G Champs
50 Free
36.61
36.61
100 Free
42.37
1:18.98
100 Free
1:18.98
150 Free
43.13
2:02.11
200 Free
41.56
2:43.67
100 Free
1:24.69
250 Free
44.96
3:28.63
300 Free
43.57
4:12.20
100 Free
1:28.53
350 Free
43.83
4:56.03
400 Free
41.18
5:37.21
100 Free
1:25.01
32 Brennan Garr 5:37.73 10 AA Min AAA: 5:36.09 (+1.64s | 0.5%) Bellevue Club Swim Team 10/19/2025 2025 PN BC Pumpkin 400
50 Free
36.78
36.78
100 Free
41.47
1:18.25
100 Free
1:18.25
150 Free
42.47
2:00.72
200 Free
42.66
2:43.38
100 Free
1:25.13
250 Free
43.31
3:26.69
300 Free
43.80
4:10.49
100 Free
1:27.11
350 Free
44.43
4:54.92
400 Free
42.81
5:37.73
100 Free
1:27.24
33 Keaston Meek 5:37.97 10 AA Min AAA: 5:36.09 (+1.88s | 0.6%) Oklahoma Swimming 07/31/2025 2025 Central Zone 14 Under Championship Mee
50 Free
35.44
35.44
100 Free
40.81
1:16.25
100 Free
1:16.25
150 Free
44.19
2:00.44
200 Free
43.65
2:44.09
100 Free
1:27.84
250 Free
44.59
3:28.68
300 Free
43.38
4:12.06
100 Free
1:27.97
350 Free
44.77
4:56.83
400 Free
41.14
5:37.97
100 Free
1:25.91
34 Jeffrey Hill 5:38.57 10 AA Min AAA: 5:36.09 (+2.48s | 0.7%) Saint Andrew\\\\\\'s Aquatics 01/17/2026 2026 Azura Winter Open LCM Invite
35 Kamran Clapp 5:38.81 10 AA Min AAA: 5:36.09 (+2.72s | 0.8%) Bellevue Club Swim Team 10/19/2025 2025 PN BC Pumpkin 400
50 Free
38.00
38.00
100 Free
43.06
1:21.06
100 Free
1:21.06
150 Free
42.61
2:03.67
200 Free
43.92
2:47.59
100 Free
1:26.53
250 Free
44.34
3:31.93
300 Free
43.97
4:15.90
100 Free
1:28.31
350 Free
43.01
4:58.91
400 Free
39.90
5:38.81
100 Free
1:22.91
36 Ethan Kang 5:39.19 10 AA Min AAA: 5:36.09 (+3.10s | 0.9%) Santa Clara Swim Club 06/27/2025 Valley Splash
37 Robert Richards 5:39.32 9 AA Min AAA: 5:36.09 (+3.23s | 1.0%) Bolles School Sharks 07/10/2025 2025 FL Summer Age Group Championships
50 Free
38.55
38.55
100 Free
41.91
1:20.46
100 Free
1:20.46
150 Free
42.90
2:03.36
200 Free
43.26
2:46.62
100 Free
1:26.16
250 Free
44.09
3:30.71
300 Free
44.82
4:15.53
100 Free
1:28.91
350 Free
43.58
4:59.11
400 Free
40.21
5:39.32
100 Free
1:23.79
38 Axel Arnoldsson 5:39.93 10 AA Min AAA: 5:36.09 (+3.84s | 1.1%) Fenix Swim Club 01/17/2026 2026 Azura Winter Open LCM Invite
39 David Goldenberg 5:40.97 10 AA Min AAA: 5:36.09 (+4.88s | 1.4%) Bellevue Club Swim Team 10/19/2025 2025 PN BC Pumpkin 400
50 Free
37.17
37.17
100 Free
42.99
1:20.16
100 Free
1:20.16
150 Free
43.56
2:03.72
200 Free
43.91
2:47.63
100 Free
1:27.47
250 Free
44.20
3:31.83
300 Free
43.89
4:15.72
100 Free
1:28.09
350 Free
44.23
4:59.95
400 Free
41.02
5:40.97
100 Free
1:25.25
40 Colton Mueller 5:41.19 9 AA Min AAA: 5:36.09 (+5.10s | 1.5%) Coast Gaurd Blue Dolphins 07/25/2024 2024 VA LC Age Group Championships
50 Free
37.55
37.55
100 Free
41.33
1:18.88
100 Free
1:18.88
150 Free
43.31
2:02.19
200 Free
43.71
2:45.90
100 Free
1:27.02
250 Free
45.32
3:31.22
300 Free
44.83
4:16.05
100 Free
1:30.15
350 Free
45.42
5:01.47
400 Free
39.72
5:41.19
100 Free
1:25.14
41 Yassin Hammad 5:41.59 10 AA Min AAA: 5:36.09 (+5.50s | 1.6%) Patriot Swim Club 07/31/2025 2025 Long Course Far Western Championship
42 Sebastian Horn-Rios 5:42.12 9 AA Min AAA: 5:36.09 (+6.03s | 1.8%) T2 Aquatics 07/10/2025 2025 FL Summer Age Group Championships
50 Free
38.25
38.25
100 Free
43.31
1:21.56
100 Free
1:21.56
150 Free
43.12
2:04.68
200 Free
43.29
2:47.97
100 Free
1:26.41
250 Free
44.59
3:32.56
300 Free
46.02
4:18.58
100 Free
1:30.61
350 Free
43.13
5:01.71
400 Free
40.41
5:42.12
100 Free
1:23.54
43 Jasen Brice 5:42.66 10 AA Min AAA: 5:36.09 (+6.57s | 1.9%) Tampa Bay Aquatic Club 07/10/2025 2025 FL Summer Age Group Championships
50 Free
37.26
37.26
100 Free
42.99
1:20.25
100 Free
1:20.25
150 Free
44.31
2:04.56
200 Free
43.83
2:48.39
100 Free
1:28.14
250 Free
44.82
3:33.21
300 Free
44.17
4:17.38
100 Free
1:28.99
350 Free
45.22
5:02.60
400 Free
40.06
5:42.66
100 Free
1:25.28
44 Eli Savitski 5:43.80 10 AA Min AAA: 5:36.09 (+7.71s | 2.2%) Highlander Aquatic Club 05/16/2025 2025 PA Long Course Invite
50 Free
38.60
38.60
100 Free
42.62
1:21.22
100 Free
1:21.22
150 Free
43.27
2:04.49
200 Free
44.48
2:48.97
100 Free
1:27.75
250 Free
43.66
3:32.63
300 Free
43.98
4:16.61
100 Free
1:27.64
350 Free
44.64
5:01.25
400 Free
42.55
5:43.80
100 Free
1:27.19
45 Declan Benton 5:43.97 10 AA Min AAA: 5:36.09 (+7.88s | 2.3%) Sawtooth Aquatic Club 07/05/2025 Sawtooth Last Chance Time Trial
46 Finn McGuire 5:44.31 10 AA Min AAA: 5:36.09 (+8.22s | 2.4%) Swim Florida 07/10/2025 2025 FL Summer Age Group Championships
50 Free
39.79
39.79
100 Free
44.59
1:24.38
100 Free
1:24.38
150 Free
44.85
2:09.23
200 Free
45.03
2:54.26
100 Free
1:29.88
250 Free
44.32
3:38.58
300 Free
44.01
4:22.59
100 Free
1:28.33
350 Free
41.71
5:04.30
400 Free
40.01
5:44.31
100 Free
1:21.72
47 Luka O'Brien 5:45.65 9 AA Min AAA: 5:36.09 (+9.56s | 2.8%) The Woodlands Swim Team 07/16/2025 2025 Texas Age Group Championships
50 Free
38.75
38.75
100 Free
43.59
1:22.34
100 Free
1:22.34
150 Free
44.37
2:06.71
200 Free
44.34
2:51.05
100 Free
1:28.71
250 Free
43.55
3:34.60
300 Free
44.43
4:19.03
100 Free
1:27.98
350 Free
44.21
5:03.24
400 Free
42.41
5:45.65
100 Free
1:26.62
48 Troy Cary 5:45.74 9 AA Min AAA: 5:36.09 (+9.65s | 2.8%) Alamo Area Aquatic Association 07/10/2025 2025 ST AAAA STAGS LC Championship
50 Free
39.05
39.05
100 Free
44.14
1:23.19
100 Free
1:23.19
150 Free
44.57
2:07.76
200 Free
44.69
2:52.45
100 Free
1:29.26
250 Free
44.47
3:36.92
300 Free
44.48
4:21.40
100 Free
1:28.95
350 Free
43.87
5:05.27
400 Free
40.47
5:45.74
100 Free
1:24.34
49 Jair Ortega 5:46.10 10 AA Min AAA: 5:36.09 (+10.01s | 2.9%) Austin Swim Club 06/13/2025 2025 ST ASC Firecracker
50 Free
38.19
38.19
100 Free
43.36
1:21.55
100 Free
1:21.55
150 Free
44.13
2:05.68
200 Free
44.02
2:49.70
100 Free
1:28.15
250 Free
44.50
3:34.20
300 Free
45.44
4:19.64
100 Free
1:29.94
350 Free
44.58
5:04.22
400 Free
41.88
5:46.10
100 Free
1:26.46
50 Nolan Stumpf 5:46.61 10 AA Min AAA: 5:36.09 (+10.52s | 3.0%) Aquajets Swim Team 07/23/2025 2025 MN NSAC 10 U LC State Championship
50 Free
37.83
37.83
100 Free
44.74
1:22.57
100 Free
1:22.57
150 Free
45.02
2:07.59
200 Free
44.67
2:52.26
100 Free
1:29.69
250 Free
44.97
3:37.23
300 Free
44.46
4:21.69
100 Free
1:29.43
350 Free
43.07
5:04.76
400 Free
41.85
5:46.61
100 Free
1:24.92

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