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USA Boys 15-16 - 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
301 Nathan Walkington 4:59.58 16 AA Min AAA: 4:54.39 (+5.19s | 1.7%) Unattached 08/01/2024 2024 Central Zone 14 U Championship ND
50 Fly
30.96
30.96
100 Fly
35.44
1:06.40
100 Fly
1:06.40
150 Back
40.25
1:46.65
200 Back
39.44
2:26.09
100 Back
1:19.69
250 Breast
42.73
3:08.82
300 Breast
42.41
3:51.23
100 Breast
1:25.14
350 Free
34.53
4:25.76
400 Free
33.82
4:59.58
100 Free
1:08.35
302 Anders Koschmann 4:59.59 16 AA Min AAA: 4:54.39 (+5.20s | 1.7%) Riptide Swim Team 06/06/2025 2025 CO FAST June Bonanza
50 Fly
30.56
30.56
100 Fly
36.58
1:07.14
100 Fly
1:07.14
150 Back
37.50
1:44.64
200 Back
36.43
2:21.07
100 Back
1:13.93
250 Breast
45.23
3:06.30
300 Breast
45.29
3:51.59
100 Breast
1:30.52
350 Free
34.42
4:26.01
400 Free
33.58
4:59.59
100 Free
1:08.00
303 Jacob Idio 4:59.61 16 AA Min AAA: 4:54.39 (+5.22s | 1.7%) Burlingame Aquatics 06/28/2025 Orinda Aquatics LC Senior Open Meet
304 Seth Basilio 4:59.66 16 AA Min AAA: 4:54.39 (+5.27s | 1.8%) Sandpipers of Nevada 01/17/2025 2025 Road To LA28
50 Fly
31.34
31.34
100 Fly
35.54
1:06.88
100 Fly
1:06.88
150 Back
39.46
1:46.34
200 Back
39.44
2:25.78
100 Back
1:18.90
250 Breast
43.81
3:09.59
300 Breast
43.51
3:53.10
100 Breast
1:27.32
350 Free
34.35
4:27.45
400 Free
32.21
4:59.66
100 Free
1:06.56
305 David Beaird 4:59.77 15 AA Min AAA: 4:54.39 (+5.38s | 1.8%) Texas Ford Aquatics 07/16/2025 2025 Texas Age Group Championships
50 Fly
30.29
30.29
100 Fly
35.65
1:05.94
100 Fly
1:05.94
150 Back
38.13
1:44.07
200 Back
37.33
2:21.40
100 Back
1:15.46
250 Breast
43.51
3:04.91
300 Breast
43.18
3:48.09
100 Breast
1:26.69
350 Free
36.44
4:24.53
400 Free
35.24
4:59.77
100 Free
1:11.68
306 Jacob Thorpe 4:59.84 16 AA Min AAA: 4:54.39 (+5.45s | 1.8%) Occoquan Swimming 07/29/2025 2025 ISCA Summer Senior Blast
50 Fly
31.06
31.06
100 Fly
35.66
1:06.72
100 Fly
1:06.72
150 Back
38.44
1:45.16
200 Back
39.30
2:24.46
100 Back
1:17.74
250 Breast
44.35
3:08.81
300 Breast
44.14
3:52.95
100 Breast
1:28.49
350 Free
34.15
4:27.10
400 Free
32.74
4:59.84
100 Free
1:06.89
307 Austin Chen 4:59.91 16 AA Min AAA: 4:54.39 (+5.52s | 1.8%) Aquazot Swim Club 05/23/2025 2025 CA 29th NOVA Speedo Grand Challenge
50 Fly
31.81
31.81
100 Fly
35.84
1:07.65
100 Fly
1:07.65
150 Back
38.06
1:45.71
200 Back
37.61
2:23.32
100 Back
1:15.67
250 Breast
44.22
3:07.54
300 Breast
45.34
3:52.88
100 Breast
1:29.56
350 Free
34.61
4:27.49
400 Free
32.42
4:59.91
100 Free
1:07.03
308 Gibson Jones 4:59.92 15 AA Min AAA: 4:54.39 (+5.53s | 1.8%) Nova of Virginia 07/25/2024 2024 VA LC Age Group Championships
100 Fly
1:08.17
1:08.17
100 Fly
1:08.17
200 Back
1:16.22
2:24.39
100 Back
1:16.22
300 Breast
1:28.94
3:53.33
100 Breast
1:28.94
400 Free
1:06.59
4:59.92
100 Free
1:06.59
309 Allen Bertelson 4:59.94 16 AA Min AAA: 4:54.39 (+5.55s | 1.9%) Minnetonka Swim Club 07/31/2025 2025 ND DRGN MN Senior LC State Championship
50 Fly
30.40
30.40
100 Fly
34.92
1:05.32
100 Fly
1:05.32
150 Back
38.33
1:43.65
200 Back
36.44
2:20.09
100 Back
1:14.77
250 Breast
45.61
3:05.70
300 Breast
47.23
3:52.93
100 Breast
1:32.84
350 Free
33.86
4:26.79
400 Free
33.15
4:59.94
100 Free
1:07.01
310 Gavin Johnson 4:59.97 15 AA Min AAA: 4:54.39 (+5.58s | 1.9%) Tualatin Hills Swim Club 07/11/2025 2025 THSC Summer Classic
311 Nick Miroshnichenko 5:00.00 15 AA Min AAA: 4:54.39 (+5.61s | 1.9%) Wolverine Aquatics 01/25/2026 2026 THE OLYMPIC CLUB DISTANCE CHALLENGE
50 Fly
30.90
30.90
100 Fly
34.97
1:05.87
100 Fly
1:05.87
150 Back
40.98
1:46.85
200 Back
40.32
2:27.17
100 Back
1:21.30
250 Breast
41.78
3:08.95
300 Breast
43.24
3:52.19
100 Breast
1:25.02
350 Free
34.13
4:26.32
400 Free
33.68
5:00.00
100 Free
1:07.81
312 Kyle Sarmiento 5:00.01 16 AA Min AAA: 4:54.39 (+5.62s | 1.9%) Brea Aquatics 07/23/2025 2025 CA SCS Summer A G Champs
313 Johann Monis 5:00.02 15 AA Min AAA: 4:54.39 (+5.63s | 1.9%) Pleasanton Seahawks 07/11/2025 2025 Age Group Championships
50 Fly
31.10
31.10
100 Fly
36.10
1:07.20
100 Fly
1:07.20
150 Back
38.64
1:45.84
200 Back
37.97
2:23.81
100 Back
1:16.61
250 Breast
44.37
3:08.18
300 Breast
44.59
3:52.78
100 Breast
1:28.97
350 Free
34.74
4:27.52
400 Free
32.50
5:00.02
100 Free
1:07.24
314 Toby Huang 5:00.04 15 AA Min AAA: 4:54.39 (+5.65s | 1.9%) Pleasanton Seahawks 07/12/2024 Summer Age Group LCM Championships
315 Tyson Boyd 5:00.06 15 AA Min AAA: 4:54.39 (+5.67s | 1.9%) Unattached 08/07/2024 2024 Western Zone Age Group Championships
100 Fly
1:08.65
1:08.65
100 Fly
1:08.65
200 Back
1:18.26
2:26.91
100 Back
1:18.26
300 Breast
1:24.38
3:51.29
100 Breast
1:24.38
400 Free
1:08.77
5:00.06
100 Free
1:08.77
316 Marcel Cowley 5:00.15 15 AA Min AAA: 4:54.39 (+5.76s | 1.9%) Gulliver Swim Club 02/12/2026 2026 SZSS Spring Championships
50 Fly
30.70
30.70
100 Fly
35.48
1:06.18
100 Fly
1:06.18
150 Back
38.01
1:44.19
200 Back
37.07
2:21.26
100 Back
1:15.08
250 Breast
45.56
3:06.82
300 Breast
45.48
3:52.30
100 Breast
1:31.04
350 Free
34.66
4:26.96
400 Free
33.19
5:00.15
100 Free
1:07.85
317 Easton Ketterling 5:00.15 15 AA Min AAA: 4:54.39 (+5.76s | 1.9%) Unattached 07/31/2025 2025 Central Zone 14 Under Championship Mee
50 Fly
32.18
32.18
100 Fly
36.28
1:08.47
100 Fly
1:08.47
150 Back
37.29
1:45.76
200 Back
37.42
2:23.18
100 Back
1:14.71
250 Breast
44.25
3:07.43
300 Breast
44.14
3:51.57
100 Breast
1:28.39
350 Free
34.23
4:25.80
400 Free
34.35
5:00.15
100 Free
1:08.58
318 Alex Xu 5:00.19 15 AA Min AAA: 4:54.39 (+5.80s | 1.9%) Santa Clara Swim Club 07/11/2025 2025 Age Group Championships
50 Fly
30.75
30.75
100 Fly
36.52
1:07.27
100 Fly
1:07.27
150 Back
39.62
1:46.89
200 Back
40.64
2:27.53
100 Back
1:20.26
250 Breast
41.54
3:09.07
300 Breast
43.61
3:52.68
100 Breast
1:25.15
400 Free
1:07.51
5:00.19
100 Free
1:07.51
319 Theodore Pham 5:00.22 16 AA Min AAA: 4:54.39 (+5.83s | 1.9%) Arcadia Riptides Swim Club 06/12/2025 2025 SCS June AG Invite @ La Mirada Armada
320 Cooper Swartz 5:00.26 16 AA Min AAA: 4:54.39 (+5.87s | 2.0%) Tide Swimming 07/25/2024 2024 VA LC Age Group Championships
50 Fly
31.17
31.17
100 Fly
36.03
1:07.20
100 Fly
1:07.20
150 Back
40.55
1:47.75
200 Back
38.29
2:26.04
100 Back
1:18.84
250 Breast
42.78
3:08.82
300 Breast
43.20
3:52.02
100 Breast
1:25.98
350 Free
35.69
4:27.71
400 Free
32.55
5:00.26
100 Free
1:08.24
321 Adrian Esteban 5:00.30 16 AA Min AAA: 4:54.39 (+5.91s | 2.0%) Patriot Aquatics 07/17/2025 2025 Florida Summer Senior Championships
50 Fly
31.28
31.28
100 Fly
35.73
1:07.01
100 Fly
1:07.01
150 Back
37.57
1:44.58
200 Back
39.18
2:23.76
100 Back
1:16.75
250 Breast
43.85
3:07.61
300 Breast
44.39
3:52.00
100 Breast
1:28.24
350 Free
34.85
4:26.85
400 Free
33.45
5:00.30
100 Free
1:08.30
322 William Zuo 5:00.49 16 AA Min AAA: 4:54.39 (+6.10s | 2.0%) Unattached 08/08/2024 2024 Central Zone 14 U Championship IOWA
50 Fly
30.73
30.73
100 Fly
36.11
1:06.84
100 Fly
1:06.84
150 Back
39.50
1:46.34
200 Back
39.59
2:25.93
100 Back
1:19.09
250 Breast
40.69
3:06.62
300 Breast
42.53
3:49.15
100 Breast
1:23.22
350 Free
35.80
4:24.95
400 Free
35.54
5:00.49
100 Free
1:11.34
323 Joseph Bangali 5:00.56 15 AA Min AAA: 4:54.39 (+6.17s | 2.1%) Unattached 08/07/2024 2024 EZ LC Age Group Championship
50 Fly
31.19
31.19
100 Fly
37.03
1:08.22
100 Fly
1:08.22
150 Back
39.96
1:48.18
200 Back
40.39
2:28.57
100 Back
1:20.35
250 Breast
40.44
3:09.01
300 Breast
42.89
3:51.90
100 Breast
1:23.33
350 Free
34.33
4:26.23
400 Free
34.33
5:00.56
100 Free
1:08.66
324 Maxim Nekrestyanov 5:00.57 16 AA Min AAA: 4:54.39 (+6.18s | 2.1%) Santa Clara Swim Club 07/31/2025 2025 Long Course Far Western Championship
325 Wayko Sanders 5:00.57 15 AA Min AAA: 4:54.39 (+6.18s | 2.1%) Team Eugene Aquatics 07/24/2025 2025 OSI Arena 11 O LC Championships
50 Fly
30.41
30.41
100 Fly
34.48
1:04.89
100 Fly
1:04.89
150 Back
38.14
1:43.03
200 Back
37.51
2:20.54
100 Back
1:15.65
250 Breast
45.26
3:05.80
300 Breast
45.49
3:51.29
100 Breast
1:30.75
350 Free
35.23
4:26.52
400 Free
34.05
5:00.57
100 Free
1:09.28
326 Landen Tran 5:00.61 16 AA Min AAA: 4:54.39 (+6.22s | 2.1%) Swim Neptune 07/17/2025 2025 Speedo Sectionals Mt Hood WZ
327 William McCONLOGUE 5:00.64 15 AA Min AAA: 4:54.39 (+6.25s | 2.1%) San Ramon Valley Aquatics 05/24/2025 2025 Tiger Aquatics C B BB+ Memorial Day Meet
328 Gage Wright 5:00.72 15 AA Min AAA: 4:54.39 (+6.33s | 2.1%) Bolles School Sharks 07/17/2025 2025 Florida Summer Senior Championships
50 Fly
31.29
31.29
100 Fly
36.40
1:07.69
100 Fly
1:07.69
150 Back
37.65
1:45.34
200 Back
38.77
2:24.11
100 Back
1:16.42
250 Breast
44.34
3:08.45
300 Breast
45.54
3:53.99
100 Breast
1:29.88
350 Free
33.98
4:27.97
400 Free
32.75
5:00.72
100 Free
1:06.73
329 Hugh Harrell 5:00.75 16 AA Min AAA: 4:54.39 (+6.36s | 2.1%) Nova of Virginia 04/26/2024 NOVA LC Kick Off
50 Fly
30.93
30.93
100 Fly
34.38
1:05.31
100 Fly
1:05.31
150 Back
38.68
1:43.99
200 Back
39.18
2:23.17
100 Back
1:17.86
250 Breast
42.76
3:05.93
300 Breast
43.42
3:49.35
100 Breast
1:26.18
350 Free
36.22
4:25.57
400 Free
35.18
5:00.75
100 Free
1:11.40
330 Dylan Kim 5:00.84 15 AA Min AAA: 4:54.39 (+6.45s | 2.1%) San Ramon Valley Aquatics 07/11/2025 2025 Age Group Championships
331 Asher Howe 5:00.88 15 AA Min AAA: 4:54.39 (+6.49s | 2.2%) Unattached 08/06/2025 2025 Western Zone Age Group Championships
332 Evander Lim 5:00.88 15 AA Min AAA: 4:54.39 (+6.49s | 2.2%) Unattached 08/06/2025 2025 Western Zone Age Group Championships
333 Lawrence Geer 5:00.95 16 AA Min AAA: 4:54.39 (+6.56s | 2.2%) Scottsdale Aquatic Club 07/17/2025 2025 Speedo Sectionals Mt Hood WZ
334 Marcus Lee 5:01.10 15 AA Min AAA: 4:54.39 (+6.71s | 2.2%) Rose Bowl Aquatics 07/23/2025 2025 CA SCS Summer A G Champs
50 Fly
31.05
31.05
100 Fly
35.10
1:06.15
100 Fly
1:06.15
150 Back
38.83
1:44.98
200 Back
38.83
2:23.81
100 Back
1:17.66
250 Breast
44.27
3:08.08
300 Breast
45.04
3:53.12
100 Breast
1:29.31
350 Free
34.88
4:28.00
400 Free
33.10
5:01.10
100 Free
1:07.98
335 Greyson McKelvey 5:01.12 16 AA Min AAA: 4:54.39 (+6.73s | 2.2%) Team Pittsburgh Elite Aquatics 05/16/2025 Busbey Invitational 2025
50 Fly
30.06
30.06
100 Fly
33.11
1:03.17
100 Fly
1:03.17
150 Back
41.43
1:44.60
200 Back
39.78
2:24.38
100 Back
1:21.21
250 Breast
44.78
3:09.16
300 Breast
45.58
3:54.74
100 Breast
1:30.36
350 Free
33.79
4:28.53
400 Free
32.59
5:01.12
100 Free
1:06.38
336 Nathan Agens 5:01.19 16 AA Min AAA: 4:54.39 (+6.80s | 2.3%) Unattached 08/07/2024 2024 EZ LC Age Group Championship
50 Fly
30.05
30.05
100 Fly
33.93
1:03.98
100 Fly
1:03.98
150 Back
40.36
1:44.34
200 Back
39.23
2:23.57
100 Back
1:19.59
250 Breast
45.21
3:08.78
300 Breast
44.84
3:53.62
100 Breast
1:30.05
350 Free
34.54
4:28.16
400 Free
33.03
5:01.19
100 Free
1:07.57
337 Akhilleys Gonzalez Isiordia 5:01.19 16 AA Min AAA: 4:54.39 (+6.80s | 2.3%) Rosarito Nadadores 06/16/2023 2023 CA SCS June AG Invite @ La Mirada Armada
50 Fly
30.76
30.76
100 Fly
35.17
1:05.93
100 Fly
1:05.93
150 Back
40.67
1:46.60
200 Back
40.23
2:26.83
100 Back
1:20.90
250 Breast
45.31
3:12.14
300 Breast
43.80
3:55.94
100 Breast
1:29.11
350 Free
33.33
4:29.27
400 Free
31.92
5:01.19
100 Free
1:05.25
338 Ethan Ma 5:01.25 15 AA Min AAA: 4:54.39 (+6.86s | 2.3%) Aquazot Swim Club 07/24/2025 2025 CA SCS RAA Summer A G Champs
50 Fly
31.16
31.16
100 Fly
37.43
1:08.59
100 Fly
1:08.59
150 Back
40.38
1:48.97
200 Back
38.93
2:27.90
100 Back
1:19.31
250 Breast
41.43
3:09.33
300 Breast
42.93
3:52.26
100 Breast
1:24.36
350 Free
34.73
4:26.99
400 Free
34.26
5:01.25
100 Free
1:08.99
339 Anton Mazepa 5:01.36 16 AA Min AAA: 4:54.39 (+6.97s | 2.3%) Wave Aquatics 05/31/2025 2025 PN VAST Summer Sprints And Distance Chal
340 Timur Kenzin 5:01.38 16 AA Min AAA: 4:54.39 (+6.99s | 2.3%) Tampa Elite Aquatics 07/17/2025 2025 Florida Summer Senior Championships
50 Fly
30.76
30.76
100 Fly
35.59
1:06.35
100 Fly
1:06.35
150 Back
41.81
1:48.16
200 Back
40.59
2:28.75
100 Back
1:22.40
250 Breast
42.96
3:11.71
300 Breast
44.35
3:56.06
100 Breast
1:27.31
350 Free
32.78
4:28.84
400 Free
32.54
5:01.38
100 Free
1:05.32
341 Kenneth Ho 5:01.51 16 AA Min AAA: 4:54.39 (+7.12s | 2.4%) Fast Swim Team 07/24/2025 2025 CA SCS RAA Summer A G Champs
50 Fly
32.25
32.25
100 Fly
37.31
1:09.57
100 Fly
1:09.57
150 Back
40.17
1:49.74
200 Back
40.06
2:29.80
100 Back
1:20.23
250 Breast
42.25
3:12.05
300 Breast
43.35
3:55.40
100 Breast
1:25.60
350 Free
33.35
4:28.75
400 Free
32.76
5:01.51
100 Free
1:06.11
342 Jerrick Yong 5:01.51 16 AA Min AAA: 4:54.39 (+7.12s | 2.4%) Alto Swim Club 07/12/2024 Summer Age Group LCM Championships
343 Jacob Roberts 5:01.64 15 AA Min AAA: 4:54.39 (+7.25s | 2.4%) West Florida Lightning Aquatic 07/10/2025 2025 FL Summer Age Group Championships
50 Fly
30.33
30.33
100 Fly
34.78
1:05.11
100 Fly
1:05.11
150 Back
39.78
1:44.89
200 Back
40.43
2:25.32
100 Back
1:20.21
250 Breast
43.78
3:09.10
300 Breast
44.45
3:53.55
100 Breast
1:28.23
350 Free
35.17
4:28.72
400 Free
32.92
5:01.64
100 Free
1:08.09
344 Daniil Son 5:01.65 15 AA Min AAA: 4:54.39 (+7.26s | 2.4%) Mission Aurora Colorado Swimmi 04/25/2025 2025 CO TOPS Arena Catch Me If You Can
50 Fly
32.11
32.11
100 Fly
34.52
1:06.64
100 Fly
1:06.64
150 Back
39.49
1:46.13
200 Back
38.03
2:24.16
100 Back
1:17.52
250 Breast
44.00
3:08.16
300 Breast
43.52
3:51.68
100 Breast
1:27.52
350 Free
36.33
4:28.01
400 Free
33.64
5:01.65
100 Free
1:09.97
345 Neil Sethi 5:01.66 15 AA Min AAA: 4:54.39 (+7.27s | 2.4%) Scarlet Aquatics 07/11/2025 2025 LAI Entries
346 Tommy Chern 5:01.69 16 AA Min AAA: 4:54.39 (+7.30s | 2.4%) Seattle Metropolitan Aquatic C 07/17/2025 2025 PN 13 O LC Senior Championships
347 Leonardo Patino Hurtado 5:01.71 15 AA Min AAA: 4:54.39 (+7.32s | 2.4%) Katy Aquatic Team For Youth 07/16/2025 2025 Texas Age Group Championships
50 Fly
31.47
31.47
100 Fly
36.60
1:08.07
100 Fly
1:08.07
150 Back
40.77
1:48.84
200 Back
38.91
2:27.75
100 Back
1:19.68
250 Breast
42.67
3:10.42
300 Breast
43.73
3:54.15
100 Breast
1:26.40
350 Free
33.80
4:27.95
400 Free
33.76
5:01.71
100 Free
1:07.56
348 Shutong Cui 5:01.75 16 AA Min AAA: 4:54.39 (+7.36s | 2.4%) Bolles School Sharks 06/26/2025 2025 June TYR Classic
50 Fly
30.11
30.11
100 Fly
34.85
1:04.96
100 Fly
1:04.96
150 Back
41.52
1:46.48
200 Back
41.02
2:27.50
100 Back
1:22.54
250 Breast
43.23
3:10.73
300 Breast
44.13
3:54.86
100 Breast
1:27.36
350 Free
35.94
4:30.80
400 Free
30.95
5:01.75
100 Free
1:06.89
349 Kirin Bullock 5:01.76 16 AA Min AAA: 4:54.39 (+7.37s | 2.4%) Can Ridge Meadows Swim Club 07/25/2024 2024 Long Course Far Western Championship
350 Trevor Bagdanoff 5:01.77 15 AA Min AAA: 4:54.39 (+7.38s | 2.4%) Bend Swim Club 07/24/2025 2025 OSI Arena 11 O LC Championships

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.