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Western Zone Zone Boys 10 & under - 400 M Free

These rankings show the swimmers' placement within their Zone.
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
51 Kellan Naisbitt 5:47.50 10 AA Min AAA: 5:36.09 (+11.41s | 3.3%) Mission Viejo Nadadores 07/16/2026 2026 SCS ELITE Age Group LCM Championship
50 Free
38.10
38.10
100 Free
43.31
1:21.41
100 Free
1:21.41
150 Free
45.58
2:06.99
200 Free
45.31
2:52.30
100 Free
1:30.89
250 Free
45.20
3:37.50
300 Free
45.57
4:23.07
100 Free
1:30.77
350 Free
43.42
5:06.49
400 Free
41.01
5:47.50
100 Free
1:24.43
52 Kaimana Hashimoto 5:47.81 10 AA Min AAA: 5:36.09 (+11.72s | 3.4%) Splash Aquatics 05/02/2026 Keiko Price Sprint Meet Aloha Mile
53 Clayton Chester 5:48.07 10 AA Min AAA: 5:36.09 (+11.98s | 3.4%) Heartland Swim Assoc 04/24/2026 2026 SI PS ABB Meet Friday Night
50 Free
38.10
38.10
100 Free
44.64
1:22.74
100 Free
1:22.74
150 Free
44.86
2:07.60
200 Free
44.27
2:51.87
100 Free
1:29.13
250 Free
45.42
3:37.29
300 Free
44.42
4:21.71
100 Free
1:29.84
350 Free
45.68
5:07.39
400 Free
40.68
5:48.07
100 Free
1:26.36
54 Leon Escarcega Hernandez 5:48.18 10 AA Min AAA: 5:36.09 (+12.09s | 3.5%) Halcones Marinos Capn 05/01/2026 2026 ST AAAA 23rd Annual Cinco De Mayo
50 Free
34.96
34.96
100 Free
41.34
1:16.30
100 Free
1:16.30
150 Free
43.65
1:59.95
200 Free
43.22
2:43.17
100 Free
1:26.87
250 Free
42.03
3:25.20
300 Free
39.97
4:05.17
100 Free
1:22.00
400 Free
1:43.01
5:48.18
100 Free
1:43.01
55 Mateo Sison 5:48.33 10 AA Min AAA: 5:36.09 (+12.24s | 3.5%) San Ramon Valley Aquatics 07/17/2026 2026 Adam Szmidt Memorial PC Summer AG Champs
50 Free
38.24
38.24
100 Free
42.75
1:20.99
100 Free
1:20.99
150 Free
46.30
2:07.29
200 Free
43.86
2:51.15
100 Free
1:30.16
250 Free
46.42
3:37.57
300 Free
44.60
4:22.17
100 Free
1:31.02
350 Free
45.27
5:07.44
400 Free
40.89
5:48.33
100 Free
1:26.16
56 Aden Sun 5:48.75 10 AA Min AAA: 5:36.09 (+12.66s | 3.6%) Burlingame Aquatics 07/17/2026 2026 Adam Szmidt Memorial PC Summer AG Champs
50 Free
38.48
38.48
100 Free
43.57
1:22.05
100 Free
1:22.05
150 Free
44.82
2:06.87
200 Free
44.66
2:51.53
100 Free
1:29.48
250 Free
45.06
3:36.59
300 Free
45.19
4:21.78
100 Free
1:30.25
350 Free
45.02
5:06.80
400 Free
41.95
5:48.75
100 Free
1:26.97
57 Chase Witt 5:49.49 10 AA Min AAA: 5:36.09 (+13.40s | 3.8%) Gold\\\\\\'s Aquatics Club (Camas) 04/25/2026 GACC Spring Invitational
50 Free
40.54
40.54
100 Free
44.82
1:25.36
100 Free
1:25.36
150 Free
44.79
2:10.15
200 Free
45.51
2:55.66
100 Free
1:30.30
250 Free
43.25
3:38.91
300 Free
44.82
4:23.73
100 Free
1:28.07
350 Free
43.42
5:07.15
400 Free
42.34
5:49.49
100 Free
1:25.76
58 Carson Yin 5:50.48 10 AA Min AAA: 5:36.09 (+14.39s | 4.1%) Tualatin Hills Swim Club 06/12/2026 2026 THSC June Open
50 Free
39.27
39.27
100 Free
43.82
1:23.09
100 Free
1:23.09
150 Free
45.75
2:08.84
200 Free
45.51
2:54.35
100 Free
1:31.26
250 Free
44.35
3:38.70
300 Free
46.06
4:24.76
100 Free
1:30.41
350 Free
44.04
5:08.80
400 Free
41.68
5:50.48
100 Free
1:25.72
59 Winston Chase 5:50.80 10 AA Min AAA: 5:36.09 (+14.71s | 4.2%) Utah Valley Aquatics 07/17/2025 2025 UTAGS LC Championships
50 Free
40.91
40.91
100 Free
44.92
1:25.83
100 Free
1:25.83
150 Free
45.90
2:11.73
200 Free
45.64
2:57.37
100 Free
1:31.54
250 Free
46.63
3:44.00
300 Free
45.32
4:29.32
100 Free
1:31.95
350 Free
40.85
5:10.17
400 Free
40.63
5:50.80
100 Free
1:21.48
60 Liam Reyes 5:53.64 10 A Min AA: 5:51.39 (+2.25s | 0.6%) Reno Aquatic Club 07/10/2026 2026 NNA Silver State Championships
50 Free
40.01
40.01
100 Free
44.63
1:24.64
100 Free
1:24.64
150 Free
47.06
2:11.70
200 Free
43.50
2:55.20
100 Free
1:30.56
250 Free
46.45
3:41.65
300 Free
44.96
4:26.61
100 Free
1:31.41
350 Free
44.81
5:11.42
400 Free
42.22
5:53.64
100 Free
1:27.03
61 Paxton Goldsborough 5:53.96 10 A Min AA: 5:51.39 (+2.57s | 0.7%) Academy Swim Club 06/06/2026 BIG ISLAND SWIMMING @ KSH
62 Guo-shiun Gau 5:54.53 10 A Min AA: 5:51.39 (+3.14s | 0.9%) Seattle Metropolitan Aquatic C 06/06/2026 2026 PN VAST Summer Sprint Dist Approved
63 Finn Scott 5:54.57 10 A Min AA: 5:51.39 (+3.18s | 0.9%) Alto Swim Club 06/20/2026 Alto Summer Swelter
64 Hawx Hansen 5:55.40 10 A Min AA: 5:51.39 (+4.01s | 1.1%) Wasatch Front Fish Market 07/17/2025 2025 UTAGS LC Championships
50 Free
40.04
40.04
100 Free
43.66
1:23.70
100 Free
1:23.70
150 Free
45.48
2:09.18
200 Free
44.95
2:54.13
100 Free
1:30.43
250 Free
45.79
3:39.92
300 Free
45.26
4:25.18
100 Free
1:31.05
350 Free
44.88
5:10.06
400 Free
45.34
5:55.40
100 Free
1:30.22
65 Kevin Lou 5:56.76 10 A Min AA: 5:51.39 (+5.37s | 1.5%) Irvine Novaquatics 07/16/2026 2026 SCS ELITE Age Group LCM Championship
50 Free
39.88
39.88
100 Free
43.93
1:23.81
100 Free
1:23.81
150 Free
44.95
2:08.76
200 Free
45.99
2:54.75
100 Free
1:30.94
250 Free
45.81
3:40.56
300 Free
46.07
4:26.63
100 Free
1:31.88
350 Free
45.67
5:12.30
400 Free
44.46
5:56.76
100 Free
1:30.13
66 Jackson Lee 5:58.07 10 A Min AA: 5:51.39 (+6.68s | 1.9%) Burlingame Aquatics 06/12/2026 BAC Long Course
67 Henry Bresson 5:58.70 10 A Min AA: 5:51.39 (+7.31s | 2.0%) Chinook Aquatic Club 05/01/2026 2026 PN BC May Flowers Approved
68 Andy Tran 5:58.89 10 A Min AA: 5:51.39 (+7.50s | 2.1%) Seattle Metropolitan Aquatic C 06/06/2026 2026 PN VAST Summer Sprint Dist Approved
69 Logan Fischer 6:00.25 10 A Min AA: 5:51.39 (+8.86s | 2.5%) Denver Swim Academy 06/26/2026 2026 CO Zone 2 District Meet DU
50 Free
41.04
41.04
100 Free
44.62
1:25.66
100 Free
1:25.66
150 Free
46.62
2:12.28
200 Free
45.02
2:57.30
100 Free
1:31.64
250 Free
48.51
3:45.81
300 Free
44.51
4:30.32
100 Free
1:33.02
350 Free
48.64
5:18.96
400 Free
41.29
6:00.25
100 Free
1:29.93
70 Axton Santiago 6:00.53 10 A Min AA: 5:51.39 (+9.14s | 2.5%) Pearl City Aquatics 07/03/2026 2026 Keo Nakama Swim Meet
71 Ayu Shaik 6:00.82 10 A Min AA: 5:51.39 (+9.43s | 2.6%) Apex 06/05/2026 2026 CST Summer Invitational
50 Free
39.41
39.41
100 Free
47.15
1:26.56
100 Free
1:26.56
150 Free
46.68
2:13.24
200 Free
47.29
3:00.53
100 Free
1:33.97
250 Free
46.12
3:46.65
300 Free
46.82
4:33.47
100 Free
1:32.94
350 Free
44.65
5:18.12
400 Free
42.70
6:00.82
100 Free
1:27.35
72 Austin Mitchell 6:01.99 10 A Min AA: 5:51.39 (+10.60s | 2.9%) Valley Aquatics 07/23/2026 2026 PN LC 12 U Championships Approved
73 Nicholas Brumaru 6:02.01 10 A Min AA: 5:51.39 (+10.62s | 2.9%) Olympic Cascade Aquatics 07/23/2026 2026 PN LC 12 U Championships Approved
74 Caleb Stone 6:03.78 10 A Min AA: 5:51.39 (+12.39s | 3.4%) Bellingham Bay Swim Team 07/23/2026 2026 PN LC 12 U Championships Approved
75 Kaito Kinnaird 6:04.16 10 A Min AA: 5:51.39 (+12.77s | 3.5%) Excel Aquatics 06/04/2026 2026 Beaman Toyota Firecracker Invite
50 Free
40.03
40.03
100 Free
45.54
1:25.57
100 Free
1:25.57
150 Free
47.26
2:12.83
200 Free
46.19
2:59.02
100 Free
1:33.45
250 Free
47.85
3:46.87
300 Free
45.92
4:32.79
100 Free
1:33.77
350 Free
46.79
5:19.58
400 Free
44.58
6:04.16
100 Free
1:31.37
76 Kai Kitamori 6:04.37 10 A Min AA: 5:51.39 (+12.98s | 3.6%) East Bay Bat Rays 04/25/2026 San Ramon Valley Aquatics Long Course C B BB+
77 Erik Shabdanov 6:04.94 8 A Min AA: 5:51.39 (+13.55s | 3.7%) Sunnyvale Swim Club 05/16/2026 2026 DACA LC CBA+
78 Nikoloz Zhorzholiani 6:05.56 10 A Min AA: 5:51.39 (+14.17s | 3.9%) Seattle Metropolitan Aquatic C 06/26/2026 2026 PN SMAC Summer Classic Invite Approved
79 Wesley Ho 6:05.97 10 A Min AA: 5:51.39 (+14.58s | 4.0%) Aspire Aquatics of Colorado 07/10/2026 2026 CO Firecracker Last Chance Invite
50 Free
38.96
38.96
100 Free
45.79
1:24.75
100 Free
1:24.75
150 Free
46.40
2:11.15
200 Free
47.14
2:58.29
100 Free
1:33.54
250 Free
47.49
3:45.78
300 Free
47.39
4:33.17
100 Free
1:34.88
350 Free
47.07
5:20.24
400 Free
45.73
6:05.97
100 Free
1:32.80
80 Owen Tan 6:06.74 9 BB Min A: 6:06.59 (+0.15s | 0.0%) Hawaii Swimming Club 05/02/2026 Keiko Price Sprint Meet Aloha Mile
81 Micah Parris 6:06.86 9 BB Min A: 6:06.59 (+0.27s | 0.1%) Sunnyvale Swim Club 06/12/2026 2026 DACA LC CBA Meet
82 Rowan Sargent 6:07.79 9 BB Min A: 6:06.59 (+1.20s | 0.3%) Flatiron Athletic Club 05/29/2026 2026 CO Barracuda Summer Sizzler Invite
50 Free
40.73
40.73
100 Free
46.19
1:26.92
100 Free
1:26.92
150 Free
47.42
2:14.34
200 Free
46.97
3:01.31
100 Free
1:34.39
250 Free
47.74
3:49.05
300 Free
47.36
4:36.41
100 Free
1:35.10
350 Free
47.05
5:23.46
400 Free
44.33
6:07.79
100 Free
1:31.38
83 Derek Folk 6:07.83 9 BB Min A: 6:06.59 (+1.24s | 0.3%) Excel Aquatics 07/17/2026 2026 SE Southeastern Summer LC Championships
50 Free
42.09
42.09
100 Free
48.72
1:30.81
100 Free
1:30.81
150 Free
46.82
2:17.63
200 Free
46.94
3:04.57
100 Free
1:33.76
250 Free
45.97
3:50.54
300 Free
47.56
4:38.10
100 Free
1:33.53
350 Free
45.02
5:23.12
400 Free
44.71
6:07.83
100 Free
1:29.73
84 Matthew Ko 6:08.19 10 BB Min A: 6:06.59 (+1.60s | 0.4%) Aspire Aquatics of Colorado 06/26/2026 2026 CO Zone 2 District Meet AAC
50 Free
41.89
41.89
100 Free
46.80
1:28.69
100 Free
1:28.69
150 Free
50.19
2:18.88
200 Free
47.20
3:06.08
100 Free
1:37.39
250 Free
47.98
3:54.06
300 Free
44.45
4:38.51
100 Free
1:32.43
350 Free
47.94
5:26.45
400 Free
41.73
6:08.18
100 Free
1:29.67
85 Ethan Wang 6:09.20 9 BB Min A: 6:06.59 (+2.61s | 0.7%) Alto Swim Club 06/20/2026 Alto Summer Swelter
86 Orion Blue-Smith 6:10.16 10 BB Min A: 6:06.59 (+3.57s | 1.0%) Palo Alto Stanford Aquatics 05/16/2026 2026 DACA LC CBA+
87 Ashwin Tiwari 6:11.27 9 BB Min A: 6:06.59 (+4.68s | 1.3%) Olympic Cascade Aquatics 07/10/2026 2026 PN OCA Last Chance Invitational Approve
88 Kai Vo 6:11.66 9 BB Min A: 6:06.59 (+5.07s | 1.4%) Splash Aquatics 05/02/2026 Keiko Price Sprint Meet Aloha Mile
89 Jonathan Nelson 6:12.90 10 BB Min A: 6:06.59 (+6.31s | 1.7%) Utah Valley Aquatics 06/27/2025 WFFM Red White And Black 2025
50 Free
41.16
41.16
100 Free
47.56
1:28.72
100 Free
1:28.72
150 Free
49.17
2:17.89
200 Free
46.98
3:04.87
100 Free
1:36.15
250 Free
49.72
3:54.59
300 Free
48.51
4:43.10
100 Free
1:38.23
350 Free
46.85
5:29.95
400 Free
42.95
6:12.90
100 Free
1:29.80
90 Qifan Gong 6:12.90 9 BB Min A: 6:06.59 (+6.31s | 1.7%) Bellevue Club Swim Team 06/26/2026 2026 PN SMAC Summer Classic Invite Approved
91 Cameron Watrous 6:12.99 9 BB Min A: 6:06.59 (+6.40s | 1.7%) Bellevue Club Swim Team 06/26/2026 2026 PN SMAC Summer Classic Invite Approved
92 Jeffrey Crouse 6:13.28 10 BB Min A: 6:06.59 (+6.69s | 1.8%) Livermore AquaCowboys 05/23/2026 2026 Tiger Aquatics C B BB+ Memorial Day Meet
93 Finn Blakeslee 6:13.35 10 BB Min A: 6:06.59 (+6.76s | 1.8%) Hood River Valley Swim Team 04/25/2026 GACC Spring Invitational
50 Free
39.59
39.59
100 Free
45.97
1:25.56
100 Free
1:25.56
150 Free
46.75
2:12.31
200 Free
48.15
3:00.46
100 Free
1:34.90
250 Free
48.95
3:49.41
300 Free
48.95
4:38.36
100 Free
1:37.90
350 Free
48.03
5:26.39
400 Free
46.96
6:13.35
100 Free
1:34.99
94 Alexander Warren Moy 6:13.49 10 BB Min A: 6:06.59 (+6.90s | 1.8%) Palo Alto Stanford Aquatics 06/26/2026 SUNN Silicon Valley CBA+ LCM
95 Emerson Wescott 6:13.72 10 BB Min A: 6:06.59 (+7.13s | 1.9%) Stingray Swim Team 07/23/2026 2026 PN LC 12 U Championships Approved
96 Mateo Franco-Abeyta 6:13.91 10 BB Min A: 6:06.59 (+7.32s | 2.0%) Star 06/05/2026 2026 COSA Long Couse Open
50 Free
39.78
39.78
100 Free
47.23
1:27.01
100 Free
1:27.01
150 Free
46.89
2:13.90
200 Free
50.30
3:04.20
100 Free
1:37.19
250 Free
48.96
3:53.16
300 Free
50.02
4:43.18
100 Free
1:38.98
350 Free
47.89
5:31.07
400 Free
42.84
6:13.91
100 Free
1:30.73
97 Mason Sovich 6:14.61 9 BB Min A: 6:06.59 (+8.02s | 2.1%) Olympic Cascade Aquatics 07/23/2026 2026 PN LC 12 U Championships Approved
98 Castle Cline 6:15.38 10 BB Min A: 6:06.59 (+8.79s | 2.3%) Seattle Metropolitan Aquatic C 06/26/2026 2026 PN SMAC Summer Classic Invite Approved
99 Daniel Barrow 6:16.36 10 BB Min A: 6:06.59 (+9.77s | 2.6%) Vacaville Swim Club 06/27/2026 NVST Summer Plunge 2026
100 Cameron Boitano 6:16.61 10 BB Min A: 6:06.59 (+10.02s | 2.7%) Pleasanton Seahawks 06/20/2025 Zone 2 Last Chance To AG Champs

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.