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Western Zone Zone Boys 17-18 - 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
401 Tomasz Czajkowski 4:29.85 17 A Min AA: 4:28.19 (+1.66s | 0.6%) Palo Alto Stanford Aquatics 07/07/2023 2023 SBA Adam Szmidt Memorial Meet
402 Brandon Wang 4:29.93 17 A Min AA: 4:28.19 (+1.74s | 0.6%) Seattle Metropolitan Aquatic C 06/26/2026 2026 PN SMAC Summer Classic Invite Approved
403 Thais Tokay 4:29.97 16 A Min AA: 4:28.19 (+1.78s | 0.7%) Team Rebel Aquatics 07/24/2025 2025 CA SCS RAA Summer A G Champs
50 Free
30.18
30.18
100 Free
33.36
1:03.54
100 Free
1:03.54
150 Free
34.15
1:37.69
200 Free
34.95
2:12.64
100 Free
1:09.10
250 Free
33.69
2:46.33
300 Free
34.49
3:20.82
100 Free
1:08.18
350 Free
35.01
3:55.83
400 Free
34.14
4:29.97
100 Free
1:09.15
404 Alexandru Epifanov 4:30.02 18 A Min AA: 4:28.19 (+1.83s | 0.7%) Lake Oswego Swim Club 07/25/2023 Finals WZ LCM Senior Champs 2023
50 Free
29.82
29.82
100 Free
33.17
1:02.99
100 Free
1:02.99
150 Free
33.92
1:36.91
200 Free
34.41
2:11.32
100 Free
1:08.33
250 Free
35.02
2:46.34
300 Free
35.05
3:21.39
100 Free
1:10.07
350 Free
34.79
3:56.18
400 Free
33.84
4:30.02
100 Free
1:08.63
405 Christopher Goodman 4:30.05 18 A Min AA: 4:28.19 (+1.86s | 0.7%) Tsm Aquatics 06/11/2026 2026 SCS June AG Invite
50 Free
30.71
30.71
100 Free
33.24
1:03.95
100 Free
1:03.95
150 Free
34.25
1:38.20
200 Free
34.77
2:12.97
100 Free
1:09.02
250 Free
34.26
2:47.23
300 Free
34.90
3:22.13
100 Free
1:09.16
350 Free
34.15
3:56.28
400 Free
33.77
4:30.05
100 Free
1:07.92
406 Dan Vu 4:30.19 17 A Min AA: 4:28.19 (+2.00s | 0.7%) Tiger Aquatics 07/31/2025 2025 Long Course Far Western Championship
407 Nolan Kohl 4:30.21 18 Aquawolves Swimming 07/25/2023 Finals WZ LCM Senior Champs 2023
50 Free
29.34
29.34
100 Free
33.99
1:03.33
100 Free
1:03.33
150 Free
34.79
1:38.12
200 Free
36.14
2:14.26
100 Free
1:10.93
250 Free
35.45
2:49.71
300 Free
35.74
3:25.45
100 Free
1:11.19
350 Free
34.18
3:59.63
400 Free
30.58
4:30.21
100 Free
1:04.76
408 Parker Grissom 4:30.21 17 A Min AA: 4:28.19 (+2.02s | 0.7%) Fort Collins Area Swim Team 06/12/2026 2026 CO CSI Long Course Open
50 Free
30.17
30.17
100 Free
33.58
1:03.75
100 Free
1:03.75
150 Free
34.35
1:38.10
200 Free
34.76
2:12.86
100 Free
1:09.11
250 Free
34.92
2:47.78
300 Free
34.38
3:22.16
100 Free
1:09.30
350 Free
34.49
3:56.65
400 Free
33.56
4:30.21
100 Free
1:08.05
409 Tyler Sage 4:30.22 18 A Min AA: 4:28.19 (+2.03s | 0.8%) Santa Maria Swim Club 06/26/2025 2025 TYR GO Challenge
100 Free
1:04.68
1:04.68
100 Free
1:04.68
200 Free
1:09.52
2:14.20
100 Free
1:09.52
300 Free
1:08.94
3:23.14
100 Free
1:08.94
400 Free
1:07.08
4:30.22
100 Free
1:07.08
410 Jayden Fraley 4:30.23 17 A Min AA: 4:28.19 (+2.04s | 0.8%) Coastal Machine Aquatics Club 06/11/2026 2026 SCS June AG Invite
50 Free
27.69
27.69
100 Free
33.40
1:01.09
100 Free
1:01.09
150 Free
34.88
1:35.97
200 Free
35.15
2:11.12
100 Free
1:10.03
250 Free
35.57
2:46.69
300 Free
34.86
3:21.55
100 Free
1:10.43
350 Free
35.53
3:57.08
400 Free
33.15
4:30.23
100 Free
1:08.68
411 Atlas Metin 4:30.30 17 A Min AA: 4:28.19 (+2.11s | 0.8%) Orinda Aquatics 07/25/2024 2024 Long Course Far Western Championship
412 Lucas Wang 4:30.34 16 A Min AA: 4:28.19 (+2.15s | 0.8%) Aquazot Swim Club 06/11/2026 ARMADA 2026 SCS June AG Invite
413 Francis Zhao 4:30.35 16 A Min AA: 4:28.19 (+2.16s | 0.8%) Brea Aquatics 06/12/2025 2025 SCS June AG Invite @ La Mirada Armada
414 Michael Laidlaw 4:30.39 18 A Min AA: 4:28.19 (+2.20s | 0.8%) Wolverine Aquatics 06/27/2024 Arena Grand Challenge 2024
415 Rylan Hoy 4:30.45 17 A Min AA: 4:28.19 (+2.26s | 0.8%) Beaverton Area Aquatics Club 06/12/2026 2026 THSC June Open
50 Free
30.96
30.96
100 Free
34.12
1:05.08
100 Free
1:05.08
150 Free
34.35
1:39.43
200 Free
34.44
2:13.87
100 Free
1:08.79
250 Free
34.52
2:48.39
300 Free
34.60
3:22.99
100 Free
1:09.12
350 Free
33.59
3:56.58
400 Free
33.87
4:30.45
100 Free
1:07.46
416 Matthew Rego 4:30.46 18 A Min AA: 4:28.19 (+2.27s | 0.8%) California Capital Aquatics 06/25/2026 2026 TYR GO Challenge
417 Rhys Delaney 4:30.50 17 A Min AA: 4:28.19 (+2.31s | 0.9%) Walnut Creek Aquabears 07/12/2024 Summer Age Group LCM Championships
418 Andrew Davis 4:30.52 17 A Min AA: 4:28.19 (+2.33s | 0.9%) Spokane Sea Serpents 06/20/2025 2025 SWAT Summer Solstice
50 Free
29.87
29.87
100 Free
32.13
1:02.00
100 Free
1:02.00
150 Free
33.62
1:35.63
200 Free
34.29
2:09.92
100 Free
1:07.91
250 Free
35.10
2:45.02
300 Free
35.44
3:20.46
100 Free
1:10.54
350 Free
35.93
3:56.39
400 Free
34.13
4:30.52
100 Free
1:10.06
419 Michael Lee 4:30.64 16 A Min AA: 4:28.19 (+2.45s | 0.9%) Trident Swim Club 07/11/2025 2025 LAI Entries
420 Jonathan Fan 4:30.65 17 A Min AA: 4:28.19 (+2.46s | 0.9%) California Dolphins Swim Team 05/29/2025 2025 George Haines International Swim Meet
50 Free
31.23
31.23
100 Free
34.14
1:05.37
100 Free
1:05.37
150 Free
34.42
1:39.79
200 Free
34.26
2:14.05
100 Free
1:08.68
250 Free
34.11
2:48.16
300 Free
34.51
3:22.67
100 Free
1:08.62
350 Free
34.27
3:56.94
400 Free
33.71
4:30.65
100 Free
1:07.98
421 Samuel Allison 4:30.71 17 A Min AA: 4:28.19 (+2.52s | 0.9%) North Coast Aquatics 07/09/2026 2026 LAI AT USC
50 Free
30.26
30.26
100 Free
33.51
1:03.77
100 Free
1:03.77
150 Free
33.67
1:37.44
200 Free
34.96
2:12.40
100 Free
1:08.63
250 Free
35.03
2:47.43
300 Free
35.11
3:22.54
100 Free
1:10.14
350 Free
34.75
3:57.29
400 Free
33.42
4:30.71
100 Free
1:08.17
422 Matthew McGinnis 4:30.72 18 A Min AA: 4:28.19 (+2.53s | 0.9%) Valley Aquatics 07/16/2026 2026 PN 13 Over LC Championships Approved
423 Noah Britos 4:30.78 17 A Min AA: 4:28.19 (+2.59s | 1.0%) Kamehameha Swim Club 06/18/2026 HISI Senior Summer Championship (LCM)
50 Free
29.51
29.51
100 Free
33.50
1:03.01
100 Free
1:03.01
150 Free
34.59
1:37.60
200 Free
34.78
2:12.38
100 Free
1:09.37
250 Free
34.67
2:47.05
300 Free
36.00
3:23.05
100 Free
1:10.67
350 Free
33.83
3:56.88
400 Free
33.90
4:30.78
100 Free
1:07.73
424 Ben Ong 4:30.81 17 A Min AA: 4:28.19 (+2.62s | 1.0%) Pacific Swim 07/06/2023 2023 Los Angeles Invite @ USC
50 Free
31.76
31.76
100 Free
33.87
1:05.63
100 Free
1:05.63
150 Free
34.58
1:40.21
200 Free
35.04
2:15.25
100 Free
1:09.62
250 Free
35.07
2:50.32
300 Free
34.59
3:24.91
100 Free
1:09.66
350 Free
34.49
3:59.40
400 Free
31.41
4:30.81
100 Free
1:05.90
425 Ethan Shin 4:30.82 16 A Min AA: 4:28.19 (+2.63s | 1.0%) Rose Bowl Aquatics 07/23/2026 2026 CA SCS Summer A G Champs @ BREA
426 Michael Rivera 4:30.87 17 A Min AA: 4:28.19 (+2.68s | 1.0%) Fresno Dolphins Swim Team 06/26/2025 2025 TYR GO Challenge
100 Free
1:02.97
1:02.97
100 Free
1:02.97
200 Free
1:09.34
2:12.31
100 Free
1:09.34
300 Free
1:09.84
3:22.15
100 Free
1:09.84
400 Free
1:08.72
4:30.87
100 Free
1:08.72
427 Santiago Garcia Rojo 4:30.93 18 A Min AA: 4:28.19 (+2.74s | 1.0%) Sea to Desert Swim Association 06/27/2026 2026 SI MRA LC Distance Meet
428 Kenny Jiang 4:31.00 17 A Min AA: 4:28.19 (+2.81s | 1.0%) Monterey Park Manta Rays 05/24/2024 2024 CA NOVA Speedo Grand Challenge
50 Free
30.82
30.82
100 Free
34.46
1:05.28
100 Free
1:05.28
150 Free
34.84
1:40.12
200 Free
35.06
2:15.18
100 Free
1:09.90
250 Free
34.53
2:49.71
300 Free
34.27
3:23.98
100 Free
1:08.80
350 Free
33.51
3:57.49
400 Free
33.51
4:31.00
100 Free
1:07.02
429 Alexander Mkrtchyan 4:31.00 17 A Min AA: 4:28.19 (+2.81s | 1.0%) Seattle Metropolitan Aquatic C 07/16/2026 2026 PN 13 Over LC Championships Approved
430 John Olensky 4:31.09 18 A Min AA: 4:28.19 (+2.90s | 1.1%) Cascade Swim Club 07/17/2025 2025 PN 13 O LC Senior Championships
431 Isaac Chau 4:31.11 17 A Min AA: 4:28.19 (+2.92s | 1.1%) Issaquah Swim Team 07/17/2025 2025 PN 13 O LC Senior Championships
432 Ethan Brotemarkle 4:31.11 17 A Min AA: 4:28.19 (+2.92s | 1.1%) Franklin County Stingray Swim 04/24/2026 2026 Strong Tower Invite
50 Free
30.95
30.95
100 Free
32.99
1:03.94
100 Free
1:03.94
150 Free
34.19
1:38.13
200 Free
34.80
2:12.93
100 Free
1:08.99
250 Free
34.88
2:47.81
300 Free
35.85
3:23.66
100 Free
1:10.73
350 Free
34.17
3:57.83
400 Free
33.28
4:31.11
100 Free
1:07.45
433 Rastsislau Khilko 4:31.12 17 A Min AA: 4:28.19 (+2.93s | 1.1%) Pleasanton Seahawks 04/26/2025 Pleasanton Seahawks LC Senior Open
50 Free
30.66
30.66
100 Free
33.45
1:04.11
100 Free
1:04.11
150 Free
34.80
1:38.91
200 Free
34.89
2:13.80
100 Free
1:09.69
250 Free
34.73
2:48.53
300 Free
34.91
3:23.44
100 Free
1:09.64
350 Free
34.16
3:57.60
400 Free
33.52
4:31.12
100 Free
1:07.68
434 Jierong Fan 4:31.15 17 A Min AA: 4:28.19 (+2.96s | 1.1%) Brea Aquatics 07/25/2024 2024 CA SCS BREA Summer A G Champs
435 Max Schiappacasse 4:31.25 18 A Min AA: 4:28.19 (+3.06s | 1.1%) Aquasol 07/23/2026 2026 PC Novato CA NV Speedo Sectionals
50 Free
29.94
29.94
100 Free
33.18
1:03.12
100 Free
1:03.12
150 Free
33.95
1:37.07
200 Free
34.73
2:11.80
100 Free
1:08.68
250 Free
34.81
2:46.61
300 Free
35.10
3:21.71
100 Free
1:09.91
350 Free
35.35
3:57.06
400 Free
34.19
4:31.25
100 Free
1:09.54
436 Andre Komashko 4:31.26 17 A Min AA: 4:28.19 (+3.07s | 1.1%) Burlingame Aquatics 05/29/2026 2026 George Haines International Swim Meet
50 Free
30.08
30.08
100 Free
33.62
1:03.70
100 Free
1:03.70
150 Free
34.75
1:38.45
200 Free
34.94
2:13.39
100 Free
1:09.69
250 Free
34.54
2:47.93
300 Free
34.67
3:22.60
100 Free
1:09.21
350 Free
34.72
3:57.32
400 Free
33.94
4:31.26
100 Free
1:08.66
437 Logan Hansen 4:31.28 18 A Min AA: 4:28.19 (+3.09s | 1.1%) Utah Valley Aquatics 07/24/2025 2025 RAFC Last Splash Invitational
50 Free
30.82
30.82
100 Free
33.44
1:04.26
100 Free
1:04.26
150 Free
34.57
1:38.83
200 Free
34.33
2:13.16
100 Free
1:08.90
250 Free
35.32
2:48.48
300 Free
34.81
3:23.29
100 Free
1:10.13
350 Free
35.06
3:58.35
400 Free
32.93
4:31.28
100 Free
1:07.99
438 Kyle Sarmiento 4:31.32 17 A Min AA: 4:28.19 (+3.13s | 1.2%) Brea Aquatics 07/23/2026 2026 CA SCS Summer A G Champs @ BREA
439 Nicolas Li 4:31.35 17 A Min AA: 4:28.19 (+3.16s | 1.2%) Santa Clara Swim Club 06/25/2026 2026 TYR GO Challenge
440 Samuel Mok 4:31.39 17 A Min AA: 4:28.19 (+3.20s | 1.2%) Bellevue Club Swim Team 05/02/2025 2025 PN BC May Flowers
441 Gabriel Eke 4:31.41 18 A Min AA: 4:28.19 (+3.22s | 1.2%) Canyons Aquatic Club 07/06/2023 2023 Los Angeles Invite @ USC
50 Free
30.01
30.01
100 Free
32.92
1:02.93
100 Free
1:02.93
150 Free
33.79
1:36.72
200 Free
34.32
2:11.04
100 Free
1:08.11
250 Free
35.52
2:46.56
300 Free
35.42
3:21.98
100 Free
1:10.94
350 Free
35.80
3:57.78
400 Free
33.63
4:31.41
100 Free
1:09.43
442 Jace Gallagher-Spencer 4:31.42 17 A Min AA: 4:28.19 (+3.23s | 1.2%) Las Vegas Swim Club 06/11/2026 2026 SCS June AG Invite
50 Free
30.65
30.65
100 Free
34.17
1:04.82
100 Free
1:04.82
150 Free
35.59
1:40.41
200 Free
35.21
2:15.62
100 Free
1:10.80
250 Free
34.92
2:50.54
300 Free
34.53
3:25.07
100 Free
1:09.45
350 Free
33.75
3:58.82
400 Free
32.60
4:31.42
100 Free
1:06.35
443 Jesse Toal 4:31.48 18 A Min AA: 4:28.19 (+3.29s | 1.2%) South Orange County Aquatics 07/23/2026 2026 CA SCS Summer A G Champs
50 Free
30.60
30.60
100 Free
33.07
1:03.67
100 Free
1:03.67
150 Free
34.32
1:37.99
200 Free
34.55
2:12.54
100 Free
1:08.87
250 Free
35.04
2:47.58
300 Free
34.82
3:22.40
100 Free
1:09.86
350 Free
35.41
3:57.81
400 Free
33.67
4:31.48
100 Free
1:09.08
444 Mateo Trujillo 4:31.54 17 A Min AA: 4:28.19 (+3.35s | 1.2%) North Jeffco Swim Team 07/22/2026 2026 RAFC Last Splash Invitational
50 Free
29.88
29.88
100 Free
32.79
1:02.67
100 Free
1:02.67
150 Free
33.78
1:36.45
200 Free
34.94
2:11.39
100 Free
1:08.72
250 Free
34.97
2:46.36
300 Free
35.49
3:21.85
100 Free
1:10.46
350 Free
35.14
3:56.99
400 Free
34.55
4:31.54
100 Free
1:09.69
445 Daniel Ratz 4:31.54 17 A Min AA: 4:28.19 (+3.35s | 1.2%) Quicksilver Swimming 05/17/2024 Quicksilver Swimming Zone 1S LCM C B A+ Meet
50 Free
30.99
30.99
100 Free
34.04
1:05.03
100 Free
1:05.03
150 Free
33.83
1:38.86
200 Free
34.05
2:12.91
100 Free
1:07.88
250 Free
34.74
2:47.65
300 Free
34.83
3:22.48
100 Free
1:09.57
350 Free
34.62
3:57.10
400 Free
34.44
4:31.54
100 Free
1:09.06
446 Dylan Lim 4:31.68 17 A Min AA: 4:28.19 (+3.49s | 1.3%) Tualatin Hills Swim Club 07/24/2025 2025 OSI Arena 11 O LC Championships
447 Roy Ramirez 4:31.72 17 A Min AA: 4:28.19 (+3.53s | 1.3%) La Mirada Armada 07/21/2022 2022 CA SCS MVN Summer JO S
50 Free
30.64
30.64
100 Free
33.15
1:03.79
100 Free
1:03.79
150 Free
34.40
1:38.19
200 Free
34.55
2:12.74
100 Free
1:08.95
250 Free
35.01
2:47.75
300 Free
35.02
3:22.77
100 Free
1:10.03
350 Free
35.17
3:57.94
400 Free
33.78
4:31.72
100 Free
1:08.95
448 Marcus Richter 4:31.90 17 A Min AA: 4:28.19 (+3.71s | 1.4%) Wasatch Front Fish Market 07/18/2024 2024 LC SR CHAMPS
50 Free
29.37
29.37
100 Free
33.27
1:02.64
100 Free
1:02.64
150 Free
34.40
1:37.04
200 Free
35.26
2:12.30
100 Free
1:09.66
250 Free
35.06
2:47.36
300 Free
35.15
3:22.51
100 Free
1:10.21
350 Free
34.86
3:57.37
400 Free
34.53
4:31.90
100 Free
1:09.39
449 Vincent Velazquez 4:31.93 16 A Min AA: 4:28.19 (+3.74s | 1.4%) Santa Maria Swim Club 06/26/2025 2025 TYR GO Challenge
100 Free
1:05.71
1:05.71
100 Free
1:05.71
200 Free
1:10.66
2:16.37
100 Free
1:10.66
300 Free
1:09.34
3:25.71
100 Free
1:09.34
400 Free
1:06.22
4:31.93
100 Free
1:06.22
450 William Frost 4:31.96 17 A Min AA: 4:28.19 (+3.77s | 1.4%) Seattle Metropolitan Aquatic C 07/16/2026 2026 PN 13 Over LC Championships Approved

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