551
Allen
Zwicke
55.85
18
A Min
AA: 53.59 (+2.26s | 4.0%)
Team Vortex
03/27/2025
2025 Four Corners Speedo Sectionals Austin
50 Back
27.26
27.26
100 Back
28.59
55.85
100 Back
55.85
552
Zhen
Chang
55.87
17
A Min
AA: 53.59 (+2.28s | 4.1%)
Irvine Novaquatics
01/17/2025
PRELIMS 2025 Road To LA28
50 Back
27.01
27.01
100 Back
28.86
55.87
100 Back
55.87
553
Peter
lin
55.88
18
A Min
AA: 53.59 (+2.29s | 4.1%)
Rose Bowl Aquatics
11/07/2024
2024 Legends Of Coaching Series Kevin Perry
50 Back
26.92
26.92
100 Back
28.96
55.88
100 Back
55.88
554
Michael
Mamola
55.88
17
A Min
AA: 53.59 (+2.29s | 4.1%)
Scottsdale Aquatic Club
11/21/2025
2025 Adam England Memorial Fall Splash
50 Back
27.33
27.33
100 Back
28.55
55.88
100 Back
55.88
555
Ali
Selim
55.88
18
A Min
AA: 53.59 (+2.29s | 4.1%)
Beaverton Area Aquatics Club
03/13/2025
2025 OSI Arena Senior SC Championships
50 Back
26.93
26.93
100 Back
28.95
55.88
100 Back
55.88
556
Hayden
Bley
55.88
18
A Min
AA: 53.59 (+2.29s | 4.1%)
Northern Colorado Swim Club
03/07/2025
2025 CO NCS Winter District Championships
50 Back
27.15
27.15
100 Back
28.73
55.88
100 Back
55.88
557
Keegan
Merson
55.88
17
A Min
AA: 53.59 (+2.29s | 4.1%)
Swim Dogs
02/20/2026
2026 CO Colorado Senior Meet
50 Back
27.12
27.12
100 Back
28.76
55.88
100 Back
55.88
558
Jaden
Akpan
55.89
18
A Min
AA: 53.59 (+2.30s | 4.1%)
Boise YMCA Swim Team
02/14/2025
2025 SRS Winter Champsionships
50 Back
27.52
27.52
100 Back
28.37
55.89
100 Back
55.89
559
Marios
Gerasimopoulos
55.92
17
BB Min
A: 55.89 (+0.03s | 0.1%)
Excel Aquatics
01/16/2026
2026 TYR Mardi Gras Invite
50 Back
27.00
27.00
100 Back
28.92
55.92
100 Back
55.92
560
Noah
Stout
55.92
18
BB Min
A: 55.89 (+0.03s | 0.1%)
Wasatch Front Fish Market
02/23/2024
2024 UT 5A State OBS
50 Back
27.00
27.00
100 Back
28.92
55.92
100 Back
55.92
561
Liam
Liu
55.92
18
BB Min
A: 55.89 (+0.03s | 0.1%)
North Coast Aquatics
11/21/2025
2025 CA MVN Turkey Classic
50 Back
27.71
27.71
100 Back
28.21
55.92
100 Back
55.92
562
Jonathan
McDonough
55.96
18
BB Min
A: 55.89 (+0.07s | 0.1%)
Marist Catholic
02/21/2025
2025 OSAA 4A 3A 2A 1A Swimming Championships
50 Back
27.03
27.03
100 Back
28.93
55.96
100 Back
55.96
563
Liam
Tudor
55.98
18
BB Min
A: 55.89 (+0.09s | 0.2%)
Life Time Northern California
12/19/2024
2024 ST TXLA Jingle Bell Splash
50 Back
26.74
26.74
100 Back
29.24
55.98
100 Back
55.98
564
Blake
Abney
56.00
18
BB Min
A: 55.89 (+0.11s | 0.2%)
Cottonwood Heights Aquatics
12/05/2024
2024 Utah Swimming SC Senior Championship
50 Back
27.25
27.25
100 Back
28.75
56.00
100 Back
56.00
565
Alexander
Yu
56.00
17
BB Min
A: 55.89 (+0.11s | 0.2%)
Gold Medal Swim Club
02/13/2026
34th Annual Lost Dutchman Invitational
50 Back
27.05
27.05
100 Back
28.95
56.00
100 Back
56.00
566
Dawson
Cushman
56.02
17
BB Min
A: 55.89 (+0.13s | 0.2%)
Coeur D\\\\\\'alene Area Swim Team
02/28/2025
2025 IES Short Course Championships
50 Back
27.09
27.09
100 Back
28.93
56.02
100 Back
56.02
567
Peter
Gladkevich
56.02
18
BB Min
A: 55.89 (+0.13s | 0.2%)
Albany Armada Aquatics
11/08/2025
Albany Armada Aquatics C B BB+ Meet
568
Mateo
Flores
56.02
17
BB Min
A: 55.89 (+0.13s | 0.2%)
Utah Valley Aquatics
12/05/2024
2024 Utah Swimming SC Senior Championship
50 Back
27.21
27.21
100 Back
28.81
56.02
100 Back
56.02
569
Tommy
Cairns
56.03
18
BB Min
A: 55.89 (+0.14s | 0.2%)
Los Altos Mountain View Aquati
12/13/2024
PSL Winter Is For Winning T F Invitatation
50 Back
27.10
27.10
100 Back
28.93
56.03
100 Back
56.03
570
Peyton
Egide
56.03
17
BB Min
A: 55.89 (+0.14s | 0.2%)
Thunder Coast Aquatics
02/13/2026
2026 SI Presidents Day Senior Classic Copi
571
Anthony
Walters
56.04
18
BB Min
A: 55.89 (+0.15s | 0.3%)
Pro Swimming
10/05/2024
2024 PN SMAC Fall Kick Off Invitational
50 Back
26.97
26.97
100 Back
29.07
56.04
100 Back
56.04
572
Nathan
Judy
56.04
18
BB Min
A: 55.89 (+0.15s | 0.3%)
Unattached
04/03/2024
2024 Western Zone SCY Senior Zones
50 Back
27.37
27.37
100 Back
28.67
56.04
100 Back
56.04
573
Jacob
Lee
56.05
17
BB Min
A: 55.89 (+0.16s | 0.3%)
Bellevue Club Swim Team
09/22/2024
2024 PN BC 46th Annual Blue Orange Meet
50 Back
27.67
27.67
100 Back
28.38
56.05
100 Back
56.05
574
Emory
Vorndam
56.06
17
BB Min
A: 55.89 (+0.17s | 0.3%)
Temecula Swim Club
11/06/2025
2025 Legends Of Coaching Series_Peter Daland
50 Back
27.93
27.93
100 Back
28.13
56.06
100 Back
56.06
575
Parker
Coombs
56.07
17
BB Min
A: 55.89 (+0.18s | 0.3%)
Socal Aquatics Association
12/13/2024
2024 CA GWSC SCS WAG
576
Landon
Onitsuka
56.08
17
BB Min
A: 55.89 (+0.19s | 0.3%)
Monterey Bay Swim Club
12/06/2024
2024 Tualatin Hills Holiday Classic
577
Noah
DiStefano
56.08
17
BB Min
A: 55.89 (+0.19s | 0.3%)
Pikes Peak Athletics
02/21/2025
2025 CO Colorado Senior Meet
50 Back
27.17
27.17
100 Back
28.91
56.08
100 Back
56.08
578
Andrew
Deng
56.09
17
BB Min
A: 55.89 (+0.20s | 0.4%)
King Aquatic Club
03/12/2026
2026 PN BC Premier Invitational
50 Back
27.16
27.16
100 Back
28.93
56.09
100 Back
56.09
579
Micah
Smith
56.11
17
BB Min
A: 55.89 (+0.22s | 0.4%)
Univ. of Denver Hilltoppers
01/23/2026
2026 CO TOPS Colorado Open
580
Tanner
Davis
56.11
17
BB Min
A: 55.89 (+0.22s | 0.4%)
Irvine Novaquatics
12/12/2025
2025 CA SCS SCAT WAG
50 Back
27.63
27.63
100 Back
28.48
56.11
100 Back
56.11
581
Evan
Karajic
56.12
17
BB Min
A: 55.89 (+0.23s | 0.4%)
Wasatch Front Fish Market
11/30/2023
2023 24 Utah Swimming SC Senior Championship
50 Back
26.79
26.79
100 Back
29.33
56.12
100 Back
56.12
582
Mateo
Abourjeily
56.14
18
BB Min
A: 55.89 (+0.25s | 0.4%)
Irvine Novaquatics
11/07/2024
2024 Legends Of Coaching Series Kevin Perry
50 Back
27.41
27.41
100 Back
28.73
56.14
100 Back
56.14
583
Elliott
Lee
56.14
18
BB Min
A: 55.89 (+0.25s | 0.4%)
Rose Bowl Aquatics
11/02/2023
2023 CA Kevin B Perry Senior Meet @ RMDA V1
50 Back
27.60
27.60
100 Back
28.54
56.14
100 Back
56.14
584
Jeremy
Yu
56.15
18
BB Min
A: 55.89 (+0.26s | 0.5%)
Rosemead Rapids
12/08/2023
2023 CA SCAT SCS WAG
50 Back
26.59
26.59
100 Back
29.56
56.15
100 Back
56.15
585
Cooper
Sanders
56.16
17
BB Min
A: 55.89 (+0.27s | 0.5%)
North Jeffco Swim Team
03/26/2026
Destination Athlete Centennial Invite 2026
50 Back
27.47
27.47
100 Back
28.69
56.16
100 Back
56.16
586
Jack
Snow
56.19
17
BB Min
A: 55.89 (+0.30s | 0.5%)
Aces Swim Club
05/02/2025
2025 CO OB Centennial A League Championships
50 Back
27.75
27.75
100 Back
28.44
56.19
100 Back
56.19
587
Canyon
Lenon
56.19
17
BB Min
A: 55.89 (+0.30s | 0.5%)
Boulder City Henderson Swim Te
12/07/2024
2024 Oregon Senior Open
50 Back
27.53
27.53
100 Back
28.66
56.19
100 Back
56.19
588
Brian
Spencer-Castellanos
56.22
17
BB Min
A: 55.89 (+0.33s | 0.6%)
Life Time Northern California
11/07/2025
Pleasanton Seahawks SC Senior 2
50 Back
27.46
27.46
100 Back
28.76
56.22
100 Back
56.22
589
Mateo
Rosales
56.23
17
BB Min
A: 55.89 (+0.34s | 0.6%)
Quicksilver Swimming
11/01/2024
Pleasanton Seahawks SC Senior Open
50 Back
27.08
27.08
100 Back
29.15
56.23
100 Back
56.23
590
Daisuke
Nakashima
56.27
18
BB Min
A: 55.89 (+0.38s | 0.7%)
Front Range Barracudas
01/17/2025
2025 CO CUDA Classic
50 Back
27.28
27.28
100 Back
28.99
56.27
100 Back
56.27
591
Jasper
Qiu
56.28
17
BB Min
A: 55.89 (+0.39s | 0.7%)
Santa Clara Swim Club
11/09/2024
Folsom Classic 2024
50 Back
27.26
27.26
100 Back
29.02
56.28
100 Back
56.28
592
Sakiusa
Dodd
56.29
17
BB Min
A: 55.89 (+0.40s | 0.7%)
Clovis Swim Club
02/14/2025
2025 CCS SCY AGC
50 Back
27.43
27.43
100 Back
28.86
56.29
100 Back
56.29
593
Ben
Schlehuber
56.30
18
BB Min
A: 55.89 (+0.41s | 0.7%)
Beach Cities Swimming
12/13/2024
2024 CA SCAT SCS WAG
50 Back
26.84
26.84
100 Back
29.46
56.30
100 Back
56.30
594
Gabriel
Eke
56.31
18
BB Min
A: 55.89 (+0.42s | 0.7%)
Canyons Aquatic Club
12/19/2024
2024 CA NV December Sectionals At BREA
50 Back
26.84
26.84
100 Back
29.47
56.31
100 Back
56.31
595
Aiden
Wong
56.34
17
BB Min
A: 55.89 (+0.45s | 0.8%)
Unattached
02/07/2026
2026 PSL Super Finals Invitational
50 Back
27.57
27.57
100 Back
28.77
56.34
100 Back
56.34
596
Bowen
Gurwitt
56.35
17
BB Min
A: 55.89 (+0.46s | 0.8%)
Pacific Swim
02/13/2026
2026 SI Presidents Day Senior Classic Copi
50 Back
27.19
27.19
100 Back
29.16
56.35
100 Back
56.35
597
Cameron
McDonald
56.35
17
BB Min
A: 55.89 (+0.46s | 0.8%)
Roseburg
02/13/2026
2026 OR HS 6A 7
50 Back
27.28
27.28
100 Back
29.07
56.35
100 Back
56.35
598
Avery
Downing
56.36
17
BB Min
A: 55.89 (+0.47s | 0.8%)
Excel Aquatics
12/05/2025
2025 Beaman Toyota Meet Of Champs
50 Back
27.07
27.07
100 Back
29.29
56.36
100 Back
56.36
599
Isaac
Janbay
56.36
17
BB Min
A: 55.89 (+0.47s | 0.8%)
Superior Aquatics
03/19/2026
2026 Northwest Region AG Champs Approved
50 Back
27.05
27.05
100 Back
29.31
56.36
100 Back
56.36
600
Joshua
Sobel
56.36
18
BB Min
A: 55.89 (+0.47s | 0.8%)
Mesa Aquatics Club
02/14/2025
33rd Annual Lost Dutchman Invitational
50 Back
27.70
27.70
100 Back
28.66
56.36
100 Back
56.36