551
Malachi
Calvin
1:31.78
11
B Min
BB: 1:29.59 (+2.19s | 2.4%)
Unattached
08/06/2025
2025 Western Zone Age Group Championships
552
Brandon
Holland
1:31.79
11
B Min
BB: 1:29.59 (+2.20s | 2.4%)
Reno Aquatic Club
07/12/2025
2025 Silver State Championships
50 Back
44.66
44.66
100 Back
47.13
1:31.79
100 Back
1:31.79
553
Morrison
Kawecki
1:31.81
11
B Min
BB: 1:29.59 (+2.22s | 2.4%)
Rancho San Dieguito
04/25/2025
2025 SI Pacific Swim A BB LCM Group B
50 Back
45.32
45.32
100 Back
46.49
1:31.81
100 Back
1:31.81
554
Jonathan
Zhou
1:31.84
12
B Min
BB: 1:29.59 (+2.25s | 2.4%)
Palo Alto Stanford Aquatics
06/27/2025
Silicon Valley LC CBA+ Meet
555
Mason
Ormonde
1:31.85
11
B Min
BB: 1:29.59 (+2.26s | 2.5%)
Hydro Aquatics Club
06/12/2025
2025 CA SCS RAA June Age Group Championships
50 Back
44.09
44.09
100 Back
47.76
1:31.85
100 Back
1:31.85
556
Konstantin
Filinskii
1:31.85
11
B Min
BB: 1:29.59 (+2.26s | 2.5%)
Mission Viejo Nadadores
06/12/2025
2025 SCS June AG Invite @ La Mirada Armada
557
Adam
Li
1:31.89
11
B Min
BB: 1:29.59 (+2.30s | 2.5%)
Santa Clara Swim Club
05/30/2025
SCSC Pacific Swimming Long Course Intrasquad
50 Back
45.06
45.06
100 Back
46.83
1:31.89
100 Back
1:31.89
558
Alexander
Han
1:31.93
11
B Min
BB: 1:29.59 (+2.34s | 2.5%)
Bellevue Club Swim Team
06/27/2025
2025 PN SMAC Summer Classic Invitational
559
Vladimir
Postyka
1:31.95
12
B Min
BB: 1:29.59 (+2.36s | 2.6%)
Rocklin Swim Team
06/20/2025
Zone 2 Last Chance To AG Champs
560
Justin
Zhang
1:31.98
12
B Min
BB: 1:29.59 (+2.39s | 2.6%)
Santa Clara Swim Club
06/27/2025
Valley Splash
561
Aiden
Steckline
1:32.09
12
B Min
BB: 1:29.59 (+2.50s | 2.7%)
Reno Aquatic Club
07/12/2025
2025 Silver State Championships
50 Back
44.80
44.80
100 Back
47.29
1:32.09
100 Back
1:32.09
562
Eli
Wolert
1:32.11
12
B Min
BB: 1:29.59 (+2.52s | 2.7%)
Arizona Swimming
08/06/2025
2025 Western Zone Age Group Championships
563
Luther
Power
1:32.11
12
B Min
BB: 1:29.59 (+2.52s | 2.7%)
Unattached
06/27/2025
Valley Splash
564
Ethan
Valdez
1:32.16
11
B Min
BB: 1:29.59 (+2.57s | 2.8%)
Bay Club Panthers
06/29/2024
DACA LC C B A+ Meet
565
Sean
Carpenter
1:32.24
12
B Min
BB: 1:29.59 (+2.65s | 2.9%)
Hills Hurricane Swimming
06/07/2025
Orinda Aquatics LC C B BB+ Meet
566
Antonio
Mazzeo
1:32.24
11
B Min
BB: 1:29.59 (+2.65s | 2.9%)
Swim Dogs
06/19/2025
2025 CO ACES Summer Invite
50 Back
45.12
45.12
100 Back
47.12
1:32.24
100 Back
1:32.24
567
Dhruv
Balepur
1:32.28
12
B Min
BB: 1:29.59 (+2.69s | 2.9%)
Livermore AquaCowboys
06/07/2025
2025 06 07 CDST LC C B BB+ Meet
568
Ean
Luo
1:32.28
12
B Min
BB: 1:29.59 (+2.69s | 2.9%)
Renegade Aquatics
07/24/2025
2025 SI LC AG CHAMPS
50 Back
44.04
44.04
100 Back
48.24
1:32.28
100 Back
1:32.28
569
Lucas
Ng
1:32.29
11
B Min
BB: 1:29.59 (+2.70s | 2.9%)
Milpitas Aquatic Club
06/27/2025
Valley Splash
570
Ean
Cua
1:32.31
12
B Min
BB: 1:29.59 (+2.72s | 2.9%)
Reno Aquatic Club
06/20/2025
Reno Aquatic Club Gamble
50 Back
45.21
45.21
100 Back
47.10
1:32.31
100 Back
1:32.31
571
Sawyer
Smith
1:32.32
12
B Min
BB: 1:29.59 (+2.73s | 3.0%)
Cottonwood Heights Aquatics
06/27/2025
WFFM Red White And Black 2025
50 Back
45.81
45.81
100 Back
46.51
1:32.32
100 Back
1:32.32
572
Charles
Jones
1:32.36
11
B Min
BB: 1:29.59 (+2.77s | 3.0%)
Aquawolves Swimming
05/17/2025
2025 CO CUDA Vs AQUA Dual
50 Back
45.01
45.01
100 Back
47.35
1:32.36
100 Back
1:32.36
573
Oliver
Howard
1:32.50
11
B Min
BB: 1:29.59 (+2.91s | 3.1%)
Front Range Barracudas
07/11/2025
2025 CO NCS Gold District Championships
50 Back
44.98
44.98
100 Back
47.52
1:32.50
100 Back
1:32.50
574
Gabriel
Olalia
1:32.51
12
B Min
BB: 1:29.59 (+2.92s | 3.2%)
California Dolphins Swim Team
06/07/2025
2025 06 07 CDST LC C B BB+ Meet
575
Robert
Jefferson
1:32.61
11
B Min
BB: 1:29.59 (+3.02s | 3.3%)
Mission Aurora Colorado Swimmi
07/25/2025
2025 CO CSI Age Group Championships
50 Back
43.48
43.48
100 Back
49.13
1:32.61
100 Back
1:32.61
576
Theo
Herson
1:32.61
12
B Min
BB: 1:29.59 (+3.02s | 3.3%)
Albany Armada Aquatics
05/30/2025
VJO S Tuffy Williams Summer Kickoff Classic
577
Owen
Heyduk
1:32.62
11
B Min
BB: 1:29.59 (+3.03s | 3.3%)
Irvine Novaquatics
06/12/2025
2025 June Age Group Invite
50 Back
46.19
46.19
100 Back
46.42
1:32.61
100 Back
1:32.61
578
Joshua
Rhee
1:32.64
12
B Min
BB: 1:29.59 (+3.05s | 3.3%)
Maywood Sparks Swim Team
06/13/2024
2024 CA SCS RMDA June Age Group Invite
50 Back
44.65
44.65
100 Back
47.99
1:32.64
100 Back
1:32.64
579
Thomas
Limando
1:32.65
11
B Min
BB: 1:29.59 (+3.06s | 3.3%)
Swim Team of Placentia
06/12/2025
2025 CA SCS RAA June Age Group Championships
50 Back
42.97
42.97
100 Back
49.68
1:32.65
100 Back
1:32.65
580
Aaron
Hung
1:32.67
11
B Min
BB: 1:29.59 (+3.08s | 3.3%)
Palo Alto Stanford Aquatics
06/27/2025
Silicon Valley LC CBA+ Meet
581
Cooper
Clemens
1:32.70
12
B Min
BB: 1:29.59 (+3.11s | 3.4%)
Foothills Swim Team
05/16/2025
2025 CO NJ Ken Kelley Invite
50 Back
44.02
44.02
100 Back
48.68
1:32.70
100 Back
1:32.70
582
Cedrik
Duran
1:32.74
12
B Min
BB: 1:29.59 (+3.15s | 3.4%)
SOL Swim Team
07/11/2025
2025 SI SDSA All Ages NTS Meet
583
Nicolas
Hernandez Tirado
1:32.77
12
B Min
BB: 1:29.59 (+3.18s | 3.4%)
North Coast Aquatics
07/11/2025
2025 SI JBST All Ages NTS Meet
584
Alex
Deng
1:32.79
11
B Min
BB: 1:29.59 (+3.20s | 3.4%)
Issaquah Swim Team
07/24/2025
2025 PN LC 12 U Championships
585
Aaron
Cho
1:32.81
10
B Min
BB: 1:29.59 (+3.22s | 3.5%)
Blast Sharks
07/25/2024
2024 CA SCS RAA Summer A G Champs
50 Back
43.96
43.96
100 Back
48.85
1:32.81
100 Back
1:32.81
586
Gavin
Allan
1:32.81
12
B Min
BB: 1:29.59 (+3.22s | 3.5%)
Denver Swim Academy
05/17/2025
2025 CO Hilltopper Invite
50 Back
44.22
44.22
100 Back
48.59
1:32.81
100 Back
1:32.81
587
Tadhg
Canning
1:32.82
12
B Min
BB: 1:29.59 (+3.23s | 3.5%)
Park City Swimming
06/27/2025
2nd Annual Water Dragon Open
50 Back
45.40
45.40
100 Back
47.42
1:32.82
100 Back
1:32.82
588
Amos
Taussig
1:32.84
11
B Min
BB: 1:29.59 (+3.25s | 3.5%)
Denver Swim Academy
07/25/2025
2025 CO CSI Age Group Championships
589
kai
Yeon
1:32.84
12
B Min
BB: 1:29.59 (+3.25s | 3.5%)
Maywood Sparks Swim Team
06/13/2024
2024 CA SCS RMDA June Age Group Invite
50 Back
44.45
44.45
100 Back
48.39
1:32.84
100 Back
1:32.84
590
Weihan
Wang
1:32.84
12
B Min
BB: 1:29.59 (+3.25s | 3.5%)
Pleasanton Seahawks
06/29/2024
Alto Summer Swelter
591
Martin
Petzov
1:32.85
12
B Min
BB: 1:29.59 (+3.26s | 3.5%)
Santa Barbara Swim Club
06/16/2023
2023 CA SCS CANY JAG
50 Back
46.22
46.22
100 Back
46.63
1:32.85
100 Back
1:32.85
592
Donovan
Breier
1:32.88
12
B Min
BB: 1:29.59 (+3.29s | 3.5%)
McGrath Marlins Swim Team
07/11/2025
2025 SI SDSA All Ages NTS Meet
593
Cameron
Young
1:32.88
12
B Min
BB: 1:29.59 (+3.29s | 3.5%)
Utah Valley Aquatics
06/27/2025
WFFM Red White And Black 2025
594
Brody
Whitfield
1:32.90
11
B Min
BB: 1:29.59 (+3.31s | 3.6%)
University Place Aquatic Club
06/20/2025
2025 IE VS Starlight Open
595
Samuel
Baisch
1:32.93
11
B Min
BB: 1:29.59 (+3.34s | 3.6%)
Seattle Metropolitan Aquatic C
05/29/2025
2025 IE VS Apple Capital
50 Back
45.50
45.50
100 Back
47.43
1:32.93
100 Back
1:32.93
596
Nikolaus
Anders
1:32.94
11
B Min
BB: 1:29.59 (+3.35s | 3.6%)
Riverside Aquatics Association
07/24/2025
2025 CA SCS RAA Summer A G Champs
50 Back
45.83
45.83
100 Back
47.11
1:32.94
100 Back
1:32.94
597
Edmund
Bao
1:32.95
12
B Min
BB: 1:29.59 (+3.36s | 3.6%)
Blue Dolphin Swim Team
07/11/2025
2025 PN OCA July Jamboree Invitational
50 Back
47.08
47.08
100 Back
45.87
1:32.95
100 Back
1:32.95
598
Benjamin
Schwimmer
1:32.95
11
B Min
BB: 1:29.59 (+3.36s | 3.6%)
Mission Viejo Nadadores
07/25/2024
2024 CA SCS GWSC Summer A G Champs
50 Back
44.85
44.85
100 Back
48.10
1:32.95
100 Back
1:32.95
599
Brayden
Snodgrass
1:32.95
12
B Min
BB: 1:29.59 (+3.36s | 3.6%)
Denver Swim Academy
04/26/2025
2025 CO FST Spring LC Fever
50 Back
45.36
45.36
100 Back
47.59
1:32.95
100 Back
1:32.95
600
Dylan
Wang
1:32.96
12
B Min
BB: 1:29.59 (+3.37s | 3.6%)
Seattle Metropolitan Aquatic C
07/11/2025
2025 PN OCA July Jamboree Invitational
50 Back
45.73
45.73
100 Back
47.23
1:32.96
100 Back
1:32.96