651
Yuri
Evstigneev
1:34.15
11
B Min
BB: 1:29.59 (+4.56s | 4.8%)
Santa Clara Swim Club
06/27/2025
Valley Splash
652
Sebastian
Viteri
1:34.20
11
B Min
BB: 1:29.59 (+4.61s | 4.9%)
Vision Swim
07/23/2025
2025 CA SCS Summer A G Champs
653
Leo
Cahoy
1:34.22
12
B Min
BB: 1:29.59 (+4.63s | 4.9%)
Palo Alto Stanford Aquatics
05/17/2025
2025 LAMV SCM C B A+
50 Back
46.82
46.82
100 Back
47.40
1:34.22
100 Back
1:34.22
654
Kevin
Song
1:34.23
11
B Min
BB: 1:29.59 (+4.64s | 4.9%)
Rose Bowl Aquatics
07/25/2024
2024 CA SCS BREA Summer A G Champs
655
Albert
Ge
1:34.26
11
B Min
BB: 1:29.59 (+4.67s | 5.0%)
Fontana Aquatics Club
06/12/2025
2025 June Age Group Invite
50 Back
44.77
44.77
100 Back
49.49
1:34.26
100 Back
1:34.26
656
Colin
Thayer
1:34.29
12
B Min
BB: 1:29.59 (+4.70s | 5.0%)
Elko Swim Team
05/16/2025
2025 Spring Fling LC Invitational
50 Back
44.65
44.65
100 Back
49.64
1:34.29
100 Back
1:34.29
657
Greyson
Calliham
1:34.34
12
B Min
BB: 1:29.59 (+4.75s | 5.0%)
Loveland Swim Club
07/11/2025
2025 CO NCS Gold District Championships
50 Back
45.82
45.82
100 Back
48.52
1:34.34
100 Back
1:34.34
658
Stephen
Zhang
1:34.38
11
B Min
BB: 1:29.59 (+4.79s | 5.1%)
Alto Swim Club
07/19/2025
Alto Last Splash
659
Braxton
Davis
1:34.40
12
B Min
BB: 1:29.59 (+4.81s | 5.1%)
Wave Aquatics
05/02/2025
2025 PN BC May Flowers
660
Aaron
Ren
1:34.42
12
B Min
BB: 1:29.59 (+4.83s | 5.1%)
Eastside Aquatic Swim Team
04/25/2025
2025 PN KING Spring Derby
50 Back
45.61
45.61
100 Back
48.81
1:34.42
100 Back
1:34.42
661
Gabriel
Purnomo
1:34.42
12
B Min
BB: 1:29.59 (+4.83s | 5.1%)
Milpitas Aquatic Club
06/27/2025
Valley Splash
662
Julian
Tang
1:34.44
11
B Min
BB: 1:29.59 (+4.85s | 5.1%)
Aquazot Swim Club
06/12/2025
2025 SCS June AG Invite @ La Mirada Armada
663
Jay
Andresen
1:34.44
11
B Min
BB: 1:29.59 (+4.85s | 5.1%)
Lakeridge Swim Team
05/23/2025
2025 Intermountain Classic Long Course Meet
50 Back
45.72
45.72
100 Back
48.72
1:34.44
100 Back
1:34.44
664
Hawkeye
Knopke
1:34.49
11
B Min
BB: 1:29.59 (+4.90s | 5.2%)
Jbarracudas Swim Team
07/11/2025
2025 SI JBST All Ages NTS Meet
665
Yiyan
Li
1:34.50
11
B Min
BB: 1:29.59 (+4.91s | 5.2%)
Front Range Barracudas
05/30/2025
2025 CO Barracuda Summer Sizzler Invite
50 Back
45.34
45.34
100 Back
49.16
1:34.50
100 Back
1:34.50
666
William
DeBoer
1:34.51
11
B Min
BB: 1:29.59 (+4.92s | 5.2%)
Denver Swim Academy
07/25/2025
2025 CO CSI Age Group Championships
50 Back
46.33
46.33
100 Back
48.18
1:34.51
100 Back
1:34.51
667
Kyler
Bowe
1:34.51
12
B Min
BB: 1:29.59 (+4.92s | 5.2%)
Wasatch Front Fish Market
06/27/2025
WFFM Red White And Black 2025
50 Back
46.56
46.56
100 Back
47.95
1:34.51
100 Back
1:34.51
668
Hayden
Ayres
1:34.52
11
B Min
BB: 1:29.59 (+4.93s | 5.2%)
Pikes Peak Athletics
04/26/2025
2025 CO FST Spring LC Fever
50 Back
46.42
46.42
100 Back
48.10
1:34.52
100 Back
1:34.52
669
Jeremiah
O'Keefe
1:34.53
11
B Min
BB: 1:29.59 (+4.94s | 5.2%)
North Coast Aquatics
07/24/2025
2025 SI LC AG CHAMPS
50 Back
45.07
45.07
100 Back
49.46
1:34.53
100 Back
1:34.53
670
Hao-En
Wu
1:34.54
11
B Min
BB: 1:29.59 (+4.95s | 5.2%)
Pro Swimming
07/24/2025
2025 PN LC 12 U Championships
671
George
Zhao
1:34.58
12
B Min
BB: 1:29.59 (+4.99s | 5.3%)
Pacific Dragons Swim Team
07/11/2025
2025 PN OCA July Jamboree Invitational
50 Back
46.22
46.22
100 Back
48.36
1:34.58
100 Back
1:34.58
672
Avery
Eggleston
1:34.61
12
B Min
BB: 1:29.59 (+5.02s | 5.3%)
Castle Rock Swimming
06/27/2025
2025 CO Zone 2 DU Meet
673
Ethan
Xu
1:34.61
12
B Min
BB: 1:29.59 (+5.02s | 5.3%)
Bellevue Club Swim Team
07/18/2025
2025 PN Chinook Age Group Seattle Open
674
John
Meyerdirk
1:34.63
11
B Min
BB: 1:29.59 (+5.04s | 5.3%)
The Olympic Club
06/21/2025
NVST Last Chance AG Champs Summer Plunge 2025
675
Fred
Chase
1:34.64
12
B Min
BB: 1:29.59 (+5.05s | 5.3%)
Hilltop Aquatic Swim Team
06/21/2025
2025 UT HAST RWB BC Medals Meet
50 Back
45.19
45.19
100 Back
49.45
1:34.64
100 Back
1:34.64
676
Haoyi
Guo
1:34.64
12
B Min
BB: 1:29.59 (+5.05s | 5.3%)
Santa Clara Swim Club
05/23/2025
Zone 1 South May Firecracker 500
677
Oliver
Lee Chan Kam
1:34.66
12
B Min
BB: 1:29.59 (+5.07s | 5.4%)
Alto Swim Club
06/06/2025
2025 DACA LC CBA+ Meet
678
Elias
Frum
1:34.66
11
B Min
BB: 1:29.59 (+5.07s | 5.4%)
Foothills Swim Team
04/26/2025
2025 CO FST Spring LC Fever
50 Back
47.46
47.46
100 Back
47.20
1:34.66
100 Back
1:34.66
679
Tsu-An
Lin
1:34.67
12
B: 1:23.69 (+10.98s | 11.6%)
St. Lawrence Swim Team
05/23/2025
Zone 1 South May Firecracker 500
680
William
Bogdan
1:34.70
12
B Min
BB: 1:29.59 (+5.11s | 5.4%)
Aquawolves Swimming
05/30/2025
2025 CO Barracuda Summer Sizzler Invite
50 Back
46.21
46.21
100 Back
48.49
1:34.70
100 Back
1:34.70
681
Arvin
Fategh
1:34.72
11
B Min
BB: 1:29.59 (+5.13s | 5.4%)
Aquazot Swim Club
07/24/2025
2025 CA SCS RAA Summer A G Champs
50 Back
46.22
46.22
100 Back
48.50
1:34.72
100 Back
1:34.72
682
Eins
Tan
1:34.72
12
B Min
BB: 1:29.59 (+5.13s | 5.4%)
Alto Swim Club
06/22/2024
Alto Beat The Heat Sat Sun
683
Dylan
Nguyen
1:34.75
11
B Min
BB: 1:29.59 (+5.16s | 5.4%)
Irvine Novaquatics
06/12/2025
2025 June Age Group Invite
50 Back
45.97
45.97
100 Back
48.78
1:34.75
100 Back
1:34.75
684
Troy
Luther
1:34.75
12
B Min
BB: 1:29.59 (+5.16s | 5.4%)
Lake Oswego Swim Club
06/06/2025
2025 THSC June Invitational
50 Back
46.41
46.41
100 Back
48.34
1:34.75
100 Back
1:34.75
685
Jasper
Fu
1:34.76
11
B Min
BB: 1:29.59 (+5.17s | 5.5%)
Circle City Aquatics
06/13/2024
2024 CA SCS NOVA June Age Group Invite
50 Back
45.86
45.86
100 Back
48.90
1:34.76
100 Back
1:34.76
686
Jayden
Lequerica
1:34.76
12
B Min
BB: 1:29.59 (+5.17s | 5.5%)
Carson Tigersharks
05/23/2025
2025 Intermountain Classic Long Course Meet
50 Back
47.51
47.51
100 Back
47.25
1:34.76
100 Back
1:34.76
687
Jack
Sjulin
1:34.79
12
B Min
BB: 1:29.59 (+5.20s | 5.5%)
San Clemente Aquatic Team
07/20/2023
2023 CA CITI Summer Age Group Championships
688
Hayden
Baker
1:34.82
11
B Min
BB: 1:29.59 (+5.23s | 5.5%)
Dart Swimming
06/21/2024
Reno Aquatic Club Gamble
689
Asher
Gorman
1:34.85
12
B Min
BB: 1:29.59 (+5.26s | 5.5%)
Castle Rock Swimming
04/25/2025
2025 CO Steve Drozda LC Shotgun
50 Back
45.24
45.24
100 Back
49.61
1:34.85
100 Back
1:34.85
690
Kohler
Levi
1:34.87
12
B Min
BB: 1:29.59 (+5.28s | 5.6%)
Aspire Aquatics of Colorado
06/19/2025
2025 CO ACES Summer Invite
691
Milton
Gong
1:34.92
12
B Min
BB: 1:29.59 (+5.33s | 5.6%)
Quicksilver Swimming
05/17/2024
Quicksilver Swimming Zone 1S LCM C B A+ Meet
50 Back
47.02
47.02
100 Back
47.90
1:34.92
100 Back
1:34.92
692
Hernan
Michelot
1:34.93
11
B Min
BB: 1:29.59 (+5.34s | 5.6%)
Speed Aquatics
07/23/2025
2025 CA SCS Summer A G Champs
693
Hudson
Rarick
1:34.98
11
B Min
BB: 1:29.59 (+5.39s | 5.7%)
Apex
07/24/2025
2025 OSI Arena 11 O LC Championships
694
Lincoln
Yancy
1:35.00
12
B Min
BB: 1:29.59 (+5.41s | 5.7%)
Tualatin Hills Swim Club
07/24/2025
2025 OSI Arena 11 O LC Championships
695
Ethan
Muzzarelli
1:35.03
12
B Min
BB: 1:29.59 (+5.44s | 5.7%)
Woodbridge Swim Team
07/25/2024
2024 CA SCS GWSC Summer A G Champs
50 Back
45.11
45.11
100 Back
49.92
1:35.03
100 Back
1:35.03
696
Emilio
Morara
1:35.04
12
B Min
BB: 1:29.59 (+5.45s | 5.7%)
Bay Club Panthers
06/06/2025
BAC C B A Meet
697
Henry
Cherry
1:35.07
11
B Min
BB: 1:29.59 (+5.48s | 5.8%)
Mission Viejo Nadadores
07/23/2025
2025 CA SCS Summer A G Champs
698
Samuel
Smith
1:35.09
11
B Min
BB: 1:29.59 (+5.50s | 5.8%)
Evolution Racing Club
06/13/2024
2024 CA SCS NOVA June Age Group Invite
50 Back
45.99
45.99
100 Back
49.10
1:35.09
100 Back
1:35.09
699
Rio
Ohta
1:35.15
11
B Min
BB: 1:29.59 (+5.56s | 5.8%)
Mission Viejo Nadadores
07/25/2024
2024 CA SCS GWSC Summer A G Champs
50 Back
46.91
46.91
100 Back
48.24
1:35.15
100 Back
1:35.15
700
Alexander
Szymanowski
1:35.23
12
B Min
BB: 1:29.59 (+5.64s | 5.9%)
Dart Swimming
06/23/2023
Reno Aquatic Club Gamble