451
William
Lao
1:29.63
11
B Min
BB: 1:29.59 (+0.04s | 0.0%)
Alto Swim Club
07/31/2025
2025 Long Course Far Western Championship
452
Ali
Pasaoglu
1:29.66
12
B Min
BB: 1:29.59 (+0.07s | 0.1%)
Wolverine Aquatics
05/25/2024
2024 Tiger Aquatics C B BB+ Memorial Day Meet
453
Huakai
Shao
1:29.68
12
B Min
BB: 1:29.59 (+0.09s | 0.1%)
Pleasanton Seahawks
05/24/2025
2025 Tiger Aquatics C B BB+ Memorial Day Meet
454
Ethan
Gao
1:29.69
11
B Min
BB: 1:29.59 (+0.10s | 0.1%)
San Dimas Aquatics
07/23/2025
2025 CA SCS Summer A G Champs
455
Wesley
Gor
1:29.71
11
B Min
BB: 1:29.59 (+0.12s | 0.1%)
Alto Swim Club
06/06/2025
2025 DACA LC CBA+ Meet
456
Maxwell
Shields
1:29.73
12
B Min
BB: 1:29.59 (+0.14s | 0.2%)
Pirate Swim Club
07/17/2025
2025 UTAGS LC Championships
50 Back
42.67
42.67
100 Back
47.06
1:29.73
100 Back
1:29.73
457
Rowan
Flavin
1:29.74
12
B Min
BB: 1:29.59 (+0.15s | 0.2%)
Aces Swim Club
04/26/2025
2025 CO FST Spring LC Fever
50 Back
43.93
43.93
100 Back
45.81
1:29.74
100 Back
1:29.74
458
Noah
Schmidt
1:29.75
12
B Min
BB: 1:29.59 (+0.16s | 0.2%)
Legacy Aquatics
05/30/2025
LA OPEN 2025
50 Back
44.52
44.52
100 Back
45.23
1:29.75
100 Back
1:29.75
459
Wesley
Moh
1:29.76
11
B Min
BB: 1:29.59 (+0.17s | 0.2%)
Aquazot Swim Club
07/24/2025
2025 CA SCS RAA Summer A G Champs
50 Back
42.73
42.73
100 Back
47.03
1:29.76
100 Back
1:29.76
460
Linus
Chang
1:29.79
11
B Min
BB: 1:29.59 (+0.20s | 0.2%)
Seattle Metropolitan Aquatic C
07/11/2025
2025 PN OCA July Jamboree Invitational
50 Back
43.52
43.52
100 Back
46.27
1:29.79
100 Back
1:29.79
461
Nicholas
Bandari
1:29.81
12
B Min
BB: 1:29.59 (+0.22s | 0.2%)
Rose Bowl Aquatics
07/25/2024
2024 CA SCS BREA Summer A G Champs
462
Leonardo
Zhang
1:29.81
11
B Min
BB: 1:29.59 (+0.22s | 0.2%)
Monterey Park Manta Rays
07/24/2025
2025 CA SCS RAA Summer A G Champs
50 Back
43.30
43.30
100 Back
46.51
1:29.81
100 Back
1:29.81
463
Nathaniel
Scott
1:29.89
12
B Min
BB: 1:29.59 (+0.30s | 0.3%)
Lehi Aquatics
05/16/2025
SDAT Summer Fun SCM Meet 2025
50 Back
43.38
43.38
100 Back
46.51
1:29.89
100 Back
1:29.89
464
Andrew
Han
1:29.90
11
B Min
BB: 1:29.59 (+0.31s | 0.3%)
Riverside Aquatics Association
07/24/2025
2025 CA SCS RAA Summer A G Champs
50 Back
44.10
44.10
100 Back
45.80
1:29.90
100 Back
1:29.90
465
Brandon
Bai
1:29.91
11
B Min
BB: 1:29.59 (+0.32s | 0.4%)
Bellevue Club Swim Team
07/24/2025
2025 PN LC 12 U Championships
50 Back
43.52
43.52
100 Back
46.39
1:29.91
100 Back
1:29.91
466
Conrad
Jones
1:29.96
11
B Min
BB: 1:29.59 (+0.37s | 0.4%)
Aspire Aquatics of Colorado
06/19/2025
2025 CO ACES Summer Invite
467
Elliott
Meyer
1:29.98
11
B Min
BB: 1:29.59 (+0.39s | 0.4%)
Salem Swim Club
07/12/2025
2025 OSI Arena Summer LC 10 U Championships
50 Back
44.82
44.82
100 Back
45.16
1:29.98
100 Back
1:29.98
468
Leonardo
DeSimone
1:30.01
11
B Min
BB: 1:29.59 (+0.42s | 0.5%)
Valley Aquatics
05/02/2025
2025 PN BC May Flowers
469
Brian
LI
1:30.02
12
B Min
BB: 1:29.59 (+0.43s | 0.5%)
San Ramon Valley Aquatics
05/24/2025
2025 Tiger Aquatics C B BB+ Memorial Day Meet
470
Benjamin
Mellano
1:30.03
11
B Min
BB: 1:29.59 (+0.44s | 0.5%)
Swim Torrance
06/12/2025
2025 June Age Group Invite
50 Back
42.51
42.51
100 Back
47.52
1:30.03
100 Back
1:30.03
471
Ryan
Nassiri
1:30.04
11
B Min
BB: 1:29.59 (+0.45s | 0.5%)
Palo Alto Stanford Aquatics
06/06/2025
BAC C B A Meet
50 Back
45.86
45.86
100 Back
44.18
1:30.04
100 Back
1:30.04
472
Jack
Nash
1:30.04
11
B Min
BB: 1:29.59 (+0.45s | 0.5%)
Ryan YMCA Tidal Waves
06/20/2025
2025 SI SPLASH AND DASH
50 Back
42.65
42.65
100 Back
47.39
1:30.04
100 Back
1:30.04
473
Boone
Brown
1:30.07
12
B Min
BB: 1:29.59 (+0.48s | 0.5%)
Corvallis Aquatic Team
05/30/2025
LA OPEN 2025
50 Back
44.08
44.08
100 Back
45.99
1:30.07
100 Back
1:30.07
474
Eric
Yu
1:30.07
12
B Min
BB: 1:29.59 (+0.48s | 0.5%)
Pacific Dragons Swim Team
06/14/2025
2025 IST June Invtational
475
Tripp
Layer
1:30.08
12
B Min
BB: 1:29.59 (+0.49s | 0.5%)
Flatiron Athletic Club
06/19/2025
2025 CO Grand Junction Invitational
476
Bingwen
Chu
1:30.10
11
B Min
BB: 1:29.59 (+0.51s | 0.6%)
Palo Alto Stanford Aquatics
06/06/2025
BAC C B A Meet
477
Akira
Wolf
1:30.12
12
B Min
BB: 1:29.59 (+0.53s | 0.6%)
Bellingham Bay Swim Team
06/20/2025
2025 IE VS Starlight Open
478
Ivan
Li
1:30.14
12
B Min
BB: 1:29.59 (+0.55s | 0.6%)
California Dolphins Swim Team
04/12/2025
PC BSW LCM C B BB+ Meet
479
Mason
Chi
1:30.14
12
B Min
BB: 1:29.59 (+0.55s | 0.6%)
Rose Bowl Aquatics
07/25/2024
2024 CA SCS BREA Summer A G Champs
480
Ebenezer
Hostetler
1:30.21
11
B Min
BB: 1:29.59 (+0.62s | 0.7%)
Apex
07/24/2025
2025 OSI Arena 11 O LC Championships
481
Aman
Bhatt
1:30.26
12
B Min
BB: 1:29.59 (+0.67s | 0.7%)
Wave Aquatics
05/02/2025
2025 PN BC May Flowers
482
Wyatt
Kmack
1:30.27
12
B Min
BB: 1:29.59 (+0.68s | 0.8%)
Eastmont
07/25/2025
2025 IES LC CHAMPIONSHIPS
483
Caleb
Chan
1:30.33
12
B Min
BB: 1:29.59 (+0.74s | 0.8%)
San Ramon Valley Aquatics
05/24/2025
2025 Tiger Aquatics C B BB+ Memorial Day Meet
484
Raunav
Powar
1:30.37
11
B Min
BB: 1:29.59 (+0.78s | 0.9%)
Highlands Ranch Aquatics
06/27/2025
2025 CO Zone 2 DU Meet
50 Back
42.86
42.86
100 Back
47.51
1:30.37
100 Back
1:30.37
485
Ethan
Wang
1:30.38
12
B Min
BB: 1:29.59 (+0.79s | 0.9%)
Pacific Dragons Swim Team
06/27/2025
2025 PN SMAC Summer Classic Invitational
486
Derek
Xu
1:30.40
11
B Min
BB: 1:29.59 (+0.81s | 0.9%)
Pacific Dragons Swim Team
07/24/2025
2025 PN LC 12 U Championships
50 Back
44.01
44.01
100 Back
46.39
1:30.40
100 Back
1:30.40
487
Briggs
Delaney
1:30.41
12
B Min
BB: 1:29.59 (+0.82s | 0.9%)
Unattached
08/07/2024
2024 Western Zone Age Group Championships
488
Evan
Hsueh
1:30.43
12
B Min
BB: 1:29.59 (+0.84s | 0.9%)
Milpitas Aquatic Club
07/12/2024
Summer Age Group LCM Championships
489
Aritra
Daas
1:30.43
12
B Min
BB: 1:29.59 (+0.84s | 0.9%)
Tualatin Hills Swim Club
06/26/2025
2025 Howard Jones Open
490
Andrew
Croskery
1:30.44
12
B Min
BB: 1:29.59 (+0.85s | 0.9%)
North Coast Aquatics
06/20/2025
2025 SI SPLASH AND DASH
50 Back
44.21
44.21
100 Back
46.23
1:30.44
100 Back
1:30.44
491
Sebastian
Darnell
1:30.45
11
B Min
BB: 1:29.59 (+0.86s | 1.0%)
Pikes Peak Athletics
07/25/2025
2025 CO CSI Age Group Championships
50 Back
44.83
44.83
100 Back
45.62
1:30.45
100 Back
1:30.45
492
Luca
Stallan
1:30.50
11
B Min
BB: 1:29.59 (+0.91s | 1.0%)
North Coast Aquatics
07/24/2025
2025 SI LC AG CHAMPS
50 Back
45.23
45.23
100 Back
45.27
1:30.50
100 Back
1:30.50
493
Tate
Monaghan
1:30.52
12
B Min
BB: 1:29.59 (+0.93s | 1.0%)
Northern Colorado Swim Club
06/06/2025
2025 CO FAST June Bonanza
50 Back
43.17
43.17
100 Back
47.35
1:30.52
100 Back
1:30.52
494
Ethan
Tu
1:30.54
12
B Min
BB: 1:29.59 (+0.95s | 1.0%)
Walnut Creek Aquabears
06/20/2025
Zone 2 Last Chance To AG Champs
495
Cheston
Liang
1:30.58
12
B Min
BB: 1:29.59 (+0.99s | 1.1%)
Palo Alto Stanford Aquatics
05/18/2024
PASA Mayhem LCM Meet
496
Cole
Li
1:30.70
12
B Min
BB: 1:29.59 (+1.11s | 1.2%)
Eastside Aquatic Swim Team
07/11/2025
2025 THSC Summer Classic
50 Back
45.12
45.12
100 Back
45.58
1:30.70
100 Back
1:30.70
497
Aiden
Kim
1:30.72
11
B Min
BB: 1:29.59 (+1.13s | 1.2%)
Tualatin Hills Swim Club
06/26/2025
2025 Howard Jones Open
498
Yicheng
Wang
1:30.74
11
B Min
BB: 1:29.59 (+1.15s | 1.3%)
Aquazot Swim Club
06/12/2025
2025 SCS June AG Invite @ La Mirada Armada
499
Bo
Striegel
1:30.78
12
B Min
BB: 1:29.59 (+1.19s | 1.3%)
Pikes Peak Athletics
05/17/2025
2025 CO Hilltopper Invite
50 Back
43.72
43.72
100 Back
47.06
1:30.78
100 Back
1:30.78
500
Oliver
Marion
1:30.81
12
B Min
BB: 1:29.59 (+1.22s | 1.3%)
Flatiron Athletic Club
07/11/2025
2025 CO NJ Firecracker Invite
50 Back
44.68
44.68
100 Back
46.13
1:30.81
100 Back
1:30.81