351
Caelen
Chin
1:03.33
16
B Min
BB: 1:00.59 (+2.74s | 4.3%)
Sunnyvale Swim Club
10/27/2023
2023 SUNN Fall Classic
352
Brandon
Hsu
1:03.34
18
B Min
BB: 1:00.59 (+2.75s | 4.3%)
Otter Swim Club
01/25/2025
Z1N SC Championship
50 Back
29.43
29.43
100 Back
33.91
1:03.34
100 Back
1:03.34
353
Oliver
Rogers
1:03.34
18
B Min
BB: 1:00.59 (+2.75s | 4.3%)
Thunder Coast Aquatics
11/21/2025
HISI Senior Fall Championship (SCY)
354
Evan
Chien
1:03.36
14
B Min
BB: 1:00.59 (+2.77s | 4.4%)
Palo Alto Stanford Aquatics
01/22/2022
2022 Zone 1 North Championships
50 Back
30.14
30.14
100 Back
33.22
1:03.36
100 Back
1:03.36
355
Liam
Wilson
1:03.36
18
B Min
BB: 1:00.59 (+2.77s | 4.4%)
Pacifica Sea Lions
01/25/2025
Z1N SC Championship
50 Back
29.86
29.86
100 Back
33.50
1:03.36
100 Back
1:03.36
356
Theo
Seifert
1:03.40
17
B Min
BB: 1:00.59 (+2.81s | 4.4%)
Lakeridge Swim Team
10/18/2024
2024 KING OF THE HILL CHALLENGE
50 Back
31.48
31.48
100 Back
31.92
1:03.40
100 Back
1:03.40
357
Jimmy
Jing
1:03.43
15
B Min
BB: 1:00.59 (+2.84s | 4.5%)
Sfrp Rossi Swim Team
12/08/2023
Neptune Swimming Swim Like The Dickens
50 Back
30.41
30.41
100 Back
33.02
1:03.43
100 Back
1:03.43
358
Hongyu
Lin
1:03.44
15
B Min
BB: 1:00.59 (+2.85s | 4.5%)
Palo Alto Stanford Aquatics
01/28/2023
2023 Zone 1 North Championships
50 Back
30.45
30.45
100 Back
32.99
1:03.44
100 Back
1:03.44
359
Jayce
Yap
1:03.45
16
B Min
BB: 1:00.59 (+2.86s | 4.5%)
Santa Clara Swim Club
06/14/2025
SCSC Blue Gold Block Party Meet June
360
Nathan
Nguyen
1:03.51
16
B Min
BB: 1:00.59 (+2.92s | 4.6%)
East Bay Bat Rays
07/15/2023
Zone 2 Summer Championships
361
Ruofei
Yang
1:03.52
16
B Min
BB: 1:00.59 (+2.93s | 4.6%)
04/24/2024
2024 SCVAL De Anza Division Championship Meet
50 Back
30.68
30.68
100 Back
32.84
1:03.52
100 Back
1:03.52
362
Caleb
Jiang
1:03.53
15
B Min
BB: 1:00.59 (+2.94s | 4.6%)
Unattached
03/09/2024
Pleasanton Seahawks SC Senior Open
50 Back
31.31
31.31
100 Back
32.22
1:03.53
100 Back
1:03.53
363
Matthew
Lkhagvasuren
1:03.59
16
B Min
BB: 1:00.59 (+3.00s | 4.7%)
Orinda Aquatics
01/11/2025
Crow Canyon Sharks Shortcourse C B BB+
364
Mario
Ferrante
1:03.60
16
B Min
BB: 1:00.59 (+3.01s | 4.7%)
Palo Alto Stanford Aquatics
11/01/2025
2025 Joyce Lanphere Invitational
365
Mirek
Hanacek
1:03.64
13
B Min
BB: 1:00.59 (+3.05s | 4.8%)
Hills Hurricane Swimming
07/11/2021
7
366
Duncan
Burk
1:03.65
15
B Min
BB: 1:00.59 (+3.06s | 4.8%)
Almaden Riptide
01/26/2024
2024 Brian Malick Memorial Z1S Championships
367
Lucas
Zhou
1:03.66
16
B Min
BB: 1:00.59 (+3.07s | 4.8%)
Albany Armada Aquatics
07/18/2025
2025 Redwood Empire Swim League Championship
368
Laird
Muise
1:03.68
16
B Min
BB: 1:00.59 (+3.09s | 4.9%)
Tri Valley Aquatics
11/01/2024
Pleasanton Seahawks SC Senior Open
50 Back
30.49
30.49
100 Back
33.19
1:03.68
100 Back
1:03.68
369
Hayden
Jane
1:03.71
16
B Min
BB: 1:00.59 (+3.12s | 4.9%)
Valley Splash
02/20/2025
2025 Juanita Allington Memorial
50 Back
30.47
30.47
100 Back
33.24
1:03.71
100 Back
1:03.71
370
Kaden
Poon
1:03.74
16
B Min
BB: 1:00.59 (+3.15s | 4.9%)
Sunnyvale Swim Club
01/27/2024
2024 Zone 1 North Championships
50 Back
31.01
31.01
100 Back
32.73
1:03.74
100 Back
1:03.74
371
Alexander
Chan
1:03.74
16
B Min
BB: 1:00.59 (+3.15s | 4.9%)
Sunnyvale Swim Club
10/26/2024
2024 SUNN Fall Classic CBA+ Meet
372
Leonardo
Rocha Escobar
1:03.77
15
B Min
BB: 1:00.59 (+3.18s | 5.0%)
Mendocino Coast Sea Dragons
09/23/2023
SR Open SC September 2023
50 Back
31.00
31.00
100 Back
32.77
1:03.77
100 Back
1:03.77
373
Kevin
Noller
1:03.78
17
B Min
BB: 1:00.59 (+3.19s | 5.0%)
Quicksilver Swimming
01/24/2025
2025 Brian Malick Memorial Z1S Championships
374
Jacob
Ng
1:03.79
16
B Min
BB: 1:00.59 (+3.20s | 5.0%)
Unattached
02/22/2025
2025 Tri Venue Last Chance Meet PASA
375
Orion
Arroyo
1:03.81
15
B Min
BB: 1:00.59 (+3.22s | 5.0%)
Valley Splash
01/27/2023
2023 Brian Malick Memorial Z1S Championships
50 Back
31.82
31.82
100 Back
31.99
1:03.81
100 Back
1:03.81
376
Adam
Hu
1:03.84
16
B Min
BB: 1:00.59 (+3.25s | 5.1%)
El Camino
04/24/2024
PAL Championships Trials And Finals
377
Steven
Weinstein
1:03.84
16
B Min
BB: 1:00.59 (+3.25s | 5.1%)
The Olympic Club
02/01/2025
2025 Peggy Ramirez Memorial Z3 Winter Champs
378
Zachary
Dortch
1:03.85
15
B Min
BB: 1:00.59 (+3.26s | 5.1%)
Alameda Gators
08/04/2023
2023 City Of Alameda Swim Championships
379
David
Cheung Jr.
1:03.88
15
B Min
BB: 1:00.59 (+3.29s | 5.2%)
Walnut Creek Aquabears
09/23/2023
SR Open SC September 2023
50 Back
30.81
30.81
100 Back
33.07
1:03.88
100 Back
1:03.88
380
Pragyan
Ramamoorthy
1:03.89
15
B Min
BB: 1:00.59 (+3.30s | 5.2%)
San Ramon Valley Aquatics
11/18/2023
LAC Nov 18 Quad Meet
381
Alastair
Curran
1:03.89
17
B Min
BB: 1:00.59 (+3.30s | 5.2%)
Terrapins Swim Team
10/19/2024
Orinda Aquatics SCY Senior Open Meet
50 Back
31.97
31.97
100 Back
31.92
1:03.89
100 Back
1:03.89
382
Kieran
Clarke
1:03.91
15
B Min
BB: 1:00.59 (+3.32s | 5.2%)
Unattached
02/25/2023
BAC SC CBA+ Meet
383
George
Tao
1:03.97
12
B Min
BB: 1:00.59 (+3.38s | 5.3%)
Burlingame Aquatics
04/24/2021
BAC Intrasquad Championships
50 Back
31.22
31.22
100 Back
32.75
1:03.97
100 Back
1:03.97
384
Warren
Tan
1:03.99
16
B Min
BB: 1:00.59 (+3.40s | 5.3%)
Quicksilver Swimming
12/14/2024
Zone 1 South Winter Championships
385
Robert
Powers
1:04.03
15
B Min
BB: 1:00.59 (+3.44s | 5.4%)
Humboldt Swim Club
10/06/2023
Neptune Swimming Fall Classic
50 Back
30.72
30.72
100 Back
33.31
1:04.03
100 Back
1:04.03
386
Aiden
Wang
1:04.05
15
B Min
BB: 1:00.59 (+3.46s | 5.4%)
Pleasanton Seahawks
09/23/2023
SR Open SC September 2023
50 Back
31.25
31.25
100 Back
32.80
1:04.05
100 Back
1:04.05
387
Bryce
Chen
1:04.09
13
B Min
BB: 1:00.59 (+3.50s | 5.5%)
Quicksilver Swimming
09/23/2022
SCSC $ Bay CBA+
388
Carter
Rankin
1:04.15
13
B Min
BB: 1:00.59 (+3.56s | 5.5%)
Palo Alto Stanford Aquatics
06/12/2021
June 12 PASA Intersquad Meet
50 Back
30.94
30.94
100 Back
33.21
1:04.15
100 Back
1:04.15
389
Jarod
Tang
1:04.20
16
B Min
BB: 1:00.59 (+3.61s | 5.6%)
San Ramon Valley Aquatics
12/14/2024
Richard Thorntorn Memorial Meet SCY CBBB+
390
Felix
Mcculloh
1:04.22
17
B Min
BB: 1:00.59 (+3.63s | 5.7%)
Otter Swim Club
11/14/2025
PSL Pumpkin Spice Lovers 25 129
391
Christopher
Lee-Weinand
1:04.23
14
B Min
BB: 1:00.59 (+3.64s | 5.7%)
DeAnza Cupertino Aquatics
11/20/2021
Pacific Swimming Senior Open Meet
50 Back
31.01
31.01
100 Back
33.22
1:04.23
100 Back
1:04.23
392
Tad
Ziemba
1:04.24
13
B Min
BB: 1:00.59 (+3.65s | 5.7%)
Santa Clara Swim Club
10/22/2022
Orinda Aquatics PC Senior SC
50 Back
31.52
31.52
100 Back
32.72
1:04.24
100 Back
1:04.24
393
Luciano
Tantarelli
1:04.24
17
B Min
BB: 1:00.59 (+3.65s | 5.7%)
Sebastopol Sea Serpents
07/26/2025
2025 REAL Championships
50 Back
30.74
30.74
100 Back
33.50
1:04.24
100 Back
1:04.24
394
Brendan
Wong
1:04.30
13
B Min
BB: 1:00.59 (+3.71s | 5.8%)
Burlingame Aquatics
10/23/2021
TYR BAC Spooky Fall Classic C B A+
50 Back
30.87
30.87
100 Back
33.43
1:04.30
100 Back
1:04.30
395
Hao
Lei
1:04.31
14
B Min
BB: 1:00.59 (+3.72s | 5.8%)
The Olympic Club
02/04/2022
Vallejo Aquatic Club SC C B A+
50 Back
31.49
31.49
100 Back
32.82
1:04.31
100 Back
1:04.31
396
Max
Rebro
1:04.38
16
B Min
BB: 1:00.59 (+3.79s | 5.9%)
Piedmont Swim Team
07/05/2024
2024 Redwood Empire Swim League Championship
397
Benjamin
Asselin
1:04.38
16
B Min
BB: 1:00.59 (+3.79s | 5.9%)
Clayton Valley High School
04/25/2024
DAL Championships 2024
50 Back
30.44
30.44
100 Back
33.94
1:04.38
100 Back
1:04.38
398
Jackson
Tobler
1:04.40
16
B Min
BB: 1:00.59 (+3.81s | 5.9%)
Thunder Coast Aquatics
12/06/2025
Neptune Swimming Swim Like The Dickens
50 Back
31.55
31.55
100 Back
32.85
1:04.40
100 Back
1:04.40
399
Riley
TA
1:04.43
15
B Min
BB: 1:00.59 (+3.84s | 6.0%)
Santa Clara Swim Club
07/22/2023
OA Summer Finale SCY LCM Invitational 2023
50 Back
31.67
31.67
100 Back
32.76
1:04.43
100 Back
1:04.43
400
John
Fan
1:04.46
15
B Min
BB: 1:00.59 (+3.87s | 6.0%)
Palo Alto Stanford Aquatics
10/29/2022
TYR BAC Spooky Fall Classic CBA
50 Back
31.44
31.44
100 Back
33.02
1:04.46
100 Back
1:04.46