1
Dongqi
Yu
57.44
17
AAA Min
AAAA: 55.99 (+1.45s | 2.5%)
Alto Swim Club
11/23/2024
Alto Fall Frolic Meet
50 Breast
27.30
27.30
100 Breast
30.14
57.44
100 Breast
57.44
2
Kim
Uehara
58.13
18
AAA Min
AAAA: 55.99 (+2.14s | 3.7%)
Alto Swim Club
12/10/2025
2025 West Speedo Winter Juniors
50 Breast
27.24
27.24
100 Breast
30.89
58.13
100 Breast
58.13
3
Jinu
Hong
58.46
17
AAA Min
AAAA: 55.99 (+2.47s | 4.2%)
Alto Swim Club
01/25/2025
Z1N SC Championship
50 Breast
27.67
27.67
100 Breast
30.79
58.46
100 Breast
58.46
4
Eric
Meng
1:01.05
18
AA Min
AAA: 58.69 (+2.36s | 3.9%)
Alto Swim Club
01/24/2026
2026 Zone 1 North Championships
50 Breast
29.30
29.30
100 Breast
31.75
1:01.05
100 Breast
1:01.05
5
Samuel
Du
1:01.39
17
AA Min
AAA: 58.69 (+2.70s | 4.4%)
Alto Swim Club
04/03/2025
Pacific Swimming SC Far Western Champs
50 Breast
29.31
29.31
100 Breast
32.08
1:01.39
100 Breast
1:01.39
6
Guanghao
Shao
1:01.89
17
A Min
AA: 1:01.39 (+0.50s | 0.8%)
Alto Swim Club
11/22/2025
Pacific Swim SC Senior Open Hosted By TERA
50 Breast
29.69
29.69
100 Breast
32.20
1:01.89
100 Breast
1:01.89
7
Francisco
Goya
1:02.05
16
A Min
AA: 1:01.39 (+0.66s | 1.1%)
Alto Swim Club
01/27/2024
2024 Zone 1 North Championships
50 Breast
29.04
29.04
100 Breast
33.01
1:02.05
100 Breast
1:02.05
8
Dong
Meng
1:02.60
18
A Min
AA: 1:01.39 (+1.21s | 1.9%)
Alto Swim Club
04/03/2025
Pacific Swimming SC Far Western Champs
50 Breast
29.10
29.10
100 Breast
33.50
1:02.60
100 Breast
1:02.60
9
Scott
Fong
1:03.32
16
A Min
AA: 1:01.39 (+1.93s | 3.0%)
Gunn High School
04/25/2023
SCVAL De Anza Division Championship Meet
50 Breast
29.65
29.65
100 Breast
33.67
1:03.32
100 Breast
1:03.32
10
Dylan
Fujita
1:03.43
16
A Min
AA: 1:01.39 (+2.04s | 3.2%)
Alto Swim Club
12/19/2025
ALTO Candy Cane Classic
11
Benjamin
Mai
1:03.95
14
A Min
AA: 1:01.39 (+2.56s | 4.0%)
Alto Swim Club
05/07/2023
2023 DACA Post CCS NCS Senior Meet
50 Breast
30.20
30.20
100 Breast
33.75
1:03.95
100 Breast
1:03.95
12
Tony
Cui
1:04.02
16
BB Min
A: 1:03.99 (+0.03s | 0.0%)
Alto Swim Club
01/27/2024
2024 Zone 1 North Championships
50 Breast
30.58
30.58
100 Breast
33.43
1:04.01
100 Breast
1:04.01
13
Eric
Zhang
1:04.09
16
BB Min
A: 1:03.99 (+0.10s | 0.2%)
Alto Swim Club
02/14/2025
33rd Annual Lost Dutchman Invitational
50 Breast
30.11
30.11
100 Breast
33.98
1:04.09
100 Breast
1:04.09
14
Derek
Shang
1:04.21
17
BB Min
A: 1:03.99 (+0.22s | 0.3%)
Alto Swim Club
01/24/2026
2026 Zone 1 North Championships
50 Breast
30.21
30.21
100 Breast
34.00
1:04.21
100 Breast
1:04.21
15
Ryan
Kumar
1:04.96
17
BB Min
A: 1:03.99 (+0.97s | 1.5%)
Alto Swim Club
12/19/2025
ALTO Candy Cane Classic
50 Breast
30.60
30.60
100 Breast
34.36
1:04.96
100 Breast
1:04.96
16
Eric
Zhang
1:05.73
16
BB Min
A: 1:03.99 (+1.74s | 2.6%)
Alto Swim Club
01/25/2025
Z1N SC Championship
50 Breast
31.11
31.11
100 Breast
34.62
1:05.73
100 Breast
1:05.73
17
Remi
Hoffman Chande
1:06.05
17
BB Min
A: 1:03.99 (+2.06s | 3.1%)
Alto Swim Club
12/06/2025
Alto Dec 6 7 CBA
50 Breast
30.89
30.89
100 Breast
35.16
1:06.05
100 Breast
1:06.05
18
Dylan
Glanville
1:06.05
17
BB Min
A: 1:03.99 (+2.06s | 3.1%)
Alto Swim Club
11/22/2025
Pacific Swim SC Senior Open Hosted By TERA
50 Breast
30.72
30.72
100 Breast
35.33
1:06.05
100 Breast
1:06.05
19
Atiksh
Negi
1:06.80
17
BB Min
A: 1:03.99 (+2.81s | 4.2%)
Alto Swim Club
11/22/2025
Pacific Swim SC Senior Open Hosted By TERA
50 Breast
31.26
31.26
100 Breast
35.54
1:06.80
100 Breast
1:06.80
20
Chan
Na
1:07.10
17
BB Min
A: 1:03.99 (+3.11s | 4.6%)
Alto Swim Club
01/24/2026
2026 Zone 1 North Championships
50 Breast
31.39
31.39
100 Breast
35.71
1:07.10
100 Breast
1:07.10
21
James
Meehan
1:07.27
14
BB Min
A: 1:03.99 (+3.28s | 4.9%)
Alto Swim Club
01/22/2022
2022 Zone 1 North Championships
50 Breast
31.27
31.27
100 Breast
36.00
1:07.27
100 Breast
1:07.27
22
Alvin
Fu
1:08.96
13
BB Min
A: 1:03.99 (+4.97s | 7.2%)
Alto Swim Club
04/07/2022
2022 Pacific Swimming SC Far Western Champs
50 Breast
33.04
33.04
100 Breast
35.92
1:08.96
100 Breast
1:08.96
23
Gavin
Ho
1:10.25
14
B Min
BB: 1:09.39 (+0.86s | 1.2%)
Unattached
03/25/2023
Alto Rock The Blocks Invitational
50 Breast
33.39
33.39
100 Breast
36.86
1:10.25
100 Breast
1:10.25
24
Maurice
Okore
1:11.77
13
B Min
BB: 1:09.39 (+2.38s | 3.3%)
Alto Swim Club
07/23/2022
Alto Invite July 23 2022
50 Breast
33.75
33.75
100 Breast
38.02
1:11.77
100 Breast
1:11.77
25
Julius
Bach
1:12.34
14
B Min
BB: 1:09.39 (+2.95s | 4.1%)
Alto Swim Club
11/17/2023
Alto Fall Frolic 2023
50 Breast
34.18
34.18
100 Breast
38.16
1:12.34
100 Breast
1:12.34
26
Aaron
Shone
1:17.21
15
B: 1:14.69 (+2.52s | 3.3%)
Alto Swim Club
01/28/2023
2023 Zone 1 North Championships
50 Breast
36.62
36.62
100 Breast
40.59
1:17.21
100 Breast
1:17.21
27
Cole
Akin
1:17.35
14
B: 1:14.69 (+2.66s | 3.4%)
Alto Swim Club
01/28/2023
2023 Zone 1 North Championships
50 Breast
35.90
35.90
100 Breast
41.45
1:17.35
100 Breast
1:17.35
28
Marc
Chalouhi
1:17.38
15
B: 1:14.69 (+2.69s | 3.5%)
Alto Swim Club
01/27/2024
2024 Zone 1 North Championships
50 Breast
33.94
33.94
100 Breast
43.44
1:17.38
100 Breast
1:17.38
29
Jayce
Yap
1:19.96
14
B: 1:14.69 (+5.27s | 6.6%)
Alto Swim Club
01/14/2023
South San Francisco C B A+
30
Angel
Leon
1:20.54
18
B: 1:14.69 (+5.85s | 7.3%)
Alto Swim Club
12/19/2025
ALTO Candy Cane Classic
31
Arjan
Pannu
1:20.87
14
B: 1:14.69 (+6.18s | 7.6%)
Alto Swim Club
10/29/2022
SUNN Fall Classic C B A Short Course Meet
32
OLIVER
BOESCH
1:21.20
12
B: 1:14.69 (+6.51s | 8.0%)
Alto Swim Club
01/11/2020
South San Francisco C/B/A+
33
Harper
Skey
1:23.65
13
B: 1:14.69 (+8.96s | 10.7%)
Alto Swim Club
01/28/2023
2023 Zone 1 North Championships
50 Breast
39.39
39.39
100 Breast
44.26
1:23.65
100 Breast
1:23.65
34
Dhruv
Vijay
1:27.09
13
B: 1:14.69 (+12.40s | 14.2%)
Alto Swim Club
11/13/2021
ALTO Swim Club C B A+
50 Breast
41.42
41.42
100 Breast
45.67
1:27.09
100 Breast
1:27.09
35
Tijl
Peeters
1:27.84
11
B: 1:14.69 (+13.15s | 15.0%)
Alto Swim Club
02/08/2020
Alto Swim Club SC CBA Meet
50 Breast
42.03
42.03
100 Breast
45.81
1:27.84
100 Breast
1:27.84
36
Teun
Niederer
1:28.85
11
B: 1:14.69 (+14.16s | 15.9%)
Alto Swim Club
02/09/2019
2019 AltoSwim Club SC CBA
37
Gabriel
Wang
1:29.39
13
B: 1:14.69 (+14.70s | 16.4%)
Alto Swim Club
03/26/2022
Alto Rock The Blocks Invitational
50 Breast
41.88
41.88
100 Breast
47.51
1:29.39
100 Breast
1:29.39
38
ALLEN
WU
1:33.42
12
B: 1:14.69 (+18.73s | 20.0%)
Alto Swim Club
01/11/2020
South San Francisco C/B/A+
39
Kevin
Lau
1:35.12
12
B: 1:14.69 (+20.43s | 21.5%)
Alto Swim Club
05/01/2021
Alto Swim Club Meet
50 Breast
44.92
44.92
100 Breast
50.20
1:35.12
100 Breast
1:35.12
40
STANLEY
LING
1:36.53
11
B: 1:14.69 (+21.84s | 22.6%)
Alto Swim Club
01/11/2020
South San Francisco C/B/A+
41
Nicholas
Keng
1:40.61
17
B: 1:14.69 (+25.92s | 25.8%)
Alto Swim Club
02/07/2026
Alto Feb 7 8 CBA Valentines Day
50 Breast
46.10
46.10
100 Breast
54.51
1:40.61
100 Breast
1:40.61
42
SANGEET
SATPATHY
1:43.76
11
B: 1:14.69 (+29.07s | 28.0%)
Alto Swim Club
01/12/2019
South San Francisco Aquatic Club C/B/A+
43
Jiazhi
Chen
1:44.97
14
B: 1:14.69 (+30.28s | 28.8%)
Alto Swim Club
11/13/2021
ALTO Swim Club C B A+
50 Breast
45.73
45.73
100 Breast
59.24
1:44.97
100 Breast
1:44.97
44
KEVIN
PORTER
2:08.54
9
B: 1:14.69 (+53.85s | 41.9%)
Alto Swim Club
01/12/2019
South San Francisco Aquatic Club C/B/A+
45
NATHAN
CHOI
2:15.02
10
B: 1:14.69 (+60.33s | 44.7%)
Alto Swim Club
01/12/2019
South San Francisco Aquatic Club C/B/A+