151
Tomasz
Czajkowski
4:43.56
17
BB Min
A: 4:31.99 (+11.57s | 4.1%)
Palo Alto Stanford Aquatics
11/11/2023
2023 PASA Grand Tour Meet
50 Fly
27.70
27.70
100 Fly
33.23
1:00.93
100 Fly
1:00.93
150 Back
38.80
1:39.73
200 Back
37.87
2:17.60
100 Back
1:16.67
250 Breast
40.99
2:58.59
300 Breast
41.44
3:40.03
100 Breast
1:22.43
350 Free
32.35
4:12.38
400 Free
31.18
4:43.56
100 Free
1:03.53
152
Colin
Brennan
4:43.78
17
BB Min
A: 4:31.99 (+11.79s | 4.2%)
Quicksilver Swimming
01/24/2025
2025 Brian Malick Memorial Z1S Championships
153
Jaden
Khan
4:43.85
16
BB Min
A: 4:31.99 (+11.86s | 4.2%)
Monterey Bay Swim Club
03/10/2023
2023 Spring Age Group Championships SCSC
50 Fly
30.89
30.89
100 Fly
35.31
1:06.20
100 Fly
1:06.20
150 Back
37.12
1:43.32
200 Back
36.42
2:19.74
100 Back
1:13.54
250 Breast
42.73
3:02.47
300 Breast
42.82
3:45.29
100 Breast
1:25.55
350 Free
30.70
4:15.99
400 Free
27.86
4:43.85
100 Free
58.56
154
Moore
LI
4:44.22
17
BB Min
A: 4:31.99 (+12.23s | 4.3%)
Quicksilver Swimming
10/28/2022
2022 QSS TIDE Spooktacular
50 Fly
30.69
30.69
100 Fly
34.95
1:05.64
100 Fly
1:05.64
150 Back
36.08
1:41.72
200 Back
33.52
2:15.24
100 Back
1:09.60
250 Breast
42.96
2:58.20
300 Breast
44.09
3:42.29
100 Breast
1:27.05
350 Free
31.03
4:13.32
400 Free
30.90
4:44.22
100 Free
1:01.93
155
Mario
Ferrante
4:44.26
17
BB Min
A: 4:31.99 (+12.27s | 4.3%)
Palo Alto Stanford Aquatics
10/25/2025
TYR BAC SPOOKY FALL CLASSIC
50 Fly
29.82
29.82
100 Fly
33.78
1:03.60
100 Fly
1:03.60
150 Back
37.44
1:41.04
200 Back
36.57
2:17.61
100 Back
1:14.01
250 Breast
42.65
3:00.26
300 Breast
42.08
3:42.34
100 Breast
1:24.73
350 Free
31.49
4:13.83
400 Free
30.43
4:44.26
100 Free
1:01.92
156
Jordan
Yen
4:44.31
17
BB Min
A: 4:31.99 (+12.32s | 4.3%)
DeAnza Cupertino Aquatics
02/02/2024
DACA SC C B A+ Meet
157
Hongyu
Lin
4:45.22
18
BB Min
A: 4:31.99 (+13.23s | 4.6%)
Palo Alto Stanford Aquatics
02/12/2022
2022 PASA Grand Tour
50 Fly
30.01
30.01
100 Fly
34.58
1:04.59
100 Fly
1:04.59
150 Back
37.05
1:41.64
200 Back
36.83
2:18.47
100 Back
1:13.88
250 Breast
40.82
2:59.29
300 Breast
41.17
3:40.46
100 Breast
1:21.99
350 Free
33.25
4:13.71
400 Free
31.51
4:45.22
100 Free
1:04.76
158
Chan
Na
4:45.28
17
BB Min
A: 4:31.99 (+13.29s | 4.7%)
Alto Swim Club
02/13/2026
34th Annual Lost Dutchman Invitational
159
Eason
Feng
4:45.37
18
BB Min
A: 4:31.99 (+13.38s | 4.7%)
Orinda Aquatics
01/22/2022
PC SC Senior Open
50 Fly
28.52
28.52
100 Fly
33.41
1:01.93
100 Fly
1:01.93
150 Back
37.93
1:39.86
200 Back
37.10
2:16.96
100 Back
1:15.03
250 Breast
39.49
2:56.45
300 Breast
40.88
3:37.33
100 Breast
1:20.37
350 Free
35.34
4:12.67
400 Free
32.70
4:45.37
100 Free
1:08.04
160
Barak
Yang
4:45.70
17
BB Min
A: 4:31.99 (+13.71s | 4.8%)
Santa Clara Swim Club
10/19/2024
Orinda Aquatics SCY Senior Open Meet
50 Fly
29.73
29.73
100 Fly
35.03
1:04.76
100 Fly
1:04.76
150 Back
37.59
1:42.35
200 Back
36.92
2:19.27
100 Back
1:14.51
250 Breast
39.00
2:58.27
300 Breast
40.31
3:38.58
100 Breast
1:19.31
350 Free
34.66
4:13.24
400 Free
32.46
4:45.70
100 Free
1:07.12
161
Jiachen
Huo
4:46.09
16
BB Min
A: 4:31.99 (+14.10s | 4.9%)
Burlingame Aquatics
02/16/2024
SRN 14 UN Invitational
162
Lucas
Zhou
4:46.10
17
BB Min
A: 4:31.99 (+14.11s | 4.9%)
Albany Armada Aquatics
11/08/2025
Albany Armada Aquatics C B BB+ Meet
163
Marcus
McMichael
4:46.26
17
BB Min
A: 4:31.99 (+14.27s | 5.0%)
Pacifica Sea Lions
10/25/2025
TYR BAC SPOOKY FALL CLASSIC
50 Fly
28.99
28.99
100 Fly
33.36
1:02.35
100 Fly
1:02.35
150 Back
37.49
1:39.84
200 Back
38.15
2:17.99
100 Back
1:15.64
250 Breast
40.15
2:58.14
300 Breast
41.85
3:39.99
100 Breast
1:22.00
350 Free
33.64
4:13.63
400 Free
32.63
4:46.26
100 Free
1:06.27
164
Hayden
Jane
4:46.68
17
BB Min
A: 4:31.99 (+14.69s | 5.1%)
Unattached
03/22/2024
2024 Milpitas Aquatic Club SC CBA+ Meet
165
Hezrai
Horvath
4:47.00
16
BB Min
A: 4:31.99 (+15.01s | 5.2%)
Seaside Aquatic Club
10/04/2024
SCSC Pacific Swimming Short Cours C B A+ Meet
166
John
Lee
4:47.17
18
BB Min
A: 4:31.99 (+15.18s | 5.3%)
Aptos Cabrillo Swim Club
11/23/2024
Terrapins SC Senior Open Meet
50 Fly
30.57
30.57
100 Fly
35.47
1:06.04
100 Fly
1:06.04
150 Back
37.93
1:43.97
200 Back
39.10
2:23.07
100 Back
1:17.03
250 Breast
39.19
3:02.26
300 Breast
41.38
3:43.64
100 Breast
1:20.57
350 Free
32.38
4:16.02
400 Free
31.15
4:47.17
100 Free
1:03.53
167
Eitan
Litsur
4:47.58
17
BB Min
A: 4:31.99 (+15.59s | 5.4%)
Ladera Oaks
02/24/2024
2024 PASA SC CBA Meet
168
Mateo
Sheriff
4:47.67
17
BB Min
A: 4:31.99 (+15.68s | 5.5%)
Unattached
03/09/2024
Pleasanton Seahawks SC Senior Open
50 Fly
30.47
30.47
100 Fly
36.56
1:07.03
100 Fly
1:07.03
150 Back
39.39
1:46.42
200 Back
37.62
2:24.04
100 Back
1:17.01
250 Breast
41.58
3:05.62
300 Breast
41.34
3:46.96
100 Breast
1:22.92
350 Free
31.31
4:18.27
400 Free
29.40
4:47.67
100 Free
1:00.71
169
Jared
Chang
4:47.81
18
BB Min
A: 4:31.99 (+15.82s | 5.5%)
Unattached
02/04/2023
2023Tiger Aquatics C B BB+
170
Jacob
Sullivan
4:47.94
18
BB Min
A: 4:31.99 (+15.95s | 5.5%)
Neptune Swimming
10/06/2023
Neptune Swimming Fall Classic
50 Fly
30.42
30.42
100 Fly
36.23
1:06.65
100 Fly
1:06.65
150 Back
36.89
1:43.54
200 Back
36.08
2:19.62
100 Back
1:12.97
250 Breast
42.99
3:02.61
300 Breast
42.81
3:45.42
100 Breast
1:25.80
350 Free
31.85
4:17.27
400 Free
30.67
4:47.94
100 Free
1:02.52
171
Om
Patel
4:48.08
18
BB Min
A: 4:31.99 (+16.09s | 5.6%)
San Ramon Valley Aquatics
11/23/2024
Terrapins SC Senior Open Meet
50 Fly
29.98
29.98
100 Fly
35.13
1:05.11
100 Fly
1:05.11
150 Back
38.93
1:44.04
200 Back
37.90
2:21.94
100 Back
1:16.83
250 Breast
40.72
3:02.66
300 Breast
40.85
3:43.51
100 Breast
1:21.57
350 Free
32.77
4:16.28
400 Free
31.80
4:48.08
100 Free
1:04.57
172
Jose
Becerra
4:48.18
17
BB Min
A: 4:31.99 (+16.19s | 5.6%)
Neptune Swimming
07/26/2025
2025 REAL Championships
50 Fly
3:47.19
3:47.19
50 Fly
3:47.19
100 Back
30.34
4:17.53
50 Back
30.34
150 Breast
30.65
4:48.18
50 Breast
30.65
173
Ian
Farley
4:49.21
18
BB Min
A: 4:31.99 (+17.22s | 6.0%)
Neptune Swimming
08/04/2023
2023 REAL Championships
50 Fly
29.16
29.16
100 Fly
1:48.68
2:17.84
100 Fly
2:17.84
150 Back
42.32
3:00.16
200 Back
44.06
3:44.22
100 Back
1:26.38
350 Free
32.95
4:17.17
400 Free
32.04
4:49.21
100 Free
1:04.99
174
Nico
Van Der Meer
4:50.37
17
BB Min
A: 4:31.99 (+18.38s | 6.3%)
Aptos Cabrillo Swim Club
10/21/2023
OAPB SC Senior Open 102123102223
50 Fly
31.63
31.63
100 Fly
36.93
1:08.56
100 Fly
1:08.56
150 Back
35.30
1:43.86
200 Back
36.90
2:20.76
100 Back
1:12.20
250 Breast
43.75
3:04.51
300 Breast
43.79
3:48.30
100 Breast
1:27.54
350 Free
31.91
4:20.21
400 Free
30.16
4:50.37
100 Free
1:02.07
175
Emerson
Lee
4:50.92
17
BB Min
A: 4:31.99 (+18.93s | 6.5%)
Unattached
09/27/2024
Neptune Swimming Fall Classic
50 Fly
30.78
30.78
100 Fly
36.25
1:07.03
100 Fly
1:07.03
150 Back
36.92
1:43.95
200 Back
36.46
2:20.41
100 Back
1:13.38
250 Breast
39.16
2:59.57
300 Breast
41.92
3:41.49
100 Breast
1:21.08
350 Free
37.17
4:18.66
400 Free
32.26
4:50.92
100 Free
1:09.43
176
Asher
Ding
4:51.05
17
BB Min
A: 4:31.99 (+19.06s | 6.5%)
Pleasanton Seahawks
01/28/2023
Orinda Aquatics PC SC SR Open 12823 12923
50 Fly
28.36
28.36
100 Fly
32.91
1:01.27
100 Fly
1:01.27
150 Back
42.86
1:44.13
200 Back
42.16
2:26.29
100 Back
1:25.02
250 Breast
37.80
3:04.09
300 Breast
39.78
3:43.87
100 Breast
1:17.58
350 Free
35.72
4:19.59
400 Free
31.46
4:51.05
100 Free
1:07.18
177
Ethan
HE
4:51.28
17
BB Min
A: 4:31.99 (+19.29s | 6.6%)
Quicksilver Swimming
10/21/2023
OAPB SC Senior Open 102123102223
50 Fly
33.07
33.07
100 Fly
36.03
1:09.10
100 Fly
1:09.10
150 Back
38.35
1:47.45
200 Back
37.58
2:25.03
100 Back
1:15.93
250 Breast
39.67
3:04.70
300 Breast
41.39
3:46.09
100 Breast
1:21.06
350 Free
33.47
4:19.56
400 Free
31.72
4:51.28
100 Free
1:05.19
178
Victor
Talankin
4:51.99
17
BB Min
A: 4:31.99 (+20.00s | 6.8%)
South Valley Makos
11/15/2024
MBSC GSMY Z1S Race To AGC C B A+
50 Fly
29.83
29.83
100 Fly
36.21
1:06.04
100 Fly
1:06.04
150 Back
37.12
1:43.16
200 Back
37.71
2:20.87
100 Back
1:14.83
250 Breast
43.59
3:04.46
300 Breast
44.27
3:48.73
100 Breast
1:27.86
350 Free
32.08
4:20.81
400 Free
31.18
4:51.99
100 Free
1:03.26
179
Phillip
LU
4:52.26
17
BB Min
A: 4:31.99 (+20.27s | 6.9%)
California Dolphins Swim Team
10/21/2023
OAPB SC Senior Open 102123102223
50 Fly
30.57
30.57
100 Fly
36.95
1:07.52
100 Fly
1:07.52
150 Back
39.22
1:46.74
200 Back
37.86
2:24.60
100 Back
1:17.08
250 Breast
41.20
3:05.80
300 Breast
41.99
3:47.79
100 Breast
1:23.19
350 Free
33.31
4:21.10
400 Free
31.16
4:52.26
100 Free
1:04.47
180
Hayden
Floyd
4:52.27
16
BB Min
A: 4:31.99 (+20.28s | 6.9%)
Santa Clara Swim Club
01/14/2023
CAL Invitational Swim Meet
50 Fly
28.90
28.90
100 Fly
34.02
1:02.92
100 Fly
1:02.92
150 Back
38.84
1:41.76
200 Back
37.94
2:19.70
100 Back
1:16.78
250 Breast
42.30
3:02.00
300 Breast
44.31
3:46.31
100 Breast
1:26.61
350 Free
33.57
4:19.88
400 Free
32.39
4:52.27
100 Free
1:05.96
181
Nathan
Judy
4:52.86
18
BB Min
A: 4:31.99 (+20.87s | 7.1%)
Piedmont Swim Team
07/15/2022
RESL Championship SC Meet
50 Fly
28.76
28.76
100 Fly
35.54
1:04.30
100 Fly
1:04.30
150 Back
38.30
1:42.60
200 Back
36.56
2:19.16
100 Back
1:14.86
250 Breast
44.71
3:03.87
300 Breast
43.95
3:47.82
100 Breast
1:28.66
350 Free
33.72
4:21.54
400 Free
31.32
4:52.86
100 Free
1:05.04
182
Ethan
Chang
4:52.94
16
BB Min
A: 4:31.99 (+20.95s | 7.2%)
San Ramon Valley Aquatics
11/12/2022
Albany Armada Aquatics
183
Gavin
HO
4:53.07
17
BB Min
A: 4:31.99 (+21.08s | 7.2%)
Alto Swim Club
01/14/2023
CAL Invitational Swim Meet
50 Fly
30.04
30.04
100 Fly
35.91
1:05.95
100 Fly
1:05.95
150 Back
38.19
1:44.14
200 Back
37.47
2:21.61
100 Back
1:15.66
250 Breast
43.28
3:04.89
300 Breast
41.93
3:46.82
100 Breast
1:25.21
350 Free
33.75
4:20.57
400 Free
32.50
4:53.07
100 Free
1:06.25
184
Easton
Adams
4:54.29
18
BB Min
A: 4:31.99 (+22.30s | 7.6%)
Unattached
01/16/2025
2025 OA Winter Blast
50 Fly
28.90
28.90
100 Fly
35.52
1:04.42
100 Fly
1:04.42
150 Back
36.72
1:41.14
200 Back
35.09
2:16.23
100 Back
1:11.81
250 Breast
47.58
3:03.82
300 Breast
45.33
3:49.15
100 Breast
1:32.91
350 Free
32.94
4:22.09
400 Free
32.20
4:54.29
100 Free
1:05.14
185
Joaquin
Recinos
4:54.44
18
BB Min
A: 4:31.99 (+22.45s | 7.6%)
Tiger Aquatics
01/13/2024
2024 Tiger Aquatics C B BB+
186
Zander
Phelan
4:55.15
16
B Min
BB: 4:54.69 (+0.46s | 0.2%)
Alto Swim Club
02/01/2025
Alto Swim Club Valentine Classic
50 Fly
32.04
32.04
100 Fly
37.69
1:09.73
100 Fly
1:09.73
150 Back
39.24
1:48.97
200 Back
38.45
2:27.42
100 Back
1:17.69
250 Breast
43.77
3:11.19
300 Breast
43.60
3:54.79
100 Breast
1:27.37
350 Free
31.88
4:26.67
400 Free
28.48
4:55.15
100 Free
1:00.36
187
James
Tong
4:55.35
17
B Min
BB: 4:54.69 (+0.66s | 0.2%)
Quicksilver Swimming
02/15/2025
2025 Pacific Swimming SC Senior Open T F
50 Fly
29.51
29.51
100 Fly
34.59
1:04.10
100 Fly
1:04.10
150 Back
39.67
1:43.77
200 Back
38.47
2:22.24
100 Back
1:18.14
250 Breast
40.19
3:02.43
300 Breast
40.91
3:43.34
100 Breast
1:21.10
350 Free
36.48
4:19.82
400 Free
35.53
4:55.35
100 Free
1:12.01
188
Justin
Cheong
4:55.60
16
B Min
BB: 4:54.69 (+0.91s | 0.3%)
Palo Alto Stanford Aquatics
11/23/2024
2024 PASA Grand Tour Meet
50 Fly
30.75
30.75
100 Fly
36.13
1:06.88
100 Fly
1:06.88
150 Back
38.05
1:44.93
200 Back
37.91
2:22.84
100 Back
1:15.96
250 Breast
44.12
3:06.96
300 Breast
41.66
3:48.62
100 Breast
1:25.78
350 Free
34.52
4:23.14
400 Free
32.46
4:55.60
100 Free
1:06.98
189
Rolando
Salazar
4:55.70
17
B Min
BB: 4:54.69 (+1.01s | 0.3%)
Alto Swim Club
02/01/2025
Alto Swim Club Valentine Classic
50 Fly
29.97
29.97
100 Fly
36.19
1:06.16
100 Fly
1:06.16
150 Back
40.26
1:46.42
200 Back
39.13
2:25.55
100 Back
1:19.39
250 Breast
44.46
3:10.01
300 Breast
44.06
3:54.07
100 Breast
1:28.52
350 Free
31.69
4:25.76
400 Free
29.94
4:55.70
100 Free
1:01.63
190
George
Seftel
4:55.90
17
B Min
BB: 4:54.69 (+1.21s | 0.4%)
Daly City Dolphins
12/09/2023
DCD Winter Holiday Splash CBA+ Meet
191
Andrew
Tanimura
4:56.01
17
B Min
BB: 4:54.69 (+1.32s | 0.4%)
Walnut Creek Aquabears
02/25/2023
CROW 14 UN JO Last Chance
192
Joseph
Hu
4:56.16
17
B Min
BB: 4:54.69 (+1.47s | 0.5%)
Quicksilver Swimming
02/15/2025
2025 Pacific Swimming SC Senior Open T F
50 Fly
29.19
29.19
100 Fly
33.28
1:02.47
100 Fly
1:02.47
150 Back
38.44
1:40.91
200 Back
37.28
2:18.19
100 Back
1:15.72
250 Breast
43.54
3:01.73
300 Breast
43.46
3:45.19
100 Breast
1:27.00
350 Free
35.89
4:21.08
400 Free
35.08
4:56.16
100 Free
1:10.97
193
Aiden
Wong
4:56.55
17
B Min
BB: 4:54.69 (+1.86s | 0.6%)
Pacifica Sea Lions
12/16/2023
Alto Holiday Invitational Dec 16 17
50 Fly
31.80
31.80
100 Fly
37.63
1:09.43
100 Fly
1:09.43
150 Back
38.07
1:47.50
200 Back
37.67
2:25.17
100 Back
1:15.74
250 Breast
44.12
3:09.29
300 Breast
44.33
3:53.62
100 Breast
1:28.45
350 Free
32.19
4:25.81
400 Free
30.74
4:56.55
100 Free
1:02.93
194
Valentino
Li
4:56.73
17
B Min
BB: 4:54.69 (+2.04s | 0.7%)
Palo Alto Stanford Aquatics
11/23/2024
2024 PASA Grand Tour Meet
50 Fly
29.38
29.38
100 Fly
33.71
1:03.09
100 Fly
1:03.09
150 Back
40.59
1:43.68
200 Back
39.90
2:23.58
100 Back
1:20.49
250 Breast
41.51
3:05.09
300 Breast
41.63
3:46.72
100 Breast
1:23.14
350 Free
35.57
4:22.29
400 Free
34.44
4:56.73
100 Free
1:10.01
195
Peyton
Sanchez
4:57.17
17
B Min
BB: 4:54.69 (+2.48s | 0.8%)
Seaside Aquatic Club
10/04/2024
SCSC Pacific Swimming Short Cours C B A+ Meet
196
Leo
Degiovanni
4:57.46
17
B Min
BB: 4:54.69 (+2.77s | 0.9%)
Boys & Girls Club of SF
01/10/2026
SSF NEW YEAR SPLASH C B A+
197
Jack
Cameron
4:57.79
18
B Min
BB: 4:54.69 (+3.10s | 1.0%)
Quicksilver Swimming
01/28/2022
2022 Z1S Brian Malick Memorial Meet
198
Lukas
Soderberg
4:57.86
18
B Min
BB: 4:54.69 (+3.17s | 1.1%)
Hills Hurricane Swimming
07/18/2025
2025 Redwood Empire Swim League Championship
199
Magnus
Scheller
4:58.24
17
B Min
BB: 4:54.69 (+3.55s | 1.2%)
Neptune Swimming
09/27/2024
Neptune Swimming Fall Classic
50 Fly
29.42
29.42
100 Fly
34.70
1:04.12
100 Fly
1:04.12
150 Back
42.24
1:46.36
200 Back
39.23
2:25.59
100 Back
1:21.47
250 Breast
41.88
3:07.47
300 Breast
43.13
3:50.60
100 Breast
1:25.01
350 Free
35.04
4:25.64
400 Free
32.60
4:58.24
100 Free
1:07.64
200
Glendon
Liang
4:58.30
18
B Min
BB: 4:54.69 (+3.61s | 1.2%)
Santa Clara Swim Club
10/04/2024
SCSC Pacific Swimming Short Cours C B A+ Meet