1
Tyler
Douglas
53.32
14
AAAA Min
Rancho San Dieguito
02/26/2026
2026 SI CA NV Speedo Sectionals Oceanside
50 Back
25.95
25.95
100 Back
27.37
53.32
100 Back
53.32
2
Kevin
Zheng
55.16
14
AAA Min
AAAA: 53.49 (+1.67s | 3.0%)
Rancho San Dieguito
02/13/2026
2026 SI Presidents Day Senior Classic Copi
50 Back
26.76
26.76
100 Back
28.40
55.16
100 Back
55.16
3
Alexander
Chen
57.89
14
AA Min
AAA: 55.99 (+1.90s | 3.3%)
Rancho San Dieguito
12/19/2025
2025 SI Winter Age Group Championships
50 Back
28.14
28.14
100 Back
29.75
57.89
100 Back
57.89
4
Peter
Yuan
1:00.61
13
A Min
AA: 58.59 (+2.02s | 3.3%)
Rancho San Dieguito
03/06/2026
2026 SI 14U AGE GRP CHAMPIONSHIPS
50 Back
29.29
29.29
100 Back
31.32
1:00.61
100 Back
1:00.61
5
Liam
Gelberg
1:04.17
13
BB Min
A: 1:01.09 (+3.08s | 4.8%)
Rancho San Dieguito
12/19/2025
2025 SI Winter Age Group Championships
50 Back
31.16
31.16
100 Back
33.01
1:04.17
100 Back
1:04.17
6
Vincent
Han
1:06.28
13
B Min
BB: 1:06.19 (+0.09s | 0.1%)
Rancho San Dieguito
10/11/2025
2025 SI RSD All Ages B C Meet
50 Back
31.34
31.34
100 Back
34.94
1:06.28
100 Back
1:06.28
7
Reid
Foster
1:06.35
14
B Min
BB: 1:06.19 (+0.16s | 0.2%)
Rancho San Dieguito
03/21/2026
2026 SI CAST All Ages NTS Meet South
8
Bennett
Marinovich
1:07.05
14
B Min
BB: 1:06.19 (+0.86s | 1.3%)
Rancho San Dieguito
01/31/2026
2026 SBA All Ages NTS Meet
50 Back
32.60
32.60
100 Back
34.45
1:07.05
100 Back
1:07.05
9
Frank
Guo
1:08.24
13
B Min
BB: 1:06.19 (+2.05s | 3.0%)
Rancho San Dieguito
02/21/2026
2026 SI JBST Age Group Champs Max
50 Back
33.50
33.50
100 Back
34.74
1:08.24
100 Back
1:08.24
10
Jaxson
Dufresne
1:09.76
13
B Min
BB: 1:06.19 (+3.57s | 5.1%)
Rancho San Dieguito
10/11/2025
2025 SI RSD All Ages B C Meet
50 Back
33.64
33.64
100 Back
36.12
1:09.76
100 Back
1:09.76
11
Grant
Vaccaro
1:09.83
14
B Min
BB: 1:06.19 (+3.64s | 5.2%)
Rancho San Dieguito
02/21/2026
2026 SI JBST Age Group Champs Max
50 Back
34.24
34.24
100 Back
35.59
1:09.83
100 Back
1:09.83
12
Nehru
Soper
1:10.52
13
B Min
BB: 1:06.19 (+4.33s | 6.1%)
Rancho San Dieguito
03/21/2026
2026 SI CAST All Ages NTS Meet South
13
Leonard
Yu
1:10.86
13
B Min
BB: 1:06.19 (+4.67s | 6.6%)
Rancho San Dieguito
02/21/2026
2026 SI JBST Age Group Champs Max
50 Back
34.53
34.53
100 Back
36.33
1:10.86
100 Back
1:10.86
14
Edward
Farber
1:10.90
14
B Min
BB: 1:06.19 (+4.71s | 6.6%)
Rancho San Dieguito
02/07/2025
2025 SI SBA All Ages NTS Meet Feb 7 9
50 Back
34.52
34.52
100 Back
36.38
1:10.90
100 Back
1:10.90
15
Orin
Marsini
1:11.07
13
B Min
BB: 1:06.19 (+4.88s | 6.9%)
Rancho San Dieguito
01/31/2026
2026 SBA All Ages NTS Meet
50 Back
34.47
34.47
100 Back
36.60
1:11.07
100 Back
1:11.07
16
Ariya
Saberi
1:11.93
13
B: 1:11.29 (+0.64s | 0.9%)
Rancho San Dieguito
01/31/2026
2026 SBA All Ages NTS Meet
50 Back
33.65
33.65
100 Back
38.28
1:11.93
100 Back
1:11.93
17
Yimo
Liu
1:12.70
13
B: 1:11.29 (+1.41s | 1.9%)
Rancho San Dieguito
01/31/2026
2026 SBA All Ages NTS Meet
50 Back
36.43
36.43
100 Back
36.27
1:12.70
100 Back
1:12.70
18
Taisei
Suzuki
1:13.01
14
B: 1:11.29 (+1.72s | 2.4%)
Rancho San Dieguito
03/21/2026
2026 SI CAST All Ages NTS Meet South
19
Jackson
Jhang
1:13.31
14
B: 1:11.29 (+2.02s | 2.8%)
Rancho San Dieguito
06/07/2025
2025 SI JBST Splash Dash Max
50 Back
34.60
34.60
100 Back
38.71
1:13.31
100 Back
1:13.31
20
Michael
Lu
1:13.55
14
B: 1:11.29 (+2.26s | 3.1%)
Rancho San Dieguito
10/04/2025
2025 SI CAST Pentathlon 14 U Copied
21
Loren
Vieira
1:14.31
14
B: 1:11.29 (+3.02s | 4.1%)
Rancho San Dieguito
01/31/2026
2026 SBA All Ages NTS Meet
50 Back
35.48
35.48
100 Back
38.83
1:14.31
100 Back
1:14.31
22
Justin
Chang
1:14.61
13
B: 1:11.29 (+3.32s | 4.4%)
Rancho San Dieguito
10/11/2025
2025 SI RSD All Ages B C Meet
50 Back
35.45
35.45
100 Back
39.16
1:14.61
100 Back
1:14.61
23
Brandt
van Dillen
1:14.70
13
B: 1:11.29 (+3.41s | 4.6%)
Rancho San Dieguito
02/21/2026
2026 SI JBST Age Group Champs Max
50 Back
36.70
36.70
100 Back
38.00
1:14.70
100 Back
1:14.70
24
Myles
Schieber
1:14.80
14
B: 1:11.29 (+3.51s | 4.7%)
Rancho San Dieguito
03/15/2025
2025 SI JBST NTS All Ages
25
Inbar
Katuni Davis
1:15.32
13
B: 1:11.29 (+4.03s | 5.4%)
Rancho San Dieguito
06/07/2025
2025 SI JBST Splash Dash Max
50 Back
35.60
35.60
100 Back
39.72
1:15.32
100 Back
1:15.32
26
Ryan
Scanderbeg
1:15.55
13
B: 1:11.29 (+4.26s | 5.6%)
Rancho San Dieguito
01/31/2026
2026 SBA All Ages NTS Meet
50 Back
37.09
37.09
100 Back
38.46
1:15.55
100 Back
1:15.55
27
Luke
Bokhoven
1:15.96
14
B: 1:11.29 (+4.67s | 6.1%)
Rancho San Dieguito
10/11/2025
2025 SI RSD All Ages B C Meet
50 Back
36.64
36.64
100 Back
39.32
1:15.96
100 Back
1:15.96
28
Oliver
Tsai
1:16.66
13
B: 1:11.29 (+5.37s | 7.0%)
Rancho San Dieguito
10/11/2025
2025 SI RSD All Ages B C Meet
29
Samesh
Wurth
1:16.95
13
B: 1:11.29 (+5.66s | 7.4%)
Rancho San Dieguito
03/21/2026
2026 SI CAST All Ages NTS Meet South
30
Julian
Artis
1:17.49
14
B: 1:11.29 (+6.20s | 8.0%)
Rancho San Dieguito
12/06/2024
2024 SI SBA All Ages B WAG Max Meet
50 Back
37.34
37.34
100 Back
40.15
1:17.49
100 Back
1:17.49
31
Adam
Zhang
1:17.99
14
B: 1:11.29 (+6.70s | 8.6%)
Rancho San Dieguito
05/17/2025
2025 SI SBA NTS Meet
50 Back
38.61
38.61
100 Back
39.38
1:17.99
100 Back
1:17.99
32
Josh
Tswei
1:20.20
13
B: 1:11.29 (+8.91s | 11.1%)
Rancho San Dieguito
01/31/2026
2026 SBA All Ages NTS Meet
50 Back
38.57
38.57
100 Back
41.63
1:20.20
100 Back
1:20.20
33
Michael
Beierle
1:23.18
14
B: 1:11.29 (+11.89s | 14.3%)
Rancho San Dieguito
03/15/2025
2025 SI JBST NTS All Ages
34
Darren
Davidson
1:23.45
13
B: 1:11.29 (+12.16s | 14.6%)
Rancho San Dieguito
12/04/2025
2025 Holiday Swim Festival
50 Back
39.99
39.99
100 Back
43.46
1:23.45
100 Back
1:23.45
35
Carter
Sheffrey
1:25.15
13
B: 1:11.29 (+13.86s | 16.3%)
Rancho San Dieguito
01/31/2026
2026 SBA All Ages NTS Meet
50 Back
41.90
41.90
100 Back
43.25
1:25.15
100 Back
1:25.15
36
Ian
Ru
1:27.67
13
B: 1:11.29 (+16.38s | 18.7%)
Rancho San Dieguito
01/31/2026
2026 SBA All Ages NTS Meet
37
Jake
Frisch
1:29.97
13
B: 1:11.29 (+18.68s | 20.8%)
Rancho San Dieguito
03/21/2026
2026 SI CAST All Ages NTS Meet South
38
Shri
Ananthu
1:32.31
13
B: 1:11.29 (+21.02s | 22.8%)
Rancho San Dieguito
10/12/2024
2024 SI SBA All Ages B C Meet Oct 12 13
50 Back
43.61
43.61
100 Back
48.70
1:32.31
100 Back
1:32.31
39
Eoin
McCall
1:36.24
13
B: 1:11.29 (+24.95s | 25.9%)
Rancho San Dieguito
10/11/2025
2025 SI RSD All Ages B C Meet
50 Back
45.00
45.00
100 Back
51.24
1:36.24
100 Back
1:36.24
40
Neil
Krishnan
1:38.95
13
B: 1:11.29 (+27.66s | 28.0%)
Rancho San Dieguito
02/21/2026
2026 SI JBST Age Group Champs Max
50 Back
48.14
48.14
100 Back
50.81
1:38.95
100 Back
1:38.95
41
Leonardo
Do
1:43.98
13
B: 1:11.29 (+32.69s | 31.4%)
Rancho San Dieguito
10/12/2024
2024 SI SBA All Ages B C Meet Oct 12 13
50 Back
50.71
50.71
100 Back
53.27
1:43.98
100 Back
1:43.98
42
Skyler
Yu
1:45.17
13
B: 1:11.29 (+33.88s | 32.2%)
Rancho San Dieguito
01/18/2025
2025 SI RSD All Ages NTS
50 Back
50.76
50.76
100 Back
54.41
1:45.17
100 Back
1:45.17
43
Vihaan
Vemareddy
1:49.56
13
B: 1:11.29 (+38.27s | 34.9%)
Rancho San Dieguito
11/08/2025
2025 SI SDSA All Ages NTS Meet
50 Back
53.59
53.59
100 Back
55.97
1:49.56
100 Back
1:49.56