51
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
52
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
53
Jeffrey
Chen
1:10.26
13
B Min
BB: 1:06.19 (+4.07s | 5.8%)
Rancho Family YMCA
01/31/2026
2026 SBA All Ages NTS Meet
50 Back
32.87
32.87
100 Back
37.39
1:10.26
100 Back
1:10.26
54
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
55
David
Gough
1:10.64
14
B Min
BB: 1:06.19 (+4.45s | 6.3%)
Manta Ray Aquatics
01/31/2026
2026 Winter Open
25 Back
17.01
17.01
50 Back
17.61
34.62
50 Back
34.62
75 Back
18.26
52.88
100 Back
17.76
1:10.64
50 Back
36.02
56
Cassius
Tolentino
1:10.71
13
B Min
BB: 1:06.19 (+4.52s | 6.4%)
Mission Valley YMCA
02/21/2026
2026 SI MRA Age Group Champs Max Meet
57
Bentley
Nooris
1:10.84
13
B Min
BB: 1:06.19 (+4.65s | 6.6%)
Pacific Swim
02/21/2026
2026 SI MRA Age Group Champs Max Meet
50 Back
34.46
34.46
100 Back
36.38
1:10.84
100 Back
1:10.84
58
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
59
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
60
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
61
Daniil
Rezvov
1:11.20
14
B Min
BB: 1:06.19 (+5.01s | 7.0%)
McGrath Marlins Swim Team
01/31/2026
2026 SBA All Ages NTS Meet
50 Back
35.16
35.16
100 Back
36.04
1:11.20
100 Back
1:11.20
62
Samuel
Schaeffer
1:11.43
14
B: 1:11.29 (+0.14s | 0.2%)
McGrath Marlins Swim Team
01/31/2026
2026 SBA All Ages NTS Meet
50 Back
35.44
35.44
100 Back
35.99
1:11.43
100 Back
1:11.43
63
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
64
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
65
Charles
Capp
1:12.78
13
B: 1:11.29 (+1.49s | 2.0%)
Pacific Swim
12/04/2025
2025 Holiday Swim Festival
50 Back
34.86
34.86
100 Back
37.92
1:12.78
100 Back
1:12.78
66
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
67
Mark
Viljoen
1:13.01
13
B: 1:11.29 (+1.72s | 2.4%)
Bay Club Aquatics
12/13/2024
2024 CA GWSC SCS WAG
50 Back
35.59
35.59
100 Back
37.42
1:13.01
100 Back
1:13.01
68
Jackson
Dils
1:13.24
14
B: 1:11.29 (+1.95s | 2.7%)
South Bay Aquatics
10/05/2024
2024 SI CAST Pentathlon 14 U
50 Back
36.40
36.40
100 Back
36.84
1:13.24
100 Back
1:13.24
69
Brandon
Pham
1:13.28
14
B: 1:11.29 (+1.99s | 2.7%)
McGrath Marlins Swim Team
02/21/2026
2026 SI MRA Age Group Champs Max Meet
50 Back
35.47
35.47
100 Back
37.81
1:13.28
100 Back
1:13.28
70
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
71
Conner
Flanagan
1:13.35
14
B: 1:11.29 (+2.06s | 2.8%)
North Coast Aquatics
05/17/2025
2025 SI SBA NTS Meet
50 Back
36.30
36.30
100 Back
37.05
1:13.35
100 Back
1:13.35
72
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
73
Caleb
Jensen
1:13.66
14
B: 1:11.29 (+2.37s | 3.2%)
McGrath Marlins Swim Team
02/21/2026
2026 SI MRA Age Group Champs Max Meet
50 Back
34.43
34.43
100 Back
39.23
1:13.66
100 Back
1:13.66
74
Ziyang
Zhou
1:13.69
14
B: 1:11.29 (+2.40s | 3.3%)
Coronado Swim -team Elite
02/21/2026
2026 SI MRA Age Group Champs Max Meet
50 Back
35.11
35.11
100 Back
38.58
1:13.69
100 Back
1:13.69
75
Trevor
Forrest
1:13.74
14
B: 1:11.29 (+2.45s | 3.3%)
Jbarracudas Swim Team
11/08/2025
2025 SI SDSA All Ages NTS Meet
50 Back
35.76
35.76
100 Back
37.98
1:13.74
100 Back
1:13.74
76
Jack
Morgan
1:13.78
14
B: 1:11.29 (+2.49s | 3.4%)
North Coast Aquatics
06/07/2025
2025 SI JBST Splash Dash Max
50 Back
35.14
35.14
100 Back
38.64
1:13.78
100 Back
1:13.78
77
Janssen
Bernales
1:14.18
14
B: 1:11.29 (+2.89s | 3.9%)
SOL Swim Team
01/31/2026
2026 SBA All Ages NTS Meet
50 Back
35.54
35.54
100 Back
38.64
1:14.18
100 Back
1:14.18
78
Khoa
Nong
1:14.30
14
B: 1:11.29 (+3.01s | 4.1%)
Mission Valley YMCA
01/10/2026
2026 SI BAY 14U Rising Stars 3
79
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
80
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
81
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
82
Derek
Li
1:14.80
14
B: 1:11.29 (+3.51s | 4.7%)
Pacific Swim
01/31/2026
2026 SBA All Ages NTS Meet
50 Back
36.55
36.55
100 Back
38.25
1:14.80
100 Back
1:14.80
83
Kaison
Moeller
1:14.80
13
B: 1:11.29 (+3.51s | 4.7%)
North Coast Aquatics
02/21/2026
2026 SI MRA Age Group Champs Max Meet
50 Back
36.12
36.12
100 Back
38.68
1:14.80
100 Back
1:14.80
84
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
85
Josiah
Sihapong
1:14.93
13
B: 1:11.29 (+3.64s | 4.9%)
Jbarracudas Swim Team
06/07/2025
2025 SI JBST Splash Dash Max
50 Back
36.05
36.05
100 Back
38.88
1:14.93
100 Back
1:14.93
86
Roman
Montano
1:15.11
13
B: 1:11.29 (+3.82s | 5.1%)
Jbarracudas Swim Team
10/24/2025
2025 SI JBST ALL AGES A BB MEET
50 Back
36.71
36.71
100 Back
38.40
1:15.11
100 Back
1:15.11
87
Jason
Wei
1:15.21
14
B: 1:11.29 (+3.92s | 5.2%)
Pacific Swim
06/07/2025
2025 SI SBA Splash Dash Max Meet
50 Back
37.01
37.01
100 Back
38.20
1:15.21
100 Back
1:15.21
88
Austin
Nguyen
1:15.22
13
B: 1:11.29 (+3.93s | 5.2%)
Inland Coastal Aquatic Club
01/18/2025
2025 SI RSD All Ages NTS
50 Back
35.90
35.90
100 Back
39.32
1:15.22
100 Back
1:15.22
89
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
90
Andrew
Bedsole
1:15.45
14
B: 1:11.29 (+4.16s | 5.5%)
Pacific Swim
01/31/2026
2026 SBA All Ages NTS Meet
50 Back
37.95
37.95
100 Back
37.50
1:15.45
100 Back
1:15.45
91
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
92
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
93
Sebastian
Keychenko
1:16.03
14
B: 1:11.29 (+4.74s | 6.2%)
Jbarracudas Swim Team
02/07/2025
2025 SI SBA All Ages NTS Meet Feb 7 9
50 Back
37.69
37.69
100 Back
38.34
1:16.03
100 Back
1:16.03
94
Jedidiah
Winn
1:16.48
13
B: 1:11.29 (+5.19s | 6.8%)
Cali Piranha Swim Team
02/21/2026
2026 SI JBST Age Group Champs Max
50 Back
36.96
36.96
100 Back
39.52
1:16.48
100 Back
1:16.48
95
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
96
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
97
Rory
Colombel
1:17.43
13
B: 1:11.29 (+6.14s | 7.9%)
Bsa
12/13/2025
2025 SI CAST 14U Rising Stars 2
98
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
99
Asher
Conant
1:17.55
13
B: 1:11.29 (+6.26s | 8.1%)
Cali Piranha Swim Team
06/07/2025
2025 SI JBST Splash Dash Max
50 Back
37.95
37.95
100 Back
39.60
1:17.55
100 Back
1:17.55
100
Phillip
Kye
1:17.90
13
B: 1:11.29 (+6.61s | 8.5%)
Pacific Swim
10/24/2025
2025 SI JBST ALL AGES A BB MEET
50 Back
36.90
36.90
100 Back
41.00
1:17.90
100 Back
1:17.90