New! ScoreMeUp is now available on the App Store. Download the iOS app →

USA Boys 10 & under - 100 M Back

These rankings show the swimmers' placement within the United States.
They are based on the swimmer's personal best, their current age category, and team; and are calculated from all the meets results.
For each swimmer, you can find the swimmer's ranking, their best time, the corresponding time standard, as well as how much faster the swimmer needs to be to reach the next level. The last columns provide information about the event they achieved this personal best.

Swimmer Rankings

Ranking Name Time Age Standard to Next Standard Team Date Meet
101 Zac Sonne 1:30.46 10 A Min AA: 1:28.19 (+2.27s | 2.5%) Indian River Aquatics 07/10/2025 2025 FL Summer Age Group Championships
50 Back
43.81
43.81
100 Back
46.65
1:30.46
100 Back
1:30.46
102 Jacob Liu 1:30.48 10 A Min AA: 1:28.19 (+2.29s | 2.5%) Trident Swim Club 07/24/2025 2025 CA SCS RAA Summer A G Champs
50 Back
43.94
43.94
100 Back
46.54
1:30.48
100 Back
1:30.48
103 Reid Kelly 1:30.59 9 A Min AA: 1:28.19 (+2.40s | 2.6%) Front Range Barracudas 07/25/2025 2025 CO CSI Age Group Championships
50 Back
43.85
43.85
100 Back
46.74
1:30.59
100 Back
1:30.59
104 Andrew Lin 1:30.63 10 A Min AA: 1:28.19 (+2.44s | 2.7%) Bellevue Club Swim Team 07/24/2025 2025 PN LC 12 U Championships
105 Kyle Wang 1:30.66 10 A Min AA: 1:28.19 (+2.47s | 2.7%) Freedom Aquatics 08/06/2025 2025 Summer Elite Showcase
50 Back
43.77
43.77
100 Back
46.89
1:30.66
100 Back
1:30.66
106 Landon Wang 1:30.66 10 A Min AA: 1:28.19 (+2.47s | 2.7%) Seattle Metropolitan Aquatic C 07/24/2025 2025 PN LC 12 U Championships
107 Johann Gomez Ugalde 1:30.69 10 A Min AA: 1:28.19 (+2.50s | 2.8%) Southwest Stars Swim Club 06/12/2025 2025 RAFC Summer Solstice
50 Back
43.71
43.71
100 Back
46.98
1:30.69
100 Back
1:30.69
108 Wu Zhou 1:30.76 10 A Min AA: 1:28.19 (+2.57s | 2.8%) Arcadia Riptides Swim Club 06/12/2025 2025 SCS June AG Invite @ La Mirada Armada
109 Jaden Shin 1:30.81 10 A Min AA: 1:28.19 (+2.62s | 2.9%) South Snohomish Co Dolphins 07/24/2025 2025 PN LC 12 U Championships
110 Gavin Mahrous 1:31.09 9 A Min AA: 1:28.19 (+2.90s | 3.2%) Sioux Falls Swim Team 05/09/2025 2025 SD SFST Ready For Long Course
50 Back
43.94
43.94
100 Back
47.15
1:31.09
100 Back
1:31.09
111 Lukas Bell 1:31.21 10 A Min AA: 1:28.19 (+3.02s | 3.3%) SwimRVA 06/14/2024 SwimRVA Summer Invitational
50 Back
45.48
45.48
100 Back
45.73
1:31.21
100 Back
1:31.21
112 Marco Gonzalez 1:31.26 10 A Min AA: 1:28.19 (+3.07s | 3.4%) South Bay Aquatics 07/24/2025 2025 SI LC AG CHAMPS
113 Aiden Suffel 1:31.29 10 A Min AA: 1:28.19 (+3.10s | 3.4%) Lakeshore Swim Club 07/24/2025 2025 LE Age Group And Senior LC Championships
50 Back
44.86
44.86
100 Back
46.43
1:31.29
100 Back
1:31.29
114 Hamilton Rule 1:31.47 10 A Min AA: 1:28.19 (+3.28s | 3.6%) Unattached 08/06/2025 2025 Summer Elite Showcase
50 Back
45.00
45.00
100 Back
46.47
1:31.47
100 Back
1:31.47
115 Koku Saddawi-Banno 1:31.50 9 A Min AA: 1:28.19 (+3.31s | 3.6%) Jbarracudas Swim Team 06/20/2025 2025 SI SPLASH AND DASH
50 Back
43.07
43.07
100 Back
48.43
1:31.50
100 Back
1:31.50
116 Dash LeGrand 1:31.50 10 A Min AA: 1:28.19 (+3.31s | 3.6%) Gold\\\\\\'s Aquatics Club (Camas) 11/01/2025 Oregon City Fall Open 2025
50 Back
44.27
44.27
100 Back
47.23
1:31.50
100 Back
1:31.50
117 Isaac Chapman 1:31.54 10 A Min AA: 1:28.19 (+3.35s | 3.7%) SwimRVA 05/31/2024 2024 SwimRVA Success Bell
50 Back
45.84
45.84
100 Back
45.70
1:31.54
100 Back
1:31.54
118 Tripp Liberman 1:31.55 10 A Min AA: 1:28.19 (+3.36s | 3.7%) Rocky Mountain Rapids 07/25/2025 2025 CO CSI Age Group Championships
50 Back
44.84
44.84
100 Back
46.71
1:31.55
100 Back
1:31.55
119 Anders Hammond 1:31.58 10 A Min AA: 1:28.19 (+3.39s | 3.7%) Riptide Swim Team 05/16/2025 2025 CO ACES Spring Invite
120 Jerry Ji 1:31.58 10 A Min AA: 1:28.19 (+3.39s | 3.7%) Brea Aquatics 07/23/2025 2025 CA SCS Summer A G Champs
121 Eamon Balch 1:31.59 10 A Min AA: 1:28.19 (+3.40s | 3.7%) La Mirada Armada 07/23/2025 2025 CA SCS Summer A G Champs
122 Dalton Gonzalez 1:31.60 9 A Min AA: 1:28.19 (+3.41s | 3.7%) Nitro Swimming 06/27/2025 2025 ST HPAC Long Course STX Championship
50 Back
46.08
46.08
100 Back
45.52
1:31.60
100 Back
1:31.60
123 Phillippe Choi 1:31.70 10 A Min AA: 1:28.19 (+3.51s | 3.8%) Klg Sports Swim Team 07/24/2025 2025 CA SCS RAA Summer A G Champs
50 Back
43.69
43.69
100 Back
48.01
1:31.70
100 Back
1:31.70
124 Colt Sivells 1:31.76 10 A Min AA: 1:28.19 (+3.57s | 3.9%) Southwest Stars Swim Club 07/10/2025 2025 FL Summer Age Group Championships
50 Back
44.71
44.71
100 Back
47.05
1:31.76
100 Back
1:31.76
125 Luke Chai 1:31.79 9 A Min AA: 1:28.19 (+3.60s | 3.9%) Pleasanton Seahawks 06/07/2025 2025 06 07 CDST LC C B BB+ Meet
126 Thomas Sayer 1:31.91 10 A Min AA: 1:28.19 (+3.72s | 4.0%) Foxjets Swim Team 06/26/2025 2025 MN AQJT Aquajets Summer Spectacular
50 Back
45.24
45.24
100 Back
46.67
1:31.91
100 Back
1:31.91
127 Luka McGrath 1:32.04 10 A Min AA: 1:28.19 (+3.85s | 4.2%) Multnomah Athletic Club 07/12/2025 2025 OSI Arena Summer LC 10 U Championships
50 Back
46.06
46.06
100 Back
45.98
1:32.04
100 Back
1:32.04
128 Jason Feng 1:32.07 10 A Min AA: 1:28.19 (+3.88s | 4.2%) Boys & Girls Club of SF 06/27/2025 Silicon Valley LC CBA+ Meet
129 Mason Nguyen 1:32.17 10 A Min AA: 1:28.19 (+3.98s | 4.3%) Aquazot Swim Club 06/12/2025 2025 SCS June AG Invite @ La Mirada Armada
130 Dean Hunter 1:32.20 10 A Min AA: 1:28.19 (+4.01s | 4.3%) Sporting Jax Aquatic Club 07/10/2025 2025 FL Summer Age Group Championships
50 Back
45.03
45.03
100 Back
47.17
1:32.20
100 Back
1:32.20
131 Robert Richards 1:32.35 10 BB Min A: 1:32.29 (+0.06s | 0.1%) Bolles School Sharks 04/25/2025 14th Annual JAX50 Sprint Dual Challenge
50 Back
44.43
44.43
100 Back
47.92
1:32.35
100 Back
1:32.35
132 Ethan Kang 1:32.45 10 BB Min A: 1:32.29 (+0.16s | 0.2%) Santa Clara Swim Club 05/30/2025 SCSC Pacific Swimming Long Course Intrasquad
50 Back
45.63
45.63
100 Back
46.82
1:32.45
100 Back
1:32.45
133 Hawx Hansen 1:32.47 10 BB Min A: 1:32.29 (+0.18s | 0.2%) Wasatch Front Fish Market 07/17/2025 2025 UTAGS LC Championships
50 Back
45.71
45.71
100 Back
46.76
1:32.47
100 Back
1:32.47
134 Ashton Chen 1:32.70 10 BB Min A: 1:32.29 (+0.41s | 0.4%) Brea Aquatics 07/23/2025 2025 CA SCS Summer A G Champs
135 Rasmus Andrews 1:32.71 10 BB Min A: 1:32.29 (+0.42s | 0.5%) Unattached 08/06/2025 2025 Western Zone Age Group Championships
136 Liam Kwok 1:32.73 10 BB Min A: 1:32.29 (+0.44s | 0.5%) Socal Aquatics Association 06/12/2025 2025 CA SCS RAA June Age Group Championships
50 Back
44.99
44.99
100 Back
47.73
1:32.72
100 Back
1:32.72
137 Alex Tang 1:32.78 10 BB Min A: 1:32.29 (+0.49s | 0.5%) Wasc 07/25/2024 2024 CA SCS GWSC Summer A G Champs
50 Back
45.23
45.23
100 Back
47.55
1:32.78
100 Back
1:32.78
138 Chase Witt 1:32.81 10 BB Min A: 1:32.29 (+0.52s | 0.6%) Gold\\\\\\'s Aquatics Club (Camas) 12/20/2025 GACC December Intrasquad
50 Back
44.99
44.99
100 Back
47.82
1:32.81
100 Back
1:32.81
139 Martin Decotigny 1:32.84 10 BB Min A: 1:32.29 (+0.55s | 0.6%) Alto Swim Club 06/27/2025 Alto Summer Swelter
140 Kellan Naisbitt 1:32.90 10 BB Min A: 1:32.29 (+0.61s | 0.7%) Mission Viejo Nadadores 06/12/2025 2025 SCS June AG Invite @ La Mirada Armada
141 Uriah Sanchez 1:33.13 10 BB Min A: 1:32.29 (+0.84s | 0.9%) Rocky Mountain Rapids 07/25/2025 2025 CO CSI Age Group Championships
142 Kian Bryson 1:33.18 9 BB Min A: 1:32.29 (+0.89s | 1.0%) Lake Oswego Swim Club 07/12/2025 2025 OSI Arena Summer LC 10 U Championships
50 Back
47.82
47.82
100 Back
45.36
1:33.18
100 Back
1:33.18
143 Hongjie Xiao 1:33.22 8 BB Min A: 1:32.29 (+0.93s | 1.0%) Irvine Novaquatics 07/23/2025 2025 CA SCS Summer A G Champs
144 Robert Botterill 1:33.23 10 BB Min A: 1:32.29 (+0.94s | 1.0%) Granite City Aquatics 07/23/2025 2025 MN NSAC 10 U LC State Championship
50 Back
45.29
45.29
100 Back
47.94
1:33.23
100 Back
1:33.23
145 Jarvis Qu 1:33.24 9 BB Min A: 1:32.29 (+0.95s | 1.0%) Mission Viejo Nadadores 06/12/2025 2025 SCS June AG Invite @ La Mirada Armada
146 Holten Lawrence 1:33.28 9 BB Min A: 1:32.29 (+0.99s | 1.1%) The Dalles Swim Team 07/12/2025 2025 OSI Arena Summer LC 10 U Championships
50 Back
45.29
45.29
100 Back
47.99
1:33.28
100 Back
1:33.28
147 Jasper de Szoeke 1:33.30 10 BB Min A: 1:32.29 (+1.01s | 1.1%) Corvallis Aquatic Team 07/12/2025 2025 OSI Arena Summer LC 10 U Championships
50 Back
45.47
45.47
100 Back
47.83
1:33.30
100 Back
1:33.30
148 George Laconte 1:33.34 9 BB Min A: 1:32.29 (+1.05s | 1.1%) Asphalt Green Unified Aquatics 08/06/2025 2025 Summer Elite Showcase
50 Back
44.95
44.95
100 Back
48.39
1:33.34
100 Back
1:33.34
149 William Wang 1:33.39 10 BB Min A: 1:32.29 (+1.10s | 1.2%) Unattached 08/06/2025 2025 Western Zone Age Group Championships
150 Luke Marek 1:33.55 10 BB Min A: 1:32.29 (+1.26s | 1.3%) Surge Aquatics 05/16/2025 2025 ST ASC Spring Showcase
50 Back
45.07
45.07
100 Back
48.48
1:33.55
100 Back
1:33.55

Disclaimer: This Website is not affiliated with USA Swimming or any Local Swim Committee. The rankings and times displayed on this website are unofficial and should not be viewed as such. We update our information regularly, but we cannot guarantee that the data is accurate, timely, or complete. The only purpose of this website is entertainment. None of the information here should be used for university admission applications.