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
151 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
152 Isaac Chapman 1:31.54 8 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
153 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
154 Jerry Ji 1:31.58 9 A Min AA: 1:28.19 (+3.39s | 3.7%) Brea Aquatics 07/23/2025 2025 CA SCS Summer A G Champs
155 Anders Hammond 1:31.58 9 A Min AA: 1:28.19 (+3.39s | 3.7%) Riptide Swim Team 05/16/2025 2025 CO ACES Spring Invite
156 Eamon Balch 1:31.59 9 A Min AA: 1:28.19 (+3.40s | 3.7%) La Mirada Armada 07/23/2025 2025 CA SCS Summer A G Champs
157 Dalton Gonzalez 1:31.60 8 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
158 William Xing 1:31.62 10 A Min AA: 1:28.19 (+3.43s | 3.7%) Olympus Aquatics 07/17/2025 2025 UTAGS LC Championships
50 Back
45.34
45.34
100 Back
46.28
1:31.62
100 Back
1:31.62
159 Phillippe Choi 1:31.70 9 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
160 Colt Sivells 1:31.76 9 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
161 Luke Chai 1:31.79 8 A Min AA: 1:28.19 (+3.60s | 3.9%) Pleasanton Seahawks 06/07/2025 2025 06 07 CDST LC C B BB+ Meet
162 Thomas Sayer 1:31.91 9 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
163 Luka McGrath 1:32.04 9 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
164 Jason Feng 1:32.07 9 A Min AA: 1:28.19 (+3.88s | 4.2%) Boys & Girls Club of SF 06/27/2025 Silicon Valley LC CBA+ Meet
165 Mason Nguyen 1:32.17 9 A Min AA: 1:28.19 (+3.98s | 4.3%) Aquazot Swim Club 06/12/2025 2025 SCS June AG Invite @ La Mirada Armada
166 Dean Hunter 1:32.20 9 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
167 Robert Richards 1:32.35 9 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
168 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
169 Hawx Hansen 1:32.47 9 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
170 Cullen Worthington 1:32.69 9 BB Min A: 1:32.29 (+0.40s | 0.4%) Nova of Virginia 07/11/2024 2024 RAYS Summer Awards
50 Back
45.48
45.48
100 Back
47.20
1:32.68
100 Back
1:32.68
171 Ashton Chen 1:32.70 9 BB Min A: 1:32.29 (+0.41s | 0.4%) Brea Aquatics 07/23/2025 2025 CA SCS Summer A G Champs
172 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
173 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
174 Alex Tang 1:32.78 8 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
175 Alex Deng 1:32.79 10 BB Min A: 1:32.29 (+0.50s | 0.5%) Issaquah Swim Team 07/24/2025 2025 PN LC 12 U Championships
176 Aaron Cho 1:32.81 9 BB Min A: 1:32.29 (+0.52s | 0.6%) Blast Sharks 07/25/2024 2024 CA SCS RAA Summer A G Champs
50 Back
43.96
43.96
100 Back
48.85
1:32.81
100 Back
1:32.81
177 Chase Witt 1:32.81 9 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
178 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
179 Kellan Naisbitt 1:32.90 9 BB Min A: 1:32.29 (+0.61s | 0.7%) Mission Viejo Nadadores 06/12/2025 2025 SCS June AG Invite @ La Mirada Armada
180 Paul Geletko 1:32.92 10 BB Min A: 1:32.29 (+0.63s | 0.7%) Area Tallahassee Aquatic Club 07/10/2025 2025 FL Summer Age Group Championships
50 Back
45.67
45.67
100 Back
47.25
1:32.92
100 Back
1:32.92
181 Uriah Sanchez 1:33.13 9 BB Min A: 1:32.29 (+0.84s | 0.9%) Rocky Mountain Rapids 07/25/2025 2025 CO CSI Age Group Championships
182 Harrison Ngo 1:33.16 10 BB Min A: 1:32.29 (+0.87s | 0.9%) Irvine Novaquatics 06/12/2025 2025 June Age Group Invite
50 Back
44.43
44.43
100 Back
48.73
1:33.16
100 Back
1:33.16
183 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
184 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
185 Robert Botterill 1:33.23 9 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
186 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
187 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
188 Jasper de Szoeke 1:33.30 9 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
189 Gavin Song 1:33.33 10 BB Min A: 1:32.29 (+1.04s | 1.1%) Brea Aquatics 07/23/2025 2025 CA SCS Summer A G Champs
190 George Laconte 1:33.34 8 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
191 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
192 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
193 Ewan Anderson 1:33.57 10 BB Min A: 1:32.29 (+1.28s | 1.4%) Macedonia Manta Ray Swim Team 07/24/2025 2025 LE Age Group And Senior LC Championships
50 Back
44.07
44.07
100 Back
49.50
1:33.57
100 Back
1:33.57
194 Divyanshu Bista 1:33.58 10 BB Min A: 1:32.29 (+1.29s | 1.4%) Apex 07/12/2025 2025 OSI Arena Summer LC 10 U Championships
50 Back
46.61
46.61
100 Back
46.97
1:33.58
100 Back
1:33.58
195 Haoran Cong 1:33.59 10 BB Min A: 1:32.29 (+1.30s | 1.4%) Bellevue Club Swim Team 07/24/2025 2025 PN LC 12 U Championships
196 Max Frankel 1:33.67 10 BB Min A: 1:32.29 (+1.38s | 1.5%) SwimRight Team 01/17/2026 2026 Azura Winter Open LCM Invite
197 Lucas Guo 1:33.68 10 BB Min A: 1:32.29 (+1.39s | 1.5%) Santa Clara Swim Club 05/30/2025 SCSC Pacific Swimming Long Course Intrasquad
50 Back
46.51
46.51
100 Back
47.17
1:33.68
100 Back
1:33.68
198 Eric Liu 1:33.73 10 BB Min A: 1:32.29 (+1.44s | 1.5%) Brea Aquatics 06/12/2025 2025 SCS June AG Invite @ La Mirada Armada
199 Conner Lo 1:33.79 10 BB Min A: 1:32.29 (+1.50s | 1.6%) DeAnza Cupertino Aquatics 06/27/2025 Silicon Valley LC CBA+ Meet
200 Ryan Nesmith 1:33.79 9 BB Min A: 1:32.29 (+1.50s | 1.6%) Swim Florida 07/10/2025 2025 FL Summer Age Group Championships
50 Back
45.76
45.76
100 Back
48.03
1:33.79
100 Back
1:33.79

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.