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USA Boys 10 & under - 100 Y 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
2151 Yeonwoo Ju 1:31.20 10 B Min BB: 1:30.09 (+1.11s | 1.2%) Utica Shelby Swim Club 02/27/2026 2026 Junior Cup
50 Back
44.47
44.47
100 Back
46.73
1:31.20
100 Back
1:31.20
2152 Adrito Daas 1:31.21 10 B Min BB: 1:30.09 (+1.12s | 1.2%) Tualatin Hills Swim Club 02/21/2026 2026 Arena Short Course 10 U Championships
50 Back
45.72
45.72
100 Back
45.49
1:31.21
100 Back
1:31.21
2153 Jack Zerr 1:31.21 8 B Min BB: 1:30.09 (+1.12s | 1.2%) Findlay YMCA Frogs 02/19/2026 2026 OH SOS SC Regional Championships
50 Back
44.59
44.59
100 Back
46.62
1:31.21
100 Back
1:31.21
2154 Ayden Jensen 1:31.21 10 B Min BB: 1:30.09 (+1.12s | 1.2%) Springfield 02/14/2025 2025 OR HS 5A 2
50 Back
44.62
44.62
100 Back
46.59
1:31.21
100 Back
1:31.21
2155 Lucca Belluco 1:31.21 10 B Min BB: 1:30.09 (+1.12s | 1.2%) Marlins Of Raleigh 10/24/2025 2025 MOR Kick Off
50 Back
45.53
45.53
100 Back
45.68
1:31.21
100 Back
1:31.21
2156 Lincoln Flynn 1:31.22 9 B Min BB: 1:30.09 (+1.13s | 1.2%) Nation\\\\\\'s Capital Swim Club 01/10/2026 2026 MAKO POLAR PLUNGE
2157 Wesley Baird 1:31.22 9 B Min BB: 1:30.09 (+1.13s | 1.2%) Empire Swimming 12/06/2025 2025 MR PAC 12 U Holiday Invitational
50 Back
45.06
45.06
100 Back
46.16
1:31.22
100 Back
1:31.22
2158 Ryan Denardo 1:31.22 9 B Min BB: 1:30.09 (+1.13s | 1.2%) Nation\\\\\\'s Capital Swim Club 03/21/2026 2026 MAKO SPRING FLING
50 Back
43.76
43.76
100 Back
47.46
1:31.22
100 Back
1:31.22
2159 Dylan Bachmann 1:31.23 10 B Min BB: 1:30.09 (+1.14s | 1.2%) Oly Swimming 02/27/2026 2026 MCSA Junior Cup
50 Back
45.07
45.07
100 Back
46.16
1:31.23
100 Back
1:31.23
2160 Asa Bains 1:31.23 10 B Min BB: 1:30.09 (+1.14s | 1.2%) Csp Tideriders 03/07/2026 2026 GTWY 8 Under Champs
50 Back
44.08
44.08
100 Back
47.15
1:31.23
100 Back
1:31.23
2161 Arieh Elias 1:31.25 10 B Min BB: 1:30.09 (+1.16s | 1.3%) Unatached 03/21/2026 2026 MAKO SPRING FLING
2162 Aiden Fry 1:31.26 10 B Min BB: 1:30.09 (+1.17s | 1.3%) Alleghany Highlands YMCA Dolph 01/02/2026 2026 LY Winter Invitational
50 Back
43.37
43.37
100 Back
47.89
1:31.26
100 Back
1:31.26
2163 Nicholas Bowers 1:31.26 10 B Min BB: 1:30.09 (+1.17s | 1.3%) Rec-Plex Sharks 03/07/2026 2026 GTWY 8 Under Champs
2164 George Burdick 1:31.28 10 B Min BB: 1:30.09 (+1.19s | 1.3%) Egra Waves 12/05/2025 EGRA 2025 Winter Washout
50 Back
44.12
44.12
100 Back
47.16
1:31.28
100 Back
1:31.28
2165 Liam O'Brien 1:31.29 9 B Min BB: 1:30.09 (+1.20s | 1.3%) Walnut Creek Aquabears 10/18/2025 PC SRVA SCY B BB+ Meet
2166 Miles Key 1:31.30 10 B Min BB: 1:30.09 (+1.21s | 1.3%) Raleigh Swimming Association 03/26/2026 2026 NCAC Spring Tar Heel States Copied
50 Back
44.02
44.02
50 Back
44.02
100 Back
47.28
1:31.30
50 Back
47.28
2167 Lane Markham 1:31.31 9 B Min BB: 1:30.09 (+1.22s | 1.3%) Minnetonka Swim Club 02/27/2026 2026 MN MTKA Minnesota Regional Championship
50 Back
44.16
44.16
100 Back
47.15
1:31.31
100 Back
1:31.31
2168 Gabriel Keeling 1:31.31 10 B Min BB: 1:30.09 (+1.22s | 1.3%) Laker Swim 02/28/2026 2026 Spring Area 2 Championships
50 Back
45.12
45.12
100 Back
46.19
1:31.31
100 Back
1:31.31
2169 Shan Chan 1:31.31 10 B Min BB: 1:30.09 (+1.22s | 1.3%) Three Village Swim Club 02/20/2026 2026 MR Silvers Championship South HAUP
50 Back
43.98
43.98
100 Back
47.33
1:31.31
100 Back
1:31.31
2170 Mark Badziong 1:31.31 8 B Min BB: 1:30.09 (+1.22s | 1.3%) Hudson Explorer Aquatic 02/20/2026 2026 OH Akron SC Regional Championships
50 Back
44.08
44.08
100 Back
47.23
1:31.31
100 Back
1:31.31
2171 Maxwell Chen 1:31.32 9 B Min BB: 1:30.09 (+1.23s | 1.3%) Suburban Aquatics 11/14/2025 2025PV November Open Fairland
50 Back
43.10
43.10
100 Back
48.22
1:31.32
100 Back
1:31.32
2172 David Hardekopf 1:31.32 10 B Min BB: 1:30.09 (+1.23s | 1.3%) Streamline & Sprint Human Perf 09/20/2025 2025 SE BSL Sprint Into Fall Invitational
50 Back
41.84
41.84
100 Back
49.48
1:31.32
100 Back
1:31.32
2173 Daniel Yates 1:31.32 10 B Min BB: 1:30.09 (+1.23s | 1.3%) Upper Valley Aquatic Club 01/30/2026 2026 NE UVAC Silvers
50 Back
45.84
45.84
100 Back
45.48
1:31.32
100 Back
1:31.32
2174 Riaan Purohit 1:31.33 9 B Min BB: 1:30.09 (+1.24s | 1.4%) Westlake Aquatic Facility 01/10/2026 2026 ST AHAC B Champs South Copied
2175 Oliver Hernandez 1:31.34 9 B Min BB: 1:30.09 (+1.25s | 1.4%) Annapolis Swim Club 03/21/2026 2026 Maryland 9 10 B Championship Meet
50 Back
45.98
45.98
100 Back
45.36
1:31.34
100 Back
1:31.34
2176 Jacob Fischer 1:31.34 9 B Min BB: 1:30.09 (+1.25s | 1.4%) Greater Pensacola Aquatic Club 02/13/2026 2026 SES Region 4 Championships
50 Back
44.78
44.78
100 Back
46.56
1:31.34
100 Back
1:31.34
2177 Mars Meihack 1:31.35 9 B Min BB: 1:30.09 (+1.26s | 1.4%) Tualatin Hills Swim Club 01/16/2026 2026 THSC 14 U Winter Showcase
50 Back
44.07
44.07
100 Back
47.28
1:31.35
100 Back
1:31.35
2178 Philip Wong 1:31.36 10 B Min BB: 1:30.09 (+1.27s | 1.4%) Trident Aquatic Club 02/20/2026 2026 MR Metro Silver Central Champs WEST
50 Back
44.26
44.26
100 Back
47.10
1:31.36
100 Back
1:31.36
2179 Leo Reyes 1:31.36 9 B Min BB: 1:30.09 (+1.27s | 1.4%) Occoquan Swimming 12/11/2025 2025 East Coast WinterFest
50 Back
43.08
43.08
100 Back
48.28
1:31.36
100 Back
1:31.36
2180 Zachary Bryan 1:31.36 9 B Min BB: 1:30.09 (+1.27s | 1.4%) Raleigh Swimming Association 03/14/2026 2026 MOR Reagan Martin Rocks Swim Meet
50 Back
45.47
45.47
100 Back
45.89
1:31.36
100 Back
1:31.36
2181 James Vista 1:31.37 9 B Min BB: 1:30.09 (+1.28s | 1.4%) New York Sharks Aquatics 02/20/2026 2026 MR Silvers North Championship YMID
2182 Forrest Foster 1:31.37 10 B Min BB: 1:30.09 (+1.28s | 1.4%) Alamo Area Aquatic Association 01/10/2026 2026 ST AHAC B Champs South Copied
50 Back
44.37
44.37
100 Back
47.00
1:31.37
100 Back
1:31.37
2183 Leo Blubaugh 1:31.38 10 B Min BB: 1:30.09 (+1.29s | 1.4%) Nova of Virginia 12/05/2025 NOVA December Dip
50 Back
44.45
44.45
100 Back
46.93
1:31.38
100 Back
1:31.38
2184 Declan Matthews 1:31.39 9 B Min BB: 1:30.09 (+1.30s | 1.4%) Helios 02/14/2026 2026 SwimMAC Qualifier Festival
50 Back
44.24
44.24
100 Back
47.15
1:31.39
100 Back
1:31.39
2185 Eric Wu 1:31.39 10 B Min BB: 1:30.09 (+1.30s | 1.4%) Florida Atlantic Aquatics 11/21/2025 2025 NPB Turkey Invite
50 Back
43.40
43.40
100 Back
47.99
1:31.39
100 Back
1:31.39
2186 Evan Lee 1:31.40 10 B Min BB: 1:30.09 (+1.31s | 1.4%) Storm Aquatics 02/06/2026 2026 MR YMID February Classic Copied
50 Back
44.37
44.37
50 Back
44.37
100 Back
47.03
1:31.40
50 Back
47.03
2187 Jack Nadelson 1:31.40 9 B Min BB: 1:30.09 (+1.31s | 1.4%) Rhode Island Aquatic Club 01/30/2026 2026 NE GS Silver Championships
50 Back
46.22
46.22
100 Back
45.18
1:31.40
100 Back
1:31.40
2188 Walter L'Hommedieu 1:31.41 9 B Min BB: 1:30.09 (+1.32s | 1.4%) Tampa Elite Aquatics 02/20/2026 Bay Area Spring Championships
2189 Henry Ward 1:31.41 10 B Min BB: 1:30.09 (+1.32s | 1.4%) Cavalier Aquatics/Piedmont Fam 02/27/2026 2026 SW District Champs 9 Over
2190 Meade Murphy 1:31.41 9 B Min BB: 1:30.09 (+1.32s | 1.4%) Upper Main Line YMCA 12/11/2025 2025 East Coast WinterFest
50 Back
45.08
45.08
100 Back
46.33
1:31.41
100 Back
1:31.41
2191 Carter Schwenk 1:31.43 10 B Min BB: 1:30.09 (+1.34s | 1.5%) Burlingame Aquatics 03/07/2026 BAC Race To AGCs
2192 Jayden Gohng 1:31.44 10 B Min BB: 1:30.09 (+1.35s | 1.5%) Eagle Swim Team Inc. 03/13/2026 2026 Speedo Maryland Junior Championship Si
50 Back
44.70
44.70
100 Back
46.74
1:31.44
100 Back
1:31.44
2193 Jack Hallermann 1:31.45 10 B Min BB: 1:30.09 (+1.36s | 1.5%) Velocity Aquatics 02/27/2026 2026 MN STRM Minnesota Regional Championship
2194 Elliott Horng 1:31.45 9 B Min BB: 1:30.09 (+1.36s | 1.5%) Rockville Montgomery Swim Club 01/16/2026 2026 RMSC January Intrasquad Meet
50 Back
43.22
43.22
100 Back
48.23
1:31.45
100 Back
1:31.45
2195 Charles McLaughlin 1:31.45 11 B Min BB: 1:30.09 (+1.36s | 1.5%) Cape Cod Swim Club 09/27/2025 2025 NE NANT Scallop Season Invite Copied
50 Back
45.71
45.71
100 Back
45.74
1:31.45
100 Back
1:31.45
2196 William Andrew 1:31.47 10 B Min BB: 1:30.09 (+1.38s | 1.5%) Burlington Edison 02/14/2025 2025 Northwest District 1 2A Boys HS Distri
50 Back
43.33
43.33
100 Back
48.14
1:31.47
100 Back
1:31.47
2197 Matthew Lai 1:31.47 9 B Min BB: 1:30.09 (+1.38s | 1.5%) Clovis Swim Club 11/22/2025 2025 Dr Dowain Wright Memorial ABC
50 Back
44.55
44.55
100 Back
46.92
1:31.47
100 Back
1:31.47
2198 Reid McDonald 1:31.47 10 B Min BB: 1:30.09 (+1.38s | 1.5%) Eagle Swimming Association 11/02/2024 SSAN 2024 Fall Invite
50 Back
45.32
45.32
100 Back
46.15
1:31.47
100 Back
1:31.47
2199 Declan Adler Hickey 1:31.47 9 B Min BB: 1:30.09 (+1.38s | 1.5%) Nation\\\\\\'s Capital Swim Club 02/27/2026 2026 Cherry Blossom Champs
50 Back
45.14
45.14
100 Back
46.33
1:31.47
100 Back
1:31.47
2200 Andy Vuong 1:31.48 10 B Min BB: 1:30.09 (+1.39s | 1.5%) Heritage High School 02/13/2026 2026 District IV 3A 4A Mens Championships
50 Back
41.13
41.13
100 Back
50.35
1:31.48
100 Back
1:31.48

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.