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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
4251 Jack Benson 1:41.73 9 B: 1:40.69 (+1.04s | 1.0%) Worthington Swim Club 02/19/2026 2026 OH WOR SC Regional Championships
50 Back
50.50
50.50
100 Back
51.23
1:41.73
100 Back
1:41.73
4252 Tan Dinh 1:41.74 7 B: 1:40.69 (+1.05s | 1.0%) Fairfax Foxes Swimming 11/07/2025 2025 FXFX Loughmiller Memorial
50 Back
49.81
49.81
100 Back
51.93
1:41.74
100 Back
1:41.74
4253 Yusufbek Urmonjonov 1:41.74 9 B: 1:40.69 (+1.05s | 1.0%) Egra Waves 11/01/2025 Greater Kalamazoo Arena Challenge
50 Back
50.74
50.74
100 Back
51.00
1:41.74
100 Back
1:41.74
4254 Richard Li 1:41.75 9 B: 1:40.69 (+1.06s | 1.0%) Monocacy Aquatic Club 03/13/2026 2026 Speedo Maryland Junior Championship Si
50 Back
50.46
50.46
100 Back
51.29
1:41.75
100 Back
1:41.75
4255 Grayson Poole 1:41.76 9 B: 1:40.69 (+1.07s | 1.1%) Calvert Aquatics Club 03/20/2026 2026 SwimRVA Clover Cup
50 Back
48.15
48.15
100 Back
53.61
1:41.76
100 Back
1:41.76
4256 Keegan Tower 1:41.76 10 B: 1:40.69 (+1.07s | 1.1%) Middlebury Aquatics Club 01/16/2026 2026 NE UVAC TT Bronze Championships
50 Back
49.27
49.27
100 Back
52.49
1:41.76
100 Back
1:41.76
4257 Cooper Distelrath 1:41.76 10 B: 1:40.69 (+1.07s | 1.1%) T2 Aquatics 11/07/2025 2025 SYS Turkey Meet
50 Back
48.28
48.28
100 Back
53.48
1:41.76
100 Back
1:41.76
4258 Grant Soder 1:41.76 10 B: 1:40.69 (+1.07s | 1.1%) Roseburg Y Swim Team 01/24/2026 Oregon YMCA Championships 2026
50 Back
49.83
49.83
100 Back
51.93
1:41.76
100 Back
1:41.76
4259 Thomas Golder 1:41.77 9 B: 1:40.69 (+1.08s | 1.1%) Sailfish Aquatics 03/07/2026 2026 MSA March Madness Invitational
50 Back
50.05
50.05
100 Back
51.72
1:41.77
100 Back
1:41.77
4260 Aydin Ansari 1:41.77 9 B: 1:40.69 (+1.08s | 1.1%) Beast 12/04/2025 2025 Holiday Swim Festival
50 Back
46.06
46.06
100 Back
55.71
1:41.77
100 Back
1:41.77
4261 Callahan Calkins 1:41.77 10 B: 1:40.69 (+1.08s | 1.1%) Hydro Swim Club 02/23/2025 Racers Feb 2025 Last Chance
4262 Michael Freinkman 1:41.77 10 B: 1:40.69 (+1.08s | 1.1%) The Capitol Sea Devils 02/13/2026 39th Black History Swim Meet
50 Back
47.99
47.99
100 Back
53.78
1:41.77
100 Back
1:41.77
4263 Phinnaeus Johnson 1:41.78 10 B: 1:40.69 (+1.09s | 1.1%) South Valley Makos 11/15/2024 MBSC GSMY Z1S Race To AGC C B A+
4264 Oliver Song 1:41.79 10 B: 1:40.69 (+1.10s | 1.1%) H2okie Aquatics 11/07/2025 2025 HOKI November Invitational Copied
50 Back
48.81
48.81
100 Back
52.98
1:41.79
100 Back
1:41.79
4265 Jonah Ramos 1:41.79 9 B: 1:40.69 (+1.10s | 1.1%) Frederick Area Swim Team 03/21/2026 2026 Maryland 9 10 B Championship Meet
50 Back
48.20
48.20
100 Back
53.59
1:41.79
100 Back
1:41.79
4266 Harrison Randall 1:41.80 9 B: 1:40.69 (+1.11s | 1.1%) Baylor Swim Club 02/13/2026 2026 SE BAY Region 2 Championships Copied
50 Back
47.26
47.26
100 Back
54.54
1:41.80
100 Back
1:41.80
4267 Clyde Olver 1:41.80 9 B: 1:40.69 (+1.11s | 1.1%) Nation\\\\\\'s Capital Swim Club 12/05/2025 2025 VSTP Ice Breaker Invitational
50 Back
49.62
49.62
100 Back
52.18
1:41.80
100 Back
1:41.80
4268 Cameron Watrous 1:41.81 9 B: 1:40.69 (+1.12s | 1.1%) Bellevue Club Swim Team 11/23/2024 2024 PN November AGI Divsion 3
50 Back
49.28
49.28
100 Back
52.53
1:41.81
100 Back
1:41.81
4269 Decker Sewell 1:41.82 10 B: 1:40.69 (+1.13s | 1.1%) Ski Hi Aquatics 08/01/2025 2025 CO CSI Scottie Aschermann Memorial
50 Back
49.38
49.38
100 Back
52.44
1:41.82
100 Back
1:41.82
4270 Bentley Branch 1:41.82 10 B: 1:40.69 (+1.13s | 1.1%) Hickam Hurricanes 03/07/2026 2026 HI Junior Age Group SCY Championship
50 Back
50.15
50.15
100 Back
51.67
1:41.82
100 Back
1:41.82
4271 Luka Haberle 1:41.82 10 B: 1:40.69 (+1.13s | 1.1%) Mecklenburg Swim Association 01/17/2026 2026 MSA January Invite
4272 Connor Guo 1:41.83 8 B: 1:40.69 (+1.14s | 1.1%) Revolution Swim Club 01/09/2026 2026 NE CRIM Jan Team Specialty
50 Back
49.16
49.16
100 Back
52.67
1:41.83
100 Back
1:41.83
4273 Alexander Carter 1:41.85 8 B: 1:40.69 (+1.16s | 1.1%) Ensworth Aquatics 01/16/2026 2026 TYR Mardi Gras Invite
50 Back
49.66
49.66
100 Back
52.19
1:41.85
100 Back
1:41.85
4274 Kyle Wu 1:41.86 8 B: 1:40.69 (+1.17s | 1.1%) Prince William Swim Club 02/13/2026 2026 Northern District 12 Under Championship
50 Back
49.02
49.02
100 Back
52.84
1:41.86
100 Back
1:41.86
4275 Bronson Bow 1:41.86 10 B: 1:40.69 (+1.17s | 1.1%) Fulshear Racing Swim Team 12/20/2024 2024 Gulf Fall Champs (KATY)
50 Back
50.57
50.57
100 Back
51.29
1:41.86
100 Back
1:41.86
4276 Landon Kivett 1:41.87 10 B: 1:40.69 (+1.18s | 1.2%) Forest Grove Swim Club 02/06/2026 2026 Forest Grove Coast Range Qualifier
4277 Zaddik Fan 1:41.88 10 B: 1:40.69 (+1.19s | 1.2%) Alto Swim Club 03/28/2026 Alto Rock The Blocks Invitational 2026
50 Back
48.77
48.77
100 Back
53.11
1:41.88
100 Back
1:41.88
4278 George Luo 1:41.88 10 B: 1:40.69 (+1.19s | 1.2%) North Carolina Aquatic Club 10/24/2025 2025 CAT Trick Or Treat Meet
50 Back
49.04
49.04
100 Back
52.84
1:41.88
100 Back
1:41.88
4279 Caleb Wierson 1:41.89 10 B: 1:40.69 (+1.20s | 1.2%) West Texas Typhoon 02/13/2026 2026 BD Arctic BLAST Swim Meet
50 Back
49.62
49.62
100 Back
52.27
1:41.89
100 Back
1:41.89
4280 Ezekiel Braun 1:41.89 9 B: 1:40.69 (+1.20s | 1.2%) Greater Tampa Swim Association 02/27/2026 2026 Spring Area 3 Championships
50 Back
49.09
49.09
100 Back
52.80
1:41.89
100 Back
1:41.89
4281 Nicholas Wang 1:41.89 10 B: 1:40.69 (+1.20s | 1.2%) The Fish 03/20/2026 26th Annual Spring Championships
50 Back
49.56
49.56
100 Back
52.33
1:41.89
100 Back
1:41.89
4282 Elias Khoury 1:41.90 10 B: 1:40.69 (+1.21s | 1.2%) Old Dominion Aquatic Club 11/01/2025 ODAC Rising Stars Meet #2
50 Back
50.71
50.71
100 Back
51.19
1:41.90
100 Back
1:41.90
4283 Samuel Moskoff 1:41.91 9 B: 1:40.69 (+1.22s | 1.2%) SlipStream Aquatics 12/12/2025 2025 CO NJ Blizzard Invite
50 Back
49.21
49.21
50 Back
49.21
100 Back
52.70
1:41.91
50 Back
52.70
4284 Hanchen Guo-Li 1:41.92 9 B: 1:40.69 (+1.23s | 1.2%) Alto Swim Club 02/07/2026 Alto Feb 7 8 CBA Valentines Day
50 Back
1:01.34
1:01.34
100 Back
40.58
1:41.92
100 Back
1:41.92
4285 Finn Blumer 1:41.92 10 B: 1:40.69 (+1.23s | 1.2%) Gaston Gators 01/10/2026 ATOM Frosty Invitational 2026
50 Back
46.78
46.78
100 Back
55.14
1:41.92
100 Back
1:41.92
4286 Neal Grundy 1:41.93 10 B: 1:40.69 (+1.24s | 1.2%) M.E. Lyons/Anderson Barracudas 02/19/2026 2026 OH CM SC Regional Championships
50 Back
49.94
49.94
100 Back
51.99
1:41.93
100 Back
1:41.93
4287 Ryder Whitten 1:41.93 10 B: 1:40.69 (+1.24s | 1.2%) North Coast Aquatics 01/31/2026 2026 SI HSA All Ages NTS Meet
4288 Mason Verwers 1:41.93 9 B: 1:40.69 (+1.24s | 1.2%) Unattached 03/06/2026 2026 CO 14 U Silver State
50 Back
47.81
47.81
100 Back
54.12
1:41.93
100 Back
1:41.93
4289 Carter McDonald 1:41.93 9 B: 1:40.69 (+1.24s | 1.2%) Seattle Metropolitan Aquatic C 10/04/2025 2025 PN SMAC Fall Kick Off Invitational
50 Back
48.00
48.00
100 Back
53.93
1:41.93
100 Back
1:41.93
4290 Asher Dolgin 1:41.94 10 B: 1:40.69 (+1.25s | 1.2%) Team Suffolk 03/27/2026 2026 MR Bronze Championship South LIE
50 Back
50.62
50.62
100 Back
51.32
1:41.94
100 Back
1:41.94
4291 Patrick Ladd 1:41.96 9 B: 1:40.69 (+1.27s | 1.2%) West Texas Typhoon 12/19/2025 2025 BD Leo Cancellare Memorial Swim Meet
50 Back
48.00
48.00
100 Back
53.96
1:41.96
100 Back
1:41.96
4292 Thomas Klinger 1:41.96 10 B: 1:40.69 (+1.27s | 1.2%) Tide Swimming 12/11/2025 2025 East Coast WinterFest
4293 Eli Northington 1:41.97 8 B: 1:40.69 (+1.28s | 1.3%) Plymouth Canton Cruisers 02/27/2026 2026 Junior Cup
50 Back
49.08
49.08
100 Back
52.89
1:41.97
100 Back
1:41.97
4294 Zachary Murdoch 1:41.97 10 B: 1:40.69 (+1.28s | 1.3%) Potomac Marlins 01/17/2026 PVS January Open 2026 PWCS
50 Back
48.89
48.89
100 Back
53.08
1:41.97
100 Back
1:41.97
4295 Fletcher Lose 1:41.97 9 B: 1:40.69 (+1.28s | 1.3%) Machine Aquatics 02/20/2026 2026 Machine Qualifier
50 Back
49.46
49.46
100 Back
52.51
1:41.97
100 Back
1:41.97
4296 Lucas Saavedra 1:41.98 10 B: 1:40.69 (+1.29s | 1.3%) Swim Streamline at Northampton 11/02/2024 SSAN 2024 Fall Invite
4297 Fennick Brown 1:41.98 9 B: 1:40.69 (+1.29s | 1.3%) Zeus Swim Team 12/05/2025 2025 MR NYS Holiday Classic Trials Finals
50 Back
50.48
50.48
100 Back
51.50
1:41.98
100 Back
1:41.98
4298 Knox Monsivais 1:41.99 10 B: 1:40.69 (+1.30s | 1.3%) Lehi Aquatics 06/12/2025 WFFM June Developmental
50 Back
50.14
50.14
100 Back
51.85
1:41.99
100 Back
1:41.99
4299 Yuchen Zhou 1:41.99 10 B: 1:40.69 (+1.30s | 1.3%) Eastside Aquatic Swim Team 01/17/2026 2026 PN SMAC Winter Invitational Approved
50 Back
49.32
49.32
100 Back
52.67
1:41.99
100 Back
1:41.99
4300 Levi Foreman 1:41.99 10 B: 1:40.69 (+1.30s | 1.3%) Sea Devils 02/27/2026 2026 MN STRM Minnesota Regional Championship
50 Back
49.37
49.37
100 Back
52.62
1:41.99
100 Back
1:41.99

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.