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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
3451 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+
3452 Jayden Lim 1:41.78 9 B: 1:40.69 (+1.09s | 1.1%) Life Time Swim Missouri 10/09/2026 Fall Festival Invitational
3453 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
3454 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
3455 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
3456 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
3457 Robert Serey 1:41.80 10 B: 1:40.69 (+1.11s | 1.1%) Lexington Dolphins 10/17/2026 LEXD FinFest
3458 Jaechul Jung 1:41.81 10 B: 1:40.69 (+1.12s | 1.1%) Palo Alto Stanford Aquatics 10/24/2026 SUNN Fall Classic 2026
3459 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
3460 Noah Marin 1:41.85 10 B: 1:40.69 (+1.16s | 1.1%) Aptos Cabrillo Swim Club 10/03/2026 Quicksilver Santa Cruz Competencia 2026
3461 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
3462 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
3463 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
3464 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
3465 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
3466 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
3467 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
3468 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
3469 Jacob March 1:41.93 8 B: 1:40.69 (+1.24s | 1.2%) Jcc Swimming 05/22/2026 2026 ISCA National Diversity Swim Champ
50 Back
50.65
50.65
100 Back
51.28
1:41.93
100 Back
1:41.93
3470 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
3471 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
3472 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
3473 Parker Maddox 1:41.94 10 B: 1:40.69 (+1.25s | 1.2%) Southwest Stars Swim Club 10/09/2026 2026 FAST Pumpkin Plunge
3474 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
3475 Thomas Klinger 1:41.96 10 B: 1:40.69 (+1.27s | 1.2%) Tide Swimming 12/11/2025 2025 East Coast WinterFest
3476 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
3477 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
3478 Everett Regula 1:41.97 10 B: 1:40.69 (+1.28s | 1.3%) Aulea Swim Club 09/19/2026 OSL IMX Meet
50 Back
49.78
49.78
100 Back
52.19
1:41.97
100 Back
1:41.97
3479 Finn Rodrigues 1:41.97 10 B: 1:40.69 (+1.28s | 1.3%) Rainbow Aquatics 10/24/2026 2026 HI 26th Annual Bill Smith Invitational
50 Back
47.97
47.97
100 Back
54.00
1:41.97
100 Back
1:41.97
3480 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
3481 Leo Andujar 1:41.98 9 B: 1:40.69 (+1.29s | 1.3%) Cape Cod Swim Club 05/15/2026 2026 NE CCSC Medley Mayhem At Sandwich High
50 Back
49.79
49.79
100 Back
52.19
1:41.98
100 Back
1:41.98
3482 David Mirzoyan 1:41.98 9 B: 1:40.69 (+1.29s | 1.3%) Sarasota Sharks 06/20/2026 West Coast B Champtionships
50 Back
48.11
48.11
100 Back
53.87
1:41.98
100 Back
1:41.98
3483 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
3484 Tom Katz 1:42.00 8 B: 1:40.69 (+1.31s | 1.3%) Saline Swim Team 02/28/2026 2026 Last Chance Meet
50 Back
48.62
48.62
100 Back
53.38
1:42.00
100 Back
1:42.00
3485 Elliott Horn 1:42.00 9 B: 1:40.69 (+1.31s | 1.3%) Monocacy Aquatic Club 11/01/2025 2025 Bridget Vache Memorial MAC Fall Frenzy
50 Back
49.24
49.24
100 Back
52.76
1:42.00
100 Back
1:42.00
3486 Lane Arias 1:42.01 8 B: 1:40.69 (+1.32s | 1.3%) Ridgefield Aquatic Club 04/10/2026 2026 GTSA TYR Spring Championship
50 Back
51.12
51.12
100 Back
50.89
1:42.01
100 Back
1:42.01
3487 Edmund Merrill 1:42.02 9 B: 1:40.69 (+1.33s | 1.3%) Westbrook Seals 03/20/2026 2026 NE NSSC March Madness At MIT
3488 Corbyn Yerks 1:42.02 9 B: 1:40.69 (+1.33s | 1.3%) High Tides Swim Club 11/22/2025 2025 MN HTSC Harvest Classic
50 Back
50.83
50.83
100 Back
51.19
1:42.02
100 Back
1:42.02
3489 Henry Omer 1:42.03 10 B: 1:40.69 (+1.34s | 1.3%) Machine Aquatics 10/04/2025 2025 Harvest Moon Invitational
3490 Ratu Bukarau 1:42.03 8 B: 1:40.69 (+1.34s | 1.3%) Stingrays Swim Team 01/10/2026 2026 RAYS Jeff Rouse Invitational
50 Back
48.11
48.11
100 Back
53.92
1:42.03
100 Back
1:42.03
3491 Henry Iovito 1:42.04 9 B: 1:40.69 (+1.35s | 1.3%) The Capitol Sea Devils 03/20/2026 March Madness 2026
3492 Henrik Person 1:42.04 10 B: 1:40.69 (+1.35s | 1.3%) Millard Aquatic Club 01/31/2026 2026 MW SCSC President S Day Meet
50 Back
49.21
49.21
100 Back
52.83
1:42.04
100 Back
1:42.04
3493 Oliver Lin 1:42.04 9 B: 1:40.69 (+1.35s | 1.3%) South Shore YMCA Strypers 12/05/2025 2025 NE YNS Reid Sacco Prelims Finals Invite
50 Back
48.84
48.84
100 Back
53.20
1:42.04
100 Back
1:42.04
3494 Alex Yau 1:42.04 10 B: 1:40.69 (+1.35s | 1.3%) Pacific Dragons Swim Team 02/07/2026 2026 PN IST Feb Winter Invitational Approved
50 Back
49.90
49.90
100 Back
52.14
1:42.04
100 Back
1:42.04
3495 Nicolas Mattingly 1:42.04 9 B: 1:40.69 (+1.35s | 1.3%) Cardinal Aquatics 10/16/2026 2026 SwimVille USA Jack Thompson Classic
50 Back
50.09
50.09
100 Back
51.95
1:42.04
100 Back
1:42.04
3496 Cooper Gagas 1:42.05 10 B: 1:40.69 (+1.36s | 1.3%) Cincinnati Aquatic Club 02/19/2026 2026 OH CM SC Regional Championships
3497 Benjamin Cohen 1:42.06 8 B: 1:40.69 (+1.37s | 1.3%) Alamo Heights Aquatic Club ? A 10/24/2026 2026 ST NIST Spooky Splash
50 Back
49.18
49.18
100 Back
52.88
1:42.06
100 Back
1:42.06
3498 Gleb Pretkel 1:42.07 9 B: 1:40.69 (+1.38s | 1.4%) YMCA of the North Shore Sharks 12/05/2025 2025 NE YNS Reid Sacco Prelims Finals Invite
50 Back
48.82
48.82
100 Back
53.25
1:42.07
100 Back
1:42.07
3499 William Gremp 1:42.08 10 B: 1:40.69 (+1.39s | 1.4%) Westport Weston Family YMCA Wa 12/11/2025 2025 NE SHAWMUT Candy Cane Classic
50 Back
46.14
46.14
100 Back
55.94
1:42.08
100 Back
1:42.08
3500 Bruce Neilsen 1:42.09 7 B: 1:40.69 (+1.40s | 1.4%) Lehi Aquatics 10/23/2025 Mike Harper Mini Meet
50 Back
50.42
50.42
100 Back
51.67
1:42.09
100 Back
1:42.09

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.