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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
3701 Armin Modarres 1:41.52 10 B: 1:40.69 (+0.83s | 0.8%) Tollefson Swimming 12/04/2025 2025 PV Turkey Claus Showdown
50 Back
49.19
49.19
100 Back
52.33
1:41.52
100 Back
1:41.52
3702 Lucas Palacios 1:41.52 10 B: 1:40.69 (+0.83s | 0.8%) Sun City Swimming 02/13/2026 2026 BD Arctic BLAST Swim Meet
50 Back
1:41.59
1:41.59
100 Back
0.-7
1:41.52
100 Back
1:41.52
3703 Siamak Dalley 1:41.53 9 B: 1:40.69 (+0.84s | 0.8%) DC Dept Of Parks and Recreatio 12/20/2025 2025 Candy Cane Sprints
50 Back
49.45
49.45
100 Back
52.08
1:41.53
100 Back
1:41.53
3704 Mark Yashchynskyi 1:41.53 9 B: 1:40.69 (+0.84s | 0.8%) Utica Shelby Swim Club 12/06/2025 SLA Holiday Blast
50 Back
48.57
48.57
100 Back
52.96
1:41.53
100 Back
1:41.53
3705 Grant Levenson 1:41.53 10 B: 1:40.69 (+0.84s | 0.8%) Rockville Montgomery Swim Club 11/14/2025 2025 RMSC November Dual Meet
50 Back
51.30
51.30
100 Back
50.23
1:41.53
100 Back
1:41.53
3706 Francesco Caruana 1:41.53 10 B: 1:40.69 (+0.84s | 0.8%) Farmingdale Aquatics 02/20/2026 2026 MR Silvers Championship South HAUP
50 Back
51.02
51.02
100 Back
50.51
1:41.53
100 Back
1:41.53
3707 Finnegan Dunn 1:41.54 10 B: 1:40.69 (+0.85s | 0.8%) New York Sharks Aquatics 03/27/2026 2026 MR Metro Bronze Championship North
3708 Avery Greenup 1:41.54 9 B: 1:40.69 (+0.85s | 0.8%) Plymouth Canton Cruisers 02/27/2026 2026 Junior Cup
50 Back
48.92
48.92
100 Back
52.62
1:41.54
100 Back
1:41.54
3709 Christopher Ewing 1:41.55 9 B: 1:40.69 (+0.86s | 0.8%) South Lake Aquatic Club 02/21/2026 2026 SLAC Last Chance To Dance Invitational
50 Back
1:41.78
1:41.78
100 Back
0.-23
1:41.55
100 Back
1:41.55
3710 Thomas Van Epp 1:41.56 9 B: 1:40.69 (+0.87s | 0.9%) Nova of Virginia 11/22/2025 NOVA Cranberry Contender
50 Back
49.40
49.40
100 Back
52.16
1:41.56
100 Back
1:41.56
3711 Marlon Chinchilla 1:41.56 9 B: 1:40.69 (+0.87s | 0.9%) Piranha Swimming 02/28/2026 VJO Rep The Bay C B A+ 2026 Copied
3712 Isaac Klopp 1:41.56 9 B: 1:40.69 (+0.87s | 0.9%) Team Charlotte Swimming 03/07/2026 2026 MSA March Madness Invitational
50 Back
45.90
45.90
100 Back
55.66
1:41.56
100 Back
1:41.56
3713 Caiden King 1:41.57 9 B: 1:40.69 (+0.88s | 0.9%) Hampton Virginia Current 12/12/2025 2025 HVAC Winterfest Invitational
50 Back
49.83
49.83
100 Back
51.74
1:41.57
100 Back
1:41.57
3714 Samuel Gusev 1:41.57 8 B: 1:40.69 (+0.88s | 0.9%) Tide Swimming 12/11/2025 2025 East Coast WinterFest
50 Back
48.05
48.05
100 Back
53.52
1:41.57
100 Back
1:41.57
3715 Cooper Diamond 1:41.58 9 B: 1:40.69 (+0.89s | 0.9%) Mason Makos Swim Team 03/21/2026 2026 MAKO SPRING FLING
50 Back
49.09
49.09
100 Back
52.49
1:41.58
100 Back
1:41.58
3716 Cole Mazen 1:41.58 9 B: 1:40.69 (+0.89s | 0.9%) North Baltimore Aquatic Club 03/21/2026 2026 Maryland 9 10 B Championship Meet
50 Back
50.29
50.29
100 Back
51.29
1:41.58
100 Back
1:41.58
3717 Nathan Bennett 1:41.59 9 B: 1:40.69 (+0.90s | 0.9%) Quince Orchard Swim Academy 12/20/2025 2025 Splash And Dash
3718 Garett Biberston 1:41.60 9 B: 1:40.69 (+0.91s | 0.9%) Winchester Swim Team 10/18/2025 2025 RAYS Great Pumpkin Splash Invitational
50 Back
48.77
48.77
100 Back
52.83
1:41.60
100 Back
1:41.60
3719 Austin Shinohara 1:41.60 7 B: 1:40.69 (+0.91s | 0.9%) Twisters Swim Club 10/10/2025 2025 MR LIE Octoberfest Invitational
50 Back
47.90
47.90
100 Back
53.70
1:41.60
100 Back
1:41.60
3720 Lucas Tang 1:41.60 10 B: 1:40.69 (+0.91s | 0.9%) Alamo Area Aquatic Association 01/21/2026 2026 ST AAAA NS January Race Night
3721 Samuel Zhou 1:41.61 10 B: 1:40.69 (+0.92s | 0.9%) Bay Club Panthers 11/14/2025 PSL Pumpkin Spice Lovers 25 129
3722 Nathan Smolyar 1:41.61 10 B: 1:40.69 (+0.92s | 0.9%) Nation\\\\\\'s Capital Swim Club 02/27/2026 2026 Cherry Blossom Champs
50 Back
49.56
49.56
100 Back
52.05
1:41.61
100 Back
1:41.61
3723 William Mitchell 1:41.62 10 B: 1:40.69 (+0.93s | 0.9%) Saint Petersburg Aquatics 02/06/2026 2026 TBAC Winter Meet Copied
3724 Brock Hawrylak 1:41.62 10 B: 1:40.69 (+0.93s | 0.9%) Aquawolves Swimming 02/14/2026 2026 CO AQUA February Home Meet
50 Back
47.87
47.87
100 Back
53.75
1:41.62
100 Back
1:41.62
3725 Noah Johnson 1:41.63 10 B: 1:40.69 (+0.94s | 0.9%) Long Island Aquatic Club 01/16/2026 2026 MR NFS 43rd Annual Dr MLK Jr Invite
50 Back
47.34
47.34
100 Back
54.29
1:41.63
100 Back
1:41.63
3726 Michael O'Connell 1:41.63 9 B: 1:40.69 (+0.94s | 0.9%) Riptide Swim Team 02/27/2026 2026 MN MAN Minnesota Regional Championship
50 Back
49.94
49.94
100 Back
51.69
1:41.63
100 Back
1:41.63
3727 Coleman Wixom 1:41.65 10 B: 1:40.69 (+0.96s | 0.9%) Heartland Swim Assoc 10/11/2025 2025 SI HSA All Ages B C
3728 Benjamin Levin 1:41.66 10 B: 1:40.69 (+0.97s | 1.0%) Shawmut Aquatic Club 03/13/2026 2026 Shawmut NE Cup Championship
50 Back
49.69
49.69
100 Back
51.97
1:41.66
100 Back
1:41.66
3729 Eduardo Rodriguez 1:41.66 10 B: 1:40.69 (+0.97s | 1.0%) Houston Waves Swim Club 12/20/2024 2024 Gulf Fall Champs (ESCA AMBU)
3730 Heinrich Forsbach Sotelo 1:41.66 9 B: 1:40.69 (+0.97s | 1.0%) Quest Swimming 11/15/2025 2025 WAC Fall Classic
50 Back
49.65
49.65
100 Back
52.01
1:41.66
100 Back
1:41.66
3731 Walter Ogdon 1:41.66 10 B: 1:40.69 (+0.97s | 1.0%) Tualatin Hills Swim Club 01/16/2026 2026 THSC 14 U Winter Showcase
50 Back
49.79
49.79
100 Back
51.87
1:41.66
100 Back
1:41.66
3732 Victor Lykho 1:41.67 10 B: 1:40.69 (+0.98s | 1.0%) Gulliver Swim Club 11/21/2025 2025 Gulliver Gobble Gobble Nov Last Chance
3733 Jason Rector 1:41.68 7 B: 1:40.69 (+0.99s | 1.0%) Valley Swim Team Phoenix 03/20/2026 2026 SwimRVA Clover Cup
50 Back
50.31
50.31
100 Back
51.37
1:41.68
100 Back
1:41.68
3734 Avri Dorn 1:41.70 10 B: 1:40.69 (+1.01s | 1.0%) Calvert Aquatics Club 02/06/2026 2026 Last Chance Qualifying Meet
50 Back
48.99
48.99
100 Back
52.71
1:41.70
100 Back
1:41.70
3735 Alexander Malcomson 1:41.72 8 B: 1:40.69 (+1.03s | 1.0%) Bellevue Club Swim Team 03/28/2026 2026 PN Spring Showdown, Div1 Approved
50 Back
49.77
49.77
100 Back
51.95
1:41.72
100 Back
1:41.72
3736 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
3737 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
3738 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
3739 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
3740 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
3741 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
3742 Ethan Ulmer 1:41.76 10 B: 1:40.69 (+1.07s | 1.1%) Black Hills Gold Swimming 02/20/2026 2026 SD 12 Under Short Course State A Champ
50 Back
47.91
47.91
100 Back
53.85
1:41.76
100 Back
1:41.76
3743 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
3744 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
3745 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
3746 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
3747 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
3748 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+
3749 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
3750 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

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.