USA Boys 10 & under - 50 Y Free
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 651 | Noah Mobasseri | 29.84 | 9 | AA Min | AAA: 28.69 (+1.15s | 3.9%) | Aquazot Swim Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 652 | Jacob YU | 29.85 | 10 | AA Min | AAA: 28.69 (+1.16s | 3.9%) | Twisters Swim Club | 11/28/2025 | 2025 MR LIE Thanksgiving Invitational | |
| 653 | Bryan Jing | 29.86 | 10 | AA Min | AAA: 28.69 (+1.17s | 3.9%) | Rockville Montgomery Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 654 | Walter Speicher | 29.86 | 10 | AA Min | AAA: 28.69 (+1.17s | 3.9%) | Monocacy Aquatic Club | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 655 | Henri Simard | 29.86 | 10 | AA Min | AAA: 28.69 (+1.17s | 3.9%) | Swim Florida | 03/05/2026 | 2026 Florida Swimming FLAGS SOUTH | |
| 656 | William Cravens | 29.87 | 10 | AA Min | AAA: 28.69 (+1.18s | 4.0%) | York Swim Club of Northern Vir | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 657 | Nicholas Leonard | 29.87 | 10 | BB Min | A: 28.09 (+1.78s | 6.0%) | SwimMAC Carolina | 02/26/2026 | 2026 NCS SC AG CHAMPS | |
| 658 | Thomas Sayer | 29.87 | 10 | AA Min | AAA: 28.69 (+1.18s | 4.0%) | Foxjets Swim Team | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 659 | Charlie Lockett | 29.87 | 10 | AA Min | AAA: 28.69 (+1.18s | 4.0%) | Nitro Swimming | 01/16/2026 | 2026 ST NTRO Winter Prelim Final Invite | |
| 660 | Tatetum Sires | 29.88 | 9 | AA Min | AAA: 28.69 (+1.19s | 4.0%) | East Valley (Yakima) | 01/10/2026 | 2026 Kentridge High School Invitational Obse | |
| 661 | Walker Lewis | 29.88 | 10 | AA Min | AAA: 28.69 (+1.19s | 4.0%) | Excel Aquatics | 10/10/2026 | Ensworth October Invite | |
| 662 | Thomas Afonin | 29.89 | 10 | AA Min | AAA: 28.69 (+1.20s | 4.0%) | Shorefront Ym-Ywha | 01/10/2026 | 2026 MR FREE Freedom Winter Magic | |
| 663 | Alister Carlton | 29.89 | 10 | AA Min | AAA: 28.69 (+1.20s | 4.0%) | Nitro Swimming | 09/26/2026 | 2026 ST NTRO Autumn Classic | |
| 664 | Nathan Zammit | 29.90 | 10 | A Min | AA: 29.89 (+0.01s | 0.0%) | Atlantis Swimming | 02/27/2026 | 2026 MCSA Junior Cup | |
| 665 | Hongjie Xiao | 29.90 | 9 | A Min | AA: 29.89 (+0.01s | 0.0%) | Irvine Novaquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 666 | Nimalan Venkatesan | 29.92 | 10 | A Min | AA: 29.89 (+0.03s | 0.1%) | Glacier Peak | 02/12/2025 | 2025 Northwest District 1 4A Boys HS Champs | |
| 667 | Elliott Root | 29.92 | 9 | A Min | AA: 29.89 (+0.03s | 0.1%) | South Lyon | 02/27/2026 | 2026 LVC Championship | |
| 668 | Troy Cary | 29.92 | 10 | A Min | AA: 29.89 (+0.03s | 0.1%) | Alamo Heights Aquatic Club ? A | 09/20/2026 | 2026 ST AHAC Vs SURGE | |
| 669 | Mateo Cromeyer | 29.92 | 10 | A Min | AA: 29.89 (+0.03s | 0.1%) | Piranhas Aquatic Club | 10/16/2026 | 2026 KING OF THE HILL CHALLENGE | |
| 670 | Oliver Gist-Pitts | 29.92 | 10 | A Min | AA: 29.89 (+0.03s | 0.1%) | Boulder Swim Team | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 671 | Savelii Dorofieiev | 29.93 | 10 | A Min | AA: 29.89 (+0.04s | 0.1%) | Saint Petersburg Aquatics | 10/16/2026 | FRIDAY NITE RACES OCT 2026 | |
| 672 | Reid Kelly | 29.94 | 10 | A Min | AA: 29.89 (+0.05s | 0.2%) | Riptide Swim Team | 10/17/2026 | 2026 CO Alpha Tide High Point Showdown | |
| 673 | Daniel Nelasov | 29.95 | 10 | A Min | AA: 29.89 (+0.06s | 0.2%) | Jersey Wahoos | 11/07/2025 | 2025 Mid Atlantic AG Championship Showdown | |
| 674 | Brody Robertson | 29.96 | 9 | A Min | AA: 29.89 (+0.07s | 0.2%) | Kentridge | 01/10/2026 | 2026 Kentridge High School Invitational Obse | |
| 675 | Adrian Vazquez-Alcaraz | 29.96 | 10 | A Min | AA: 29.89 (+0.07s | 0.2%) | Robert A Long | 01/11/2025 | 2025 Kentridge HS Invitational BOYS OBSERVED | |
| 676 | Jonah Magness | 29.96 | 10 | A Min | AA: 29.89 (+0.07s | 0.2%) | Lebanon | 02/15/2025 | 2025 OR HS 5a 3 | |
| 677 | Maxwell Morgan | 29.96 | 10 | A Min | AA: 29.89 (+0.07s | 0.2%) | SwimRise Aquatics | 09/26/2026 | 2026 SwimRise September Splash | |
| 678 | Ziqian Liu | 29.97 | 9 | A Min | AA: 29.89 (+0.08s | 0.3%) | Tac Titans | 01/16/2026 | 2026 Vector Security Polar Plunge Meet | |
| 679 | Pablo Rodriguez-Hernandez | 29.99 | 10 | A Min | AA: 29.89 (+0.10s | 0.3%) | Stanwood High School | 01/10/2026 | 2026 Kentridge High School Invitational Obse | |
| 680 | Reid Kessel | 29.99 | 10 | A Min | AA: 29.89 (+0.10s | 0.3%) | 757swim | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 681 | Ruben Reyes | 30.00 | 10 | A Min | AA: 29.89 (+0.11s | 0.4%) | Tigard | 02/15/2025 | 2025 OR HS 6A 5 | |
| 682 | Kai Bethel Davis | 30.00 | 10 | A Min | AA: 29.89 (+0.11s | 0.4%) | Willamette High School Swim | 02/14/2025 | 2025 OR HS 6A 7 | |
| 683 | Jeffrey Hill | 30.01 | 10 | A Min | AA: 29.89 (+0.12s | 0.4%) | Saint Andrew\\\\\\'s Aquatics | 03/05/2026 | 2026 FG Age Group SCY Championships | |
| 684 | Otto Peaslee | 30.02 | 10 | A Min | AA: 29.89 (+0.13s | 0.4%) | Wenatchee | 01/11/2025 | 2025 Kentridge HS Invitational BOYS OBSERVED | |
| 685 | Mauricio Valdez Rios | 30.03 | 10 | A Min | AA: 29.89 (+0.14s | 0.5%) | Lindbergh | 02/07/2025 | 2025 KingCo Conference Boys HS Champs | |
| 686 | Miles Harrington | 30.03 | 10 | A Min | AA: 29.89 (+0.14s | 0.5%) | Stanwood High School | 01/11/2025 | 2025 Kentridge HS Invitational BOYS OBSERVED | |
| 687 | Graeme Gorsche | 30.03 | 10 | A Min | AA: 29.89 (+0.14s | 0.5%) | Los Angeles Swim Club | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 688 | Yanbo Li | 30.03 | 10 | A Min | AA: 29.89 (+0.14s | 0.5%) | Bolles School Sharks | 09/13/2026 | 2026 September Splash | |
| 689 | Kai Mihov | 30.03 | 10 | A Min | AA: 29.89 (+0.14s | 0.5%) | Palo Alto Stanford Aquatics | 10/24/2026 | SUNN Fall Classic 2026 | |
| 690 | Holten Lawrence | 30.04 | 10 | A Min | AA: 29.89 (+0.15s | 0.5%) | The Dalles Swim Team | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 691 | Drexton Dorvil | 30.04 | 10 | A Min | AA: 29.89 (+0.15s | 0.5%) | Southwest Stars Swim Club | 03/05/2026 | 2026 Florida Swimming FLAGS NORTH | |
| 692 | Graham Larkin | 30.05 | 10 | A Min | AA: 29.89 (+0.16s | 0.5%) | Moses Lake | 01/11/2025 | 2025 Kentridge HS Invitational BOYS OBSERVED | |
| 693 | Mason Pitts | 30.05 | 9 | A Min | AA: 29.89 (+0.16s | 0.5%) | Kelso | 01/10/2026 | 2026 Kentridge High School Invitational Obse | |
| 694 | Logan Peters | 30.05 | 10 | A Min | AA: 29.89 (+0.16s | 0.5%) | Phoenix | 02/14/2025 | 2025 OR HS 4a 2 | |
| 695 | Brayden Likes | 30.05 | 10 | A Min | AA: 29.89 (+0.16s | 0.5%) | South Medford | 02/13/2026 | 2026 OR HS 6A 7 | |
| 696 | Randall Plaisance | 30.05 | 10 | A Min | AA: 29.89 (+0.16s | 0.5%) | Opelika Swim Team | 10/02/2026 | 2026 Vance Rose Invitational | |
| 697 | James Teta | 30.06 | 10 | A Min | AA: 29.89 (+0.17s | 0.6%) | Long Island Aquatic Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 698 | Philip Rodriguez | 30.06 | 10 | A Min | AA: 29.89 (+0.17s | 0.6%) | Tac Titans | 07/31/2026 | 2026 TAC TITANS Summer Sizzler | |
| 699 | Ike Bearden | 30.07 | 10 | A Min | AA: 29.89 (+0.18s | 0.6%) | Casa Grande High School Swimmi | 04/30/2026 | 2026 Vine League Championships | |
| 700 | Easson Ji | 30.07 | 9 | A Min | AA: 29.89 (+0.18s | 0.6%) | Xtreme Swim Club | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
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.