USA Boys 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 801 | Russell George | 49.55 | 10 | B Min | BB: 49.29 (+0.26s | 0.5%) | Lakeridge Swim Team | 06/20/2025 | Reno Aquatic Club Gamble | |
| 802 | John Griswold | 49.56 | 10 | B Min | BB: 49.29 (+0.27s | 0.5%) | Alameda Gators | 06/20/2025 | Zone 2 Last Chance To AG Champs | |
| 803 | Adam Sherman | 49.56 | 9 | B Min | BB: 49.29 (+0.27s | 0.5%) | Lakewood Ranch Swim Associatio | 06/19/2025 | 2025 Shark Open | |
| 804 | Nicholas Harrold | 49.56 | 9 | B Min | BB: 49.29 (+0.27s | 0.5%) | Pikes Peak Athletics | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 805 | Steven Wang | 49.57 | 10 | B Min | BB: 49.29 (+0.28s | 0.6%) | Wave Aquatics | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | |
| 806 | Leo Ioffe | 49.58 | 9 | B Min | BB: 49.29 (+0.29s | 0.6%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 807 | Lockyer Landry | 49.59 | 9 | B Min | BB: 49.29 (+0.30s | 0.6%) | Treasure Coast Aquatics | 05/23/2025 | 2025 Dr Aspi Doctor Memorial Invitational | |
| 808 | Jack Griego | 49.62 | 8 | B Min | BB: 49.29 (+0.33s | 0.7%) | Waterloo Swimming | 06/22/2025 | 2025 ST WLOO LC Last Chance | |
| 809 | Martin Takats | 49.62 | 8 | B Min | BB: 49.29 (+0.33s | 0.7%) | Quest Swimming | 06/16/2023 | SwimRVA Summer Invitational | |
| 810 | August Speziale | 49.62 | 9 | B Min | BB: 49.29 (+0.33s | 0.7%) | Great Lakes Sailfish Swimming | 06/12/2025 | Holtrey Summer Classic | |
| 811 | Knox Monsivais | 49.65 | 9 | B Min | BB: 49.29 (+0.36s | 0.7%) | Lehi Aquatics | 07/17/2025 | 2025 UTAGS LC Championships | |
| 812 | Hunter Atkins | 49.66 | 9 | B Min | BB: 49.29 (+0.37s | 0.7%) | Palo Alto Stanford Aquatics | 05/30/2025 | VJO S Tuffy Williams Summer Kickoff Classic | |
| 813 | Eli Bywater | 49.68 | 8 | B Min | BB: 49.29 (+0.39s | 0.8%) | South Davis Aquatics Team | 07/17/2025 | 2025 UTAGS LC Championships | |
| 814 | Julian Lee | 49.68 | 8 | B Min | BB: 49.29 (+0.39s | 0.8%) | Unattached | 04/05/2025 | EAJ Spring Into Long Course | |
| 815 | Zane Seifel | 49.70 | 9 | B Min | BB: 49.29 (+0.41s | 0.8%) | Indian River Aquatics | 05/23/2025 | 2025 Dr Aspi Doctor Memorial Invitational | |
| 816 | Sean Ning | 49.72 | 10 | B Min | BB: 49.29 (+0.43s | 0.9%) | YMCA of Central Florida | 06/12/2025 | 2025 RAFC Summer Solstice | |
| 817 | Ico Tamayo | 49.75 | 8 | B Min | BB: 49.29 (+0.46s | 0.9%) | Cali Piranha Swim Team | 07/11/2025 | 2025 SI JBST All Ages NTS Meet | |
| 818 | Aden Sun | 49.78 | 9 | B Min | BB: 49.29 (+0.49s | 1.0%) | Burlingame Aquatics | 06/13/2025 | 2025 CO CSI Long Course Open | |
| 819 | Hugo Morey | 49.79 | 9 | B Min | BB: 49.29 (+0.50s | 1.0%) | North Suburban Aquatic Club | 06/13/2025 | 2025 MN NSAC Summer Slam Invite | |
| 820 | Gage Sena | 49.80 | 9 | B Min | BB: 49.29 (+0.51s | 1.0%) | Lamarlins Swim Team, Inc. | 07/12/2025 | 2025 Canon City Pentathlon | |
| 821 | John Bloom | 49.80 | 8 | B Min | BB: 49.29 (+0.51s | 1.0%) | Sporting Jax Aquatic Club | 07/25/2025 | 2025 Area 1 LCM Championships | |
| 822 | Ezz Abdelhadi | 49.81 | 9 | B Min | BB: 49.29 (+0.52s | 1.0%) | Palo Alto Stanford Aquatics | 05/24/2025 | 2025 Mike Snyder Memorial | |
| 823 | Simon Stapley | 49.85 | 10 | B Min | BB: 49.29 (+0.56s | 1.1%) | Olympus Aquatics | 07/17/2025 | 2025 UTAGS LC Championships | |
| 824 | Yeim Jung | 49.86 | 9 | B Min | BB: 49.29 (+0.57s | 1.1%) | Wave Aquatics | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | |
| 825 | Ford Halvorson | 49.86 | 9 | B Min | BB: 49.29 (+0.57s | 1.1%) | Foxjets Swim Team | 05/03/2025 | 2025 MN RSC Pentathlon | |
| 826 | Caleb Tos | 49.87 | 9 | B Min | BB: 49.29 (+0.58s | 1.2%) | Tule Nation Tritons | 06/21/2025 | 2025 FDST June A B Modified LC Invitational | |
| 827 | Max Peterson | 49.88 | 9 | B Min | BB: 49.29 (+0.59s | 1.2%) | Cottonwood Heights Aquatics | 07/17/2025 | 2025 UTAGS LC Championships | |
| 828 | Thiago Ronda | 49.89 | 7 | B Min | BB: 49.29 (+0.60s | 1.2%) | Swim Florida | 05/23/2025 | 2025 Dr Aspi Doctor Memorial Invitational | |
| 829 | Adam Zamora | 49.89 | 10 | B Min | BB: 49.29 (+0.60s | 1.2%) | La Grande Swim Club | 07/25/2025 | 2025 IES LC CHAMPIONSHIPS | |
| 830 | Cooper Lerch | 49.90 | 7 | B Min | BB: 49.29 (+0.61s | 1.2%) | Stingrays Swim Team | 07/11/2024 | 2024 RAYS Summer Awards | |
| 831 | Roman Milliken | 49.92 | 7 | B Min | BB: 49.29 (+0.63s | 1.3%) | Great Waves Aquatics | 05/10/2025 | 2025 NCAT TYR LC Age Group Open | |
| 832 | Nhat Tran | 49.92 | 9 | B Min | BB: 49.29 (+0.63s | 1.3%) | Olympic Cascade Aquatics | 07/11/2025 | 2025 PN OCA July Jamboree Invitational | |
| 833 | Edward Uvejzovic | 49.94 | 9 | B Min | BB: 49.29 (+0.65s | 1.3%) | Olympus Aquatics | 06/27/2025 | 2nd Annual Water Dragon Open | |
| 834 | Dashel Archer | 49.94 | 9 | B Min | BB: 49.29 (+0.65s | 1.3%) | Evergreen Hurricanes | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 835 | Henry Nesheim | 49.94 | 9 | B Min | BB: 49.29 (+0.65s | 1.3%) | Macedonia Manta Ray Swim Team | 07/12/2025 | LSSC Avon Classic | |
| 836 | Daniel Kalinovski | 49.95 | 9 | B Min | BB: 49.29 (+0.66s | 1.3%) | Otter Swim Club | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 837 | Jaxon Mendoza | 49.97 | 9 | B Min | BB: 49.29 (+0.68s | 1.4%) | San Benito Aquatics | 05/18/2024 | San Benito Aquatics C B A+ | |
| 838 | Emmett Boehm | 49.98 | 9 | B Min | BB: 49.29 (+0.69s | 1.4%) | Lakeshore Swim Club | 07/24/2025 | 2025 LE Age Group And Senior LC Championships | |
| 839 | Benjamin Dussel | 49.98 | 9 | B Min | BB: 49.29 (+0.69s | 1.4%) | Multnomah Athletic Club | 06/06/2025 | 2025 CST Summer Invitational | |
| 840 | Samuel Knific | 50.02 | 9 | B Min | BB: 49.29 (+0.73s | 1.5%) | Lakeshore Swim Club | 06/12/2025 | Holtrey Summer Classic | |
| 841 | Hunter Lind | 50.04 | 8 | B Min | BB: 49.29 (+0.75s | 1.5%) | Wasatch Front Fish Market | 07/17/2025 | 2025 UTAGS LC Championships | |
| 842 | Jerry Chen | 50.05 | 10 | B Min | BB: 49.29 (+0.76s | 1.5%) | Tri-city Channel Cats | 06/06/2025 | 2025 TRI CITY INVITATIONAL | |
| 843 | Oliver Skoubo | 50.05 | 9 | B Min | BB: 49.29 (+0.76s | 1.5%) | River Road Swim Team | 05/02/2025 | 2025 AAA May LC Invitational | |
| 844 | Henry Fredericks | 50.07 | 8 | B Min | BB: 49.29 (+0.78s | 1.6%) | COSA Swimming | 04/26/2025 | 2025 CO COSA Spring LC Kick Off | |
| 845 | Miles Gilbert | 50.08 | 10 | B Min | BB: 49.29 (+0.79s | 1.6%) | Hilltop Aquatic Swim Team | 07/17/2025 | 2025 UTAGS LC Championships | |
| 846 | Jamie Russell | 50.09 | 8 | B Min | BB: 49.29 (+0.80s | 1.6%) | Santa Clara Swim Club | 06/27/2025 | Valley Splash | |
| 847 | Nolan Kanodia | 50.15 | 9 | B Min | BB: 49.29 (+0.86s | 1.7%) | North Suburban Aquatic Club | 06/13/2025 | 2025 MN NSAC Summer Slam Invite | |
| 848 | Adrian Goo | 50.15 | 9 | B Min | BB: 49.29 (+0.86s | 1.7%) | Walnut Creek Aquabears | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | |
| 849 | Adi Bisht | 50.16 | 10 | B Min | BB: 49.29 (+0.87s | 1.7%) | Valley Splash | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 850 | Anzel Annan | 50.17 | 9 | B Min | BB: 49.29 (+0.88s | 1.8%) | Aspire Aquatics of Colorado | 07/25/2025 | 2025 CO CSI Age Group Championships | |
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.