USA Boys 10 & under - 50 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1201 | Kellen Tao | 39.23 | 9 | BB Min | A: 37.59 (+1.64s | 4.2%) | Olympic Cascade Aquatics | 10/16/2026 | 2026 PN VAST Fall Classic Invite Approved | |
| 1202 | Luca Axente | 39.23 | 10 | BB Min | A: 37.59 (+1.64s | 4.2%) | Dynamo Swim Club | 03/06/2026 | Speedo Southern Premier | |
| 1203 | Watson She | 39.23 | 10 | BB Min | A: 37.59 (+1.64s | 4.2%) | Bellevue Club Swim Team | 10/03/2026 | 2026 PN CSC Fall Classic Invitational Approve | |
| 1204 | Zuriel Cariazo | 39.24 | 10 | BB Min | A: 37.59 (+1.65s | 4.2%) | Montrose Marlins Swim Club | 06/27/2026 | 2026 CO Montrose Marlins Summer Open | |
| 1205 | Leo Beaver | 39.24 | 10 | BB Min | A: 37.59 (+1.65s | 4.2%) | Portland Aquatic Club | 09/26/2026 | FGSC 2026 Season Opener Pentathlon | |
| 1206 | Beckett Macmillan | 39.25 | 10 | BB Min | A: 37.59 (+1.66s | 4.2%) | Oly Swimming | 01/10/2026 | 2026 PA Invite | |
| 1207 | Noah Block | 39.25 | 9 | BB Min | A: 37.59 (+1.66s | 4.2%) | Team Suffolk | 12/11/2025 | 2025 MR HAUP Eagle Invitational | |
| 1208 | Landon Gura | 39.25 | 10 | BB Min | A: 37.59 (+1.66s | 4.2%) | North Coast Aquatics | 11/08/2025 | HSA All Ages NTS | |
| 1209 | Marcus Pass | 39.25 | 10 | BB Min | A: 37.59 (+1.66s | 4.2%) | Sioux Falls Swim Team | 10/10/2026 | 2026 SFST SD Swim Series Meet #1 | |
| 1210 | Paxton Coggins | 39.26 | 9 | BB Min | A: 37.59 (+1.67s | 4.3%) | Y-Spartaquatics Swim Club | 01/16/2026 | 2026 TNAQ JANUARY INVITATIONAL | |
| 1211 | Bennett Brunow | 39.26 | 9 | BB Min | A: 37.59 (+1.67s | 4.3%) | Findlay YMCA Frogs | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1212 | Samuel Scalvini | 39.26 | 10 | BB Min | A: 37.59 (+1.67s | 4.3%) | Marlins Of Raleigh | 02/13/2026 | Speedo 2026 MOR Short Course Qualifier Meet | |
| 1213 | William Frohnen | 39.26 | 9 | BB Min | A: 37.59 (+1.67s | 4.3%) | San Ramon Valley Aquatics | 09/19/2026 | PC LAC C B BB 26 Copied | |
| 1214 | Maxim Tedtoev | 39.26 | 9 | BB Min | A: 37.59 (+1.67s | 4.3%) | SwimRight Team | 10/10/2026 | NMST BMHG October Invite 26 | |
| 1215 | Timothy Chung | 39.27 | 10 | BB Min | A: 37.59 (+1.68s | 4.3%) | Long Island Aquatic Club | 01/30/2026 | 2026 MR SSC Polar Bear Plunge | |
| 1216 | Joseph Gallagher | 39.27 | 10 | BB Min | A: 37.59 (+1.68s | 4.3%) | Egra Waves | 03/07/2026 | 2026 Lake Michigan Regional Meet | |
| 1217 | Sebastian Bezboruah | 39.27 | 10 | BB Min | A: 37.59 (+1.68s | 4.3%) | Com Aquatics | 11/14/2025 | 2025 ST AAAA AH PW NC Invite | |
| 1218 | Caleb Gray | 39.27 | 9 | BB Min | A: 37.59 (+1.68s | 4.3%) | Santa Clara Swim Club | 09/19/2026 | 2026 Milpitas Aquatic Club Season Kick Off | |
| 1219 | Zai Russell | 39.27 | 10 | BB Min | A: 37.59 (+1.68s | 4.3%) | Sarasota Sharks | 09/18/2026 | 2026 Sharks IMX Challenge | |
| 1220 | Vincent Fang | 39.27 | 10 | BB Min | A: 37.59 (+1.68s | 4.3%) | Nitro Swimming | 09/26/2026 | 2026 ST NTRO Autumn Classic | |
| 1221 | DeMario Greer | 39.27 | 10 | BB Min | A: 37.59 (+1.68s | 4.3%) | Saluki Swim Club | 10/10/2026 | 2026 Saluki Swim Your Own Age | |
| 1222 | Connor Lee | 39.28 | 8 | BB Min | A: 37.59 (+1.69s | 4.3%) | Condors Swim Club | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 1223 | Thomas Halford | 39.28 | 10 | BB Min | A: 37.59 (+1.69s | 4.3%) | Pikes Peak Athletics | 02/20/2026 | 2026 CO PPA February Frenzy Last Chance Meet | |
| 1224 | Henry Jarchow | 39.28 | 9 | BB Min | A: 37.59 (+1.69s | 4.3%) | St Croix Swim Club | 10/04/2026 | 2026 MN AQJT Shootout Invite | |
| 1225 | Kingston Smith | 39.28 | 10 | BB Min | A: 37.59 (+1.69s | 4.3%) | Parkway-Rockwood Gateway Swim | 03/07/2026 | 2026 GTWY 8 Under Champs | |
| 1226 | Duncan Kirby | 39.29 | 9 | BB Min | A: 37.59 (+1.70s | 4.3%) | Fort Meigs YMCA Stingrays | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1227 | Thomas Roscetti | 39.29 | 10 | BB Min | A: 37.59 (+1.70s | 4.3%) | Nation\\\\\\'s Capital Swim Club | 02/13/2026 | 2026 ASA President S Day Classic | |
| 1228 | Thomas Prochazka | 39.29 | 10 | BB Min | A: 37.59 (+1.70s | 4.3%) | East Coast Aquatic Team | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 1229 | Anderson Christopherson | 39.29 | 9 | BB Min | A: 37.59 (+1.70s | 4.3%) | YMCA of the Triangle Area Swim | 03/19/2026 | 2026 USRY Short Course Champs | |
| 1230 | Diego Aguirre | 39.29 | 10 | BB Min | A: 37.59 (+1.70s | 4.3%) | El Paso Aqua Posse | 10/17/2026 | 2026 BD SWAToberfest Sprintacular | |
| 1231 | Ryan Lee | 39.29 | 10 | BB Min | A: 37.59 (+1.70s | 4.3%) | Highlands Ranch Aquatics | 02/20/2026 | 2026 CO PPA February Frenzy Last Chance Meet | |
| 1232 | William Martzke | 39.30 | 10 | BB Min | A: 37.59 (+1.71s | 4.4%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 01/16/2026 | 2026 Odd Age Classic | |
| 1233 | Kristopher Odom | 39.30 | 9 | BB Min | A: 37.59 (+1.71s | 4.4%) | Upper Valley Aquatic Club | 01/30/2026 | 2026 NE UVAC Silvers | |
| 1234 | Ernest Cline | 39.30 | 10 | BB Min | A: 37.59 (+1.71s | 4.4%) | Prime Aquatics | 10/17/2026 | 2026 MCC October Invite Copied | |
| 1235 | Lincoln Flynn | 39.31 | 9 | BB Min | A: 37.59 (+1.72s | 4.4%) | Nation\\\\\\'s Capital Swim Club | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 1236 | Christian Hebron | 39.31 | 9 | BB Min | A: 37.59 (+1.72s | 4.4%) | Prince William Swim Club | 02/13/2026 | 2026 Northern District 12 Under Championship | |
| 1237 | Banyan Stillinger | 39.32 | 9 | BB Min | A: 37.59 (+1.73s | 4.4%) | Oregon City | 02/13/2026 | 2026 OR HS 6A 5 | |
| 1238 | Mason Sovich | 39.32 | 10 | BB Min | A: 37.59 (+1.73s | 4.4%) | Olympic Cascade Aquatics | 02/27/2026 | 2026 PN Feb Age Group Invite,Div 3 Approved | |
| 1239 | Charles Tan | 39.32 | 10 | BB Min | A: 37.59 (+1.73s | 4.4%) | Eastside Aquatic Swim Team | 04/18/2026 | 2026 PN MMSC Marlins Madness Approved | |
| 1240 | Patrick Yuan | 39.33 | 10 | BB Min | A: 37.59 (+1.74s | 4.4%) | Long Island Aquatic Club | 02/20/2026 | 2026 MR Silvers Championship South HAUP | |
| 1241 | Levi Swift | 39.33 | 8 | BB Min | A: 37.59 (+1.74s | 4.4%) | Northwest Georgia Aquatics | 01/09/2026 | 2026 MCC January Invite | |
| 1242 | Kolten Graver | 39.33 | 10 | BB Min | A: 37.59 (+1.74s | 4.4%) | Life Time Colorado Swim Club | 09/26/2026 | 2026 CO Gregg Gracheck Memorial | |
| 1243 | Austin Volz | 39.33 | 9 | BB Min | A: 37.59 (+1.74s | 4.4%) | Nitro Swimming | 10/18/2026 | 2026 ST TXLA 10 U Fall Kick Off Invite | |
| 1244 | Erik Ang | 39.33 | 10 | BB Min | A: 37.59 (+1.74s | 4.4%) | EL Paso Border Land Swim Team | 02/13/2026 | 2026 BD Arctic BLAST Swim Meet | |
| 1245 | Finley Martus | 39.34 | 9 | BB Min | A: 37.59 (+1.75s | 4.4%) | South Lyon Aquatics | 02/27/2026 | 2026 Junior Cup | |
| 1246 | Ian Zhang | 39.34 | 10 | BB Min | A: 37.59 (+1.75s | 4.4%) | Apex | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 1247 | Jake Revelli | 39.34 | 10 | BB Min | A: 37.59 (+1.75s | 4.4%) | Wolverine Aquatics | 03/06/2026 | 2026 SNS 14 Under Short Course Championships | |
| 1248 | William Nolte | 39.35 | 10 | BB Min | A: 37.59 (+1.76s | 4.5%) | Black Hawk Area Swim Team | 01/09/2026 | 2026 MN FOXJ Winter Classic | |
| 1249 | Gregory Rucker | 39.35 | 10 | BB Min | A: 37.59 (+1.76s | 4.5%) | Firestone Akron Swim Team | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1250 | Everett Lan | 39.36 | 8 | BB Min | A: 37.59 (+1.77s | 4.5%) | Asphalt Green Unified Aquatics | 11/07/2025 | 2025 MR LIE Fall Classic Invitational | |
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.