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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1101 | Nicolas Martinez | 31.43 | 10 | BB Min | A: 31.09 (+0.34s | 1.1%) | Nova of Virginia | 10/24/2025 | NOVA Halloween Haunt | |
| 1102 | Hayden Justice | 31.43 | 10 | BB Min | A: 31.09 (+0.34s | 1.1%) | SwimMAC Carolina | 03/20/2026 | 2026 SwimMAC Tar Heel States | |
| 1103 | Mark Kiselev | 31.43 | 9 | BB Min | A: 31.09 (+0.34s | 1.1%) | Royal Swim Team | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 1104 | Atticus Kime | 31.43 | 10 | BB Min | A: 31.09 (+0.34s | 1.1%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 1105 | Yanbo Li | 31.43 | 9 | BB Min | A: 31.09 (+0.34s | 1.1%) | Bolles School Sharks | 02/20/2026 | 2026 Area 1 Spring Championships | |
| 1106 | Brayden Li | 31.44 | 9 | BB Min | A: 31.09 (+0.35s | 1.1%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 1107 | Joshua Morris | 31.44 | 10 | BB Min | A: 31.09 (+0.35s | 1.1%) | Shorewood | 02/15/2025 | 2025 OR HS 6A 3 | |
| 1108 | Aldar Khamutaev | 31.45 | 9 | BB Min | A: 31.09 (+0.36s | 1.1%) | Matchpoint Nyc | 01/16/2026 | 2026 MR LIE Winterfest Invitational | |
| 1109 | Charlie Rippy | 31.45 | 10 | BB Min | A: 31.09 (+0.36s | 1.1%) | Moses Lake | 01/11/2025 | 2025 Kentridge HS Invitational BOYS OBSERVED | |
| 1110 | Brody Carter | 31.45 | 10 | BB Min | A: 31.09 (+0.36s | 1.1%) | Caldera | 02/14/2025 | 2025 OR HS 5a 4 | |
| 1111 | Yining Zhao | 31.46 | 10 | BB Min | A: 31.09 (+0.37s | 1.2%) | Tac Titans | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 1112 | Maddox Winegar | 31.46 | 9 | BB Min | A: 31.09 (+0.37s | 1.2%) | Bloomington Normal Swim Club | 03/26/2026 | Destination Athlete Centennial Invite 2026 | |
| 1113 | Fletcher Baral | 31.46 | 10 | BB Min | A: 31.09 (+0.37s | 1.2%) | Saint Andrew\\\\\\'s Aquatics | 10/11/2025 | Quadtober Challenge | |
| 1114 | Oliver Monroe | 31.47 | 10 | BB Min | A: 31.09 (+0.38s | 1.2%) | Royal Swimming | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 1115 | Joshua Lowery | 31.47 | 10 | BB Min | A: 31.09 (+0.38s | 1.2%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 10/26/2025 | Lisa Ferris Fall Festival Time Trial 2025 | |
| 1116 | Jigdel Wangchuk | 31.47 | 9 | BB Min | A: 31.09 (+0.38s | 1.2%) | Twisters Swim Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 1117 | Chayton Zhou | 31.48 | 9 | BB Min | A: 31.09 (+0.39s | 1.2%) | Pleasanton Seahawks | 03/20/2026 | SCY Spring Age Group Championships | |
| 1118 | Leo Mercier | 31.48 | 10 | BB Min | A: 31.09 (+0.39s | 1.2%) | Egra Waves | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 1119 | Kai Thomas | 31.48 | 10 | BB Min | A: 31.09 (+0.39s | 1.2%) | Renegade Aquatics | 07/10/2026 | 2026 SI JBST All Ages Last Chance Meet | |
| 1120 | Owen Vaiana | 31.48 | 9 | BB Min | A: 31.09 (+0.39s | 1.2%) | Michigan Lakeshore Aquatics | 10/17/2025 | 2025 WMS Boo Bash | |
| 1121 | Zackary Gromowski | 31.49 | 9 | BB Min | A: 31.09 (+0.40s | 1.3%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 1122 | Connor Finan | 31.49 | 9 | BB Min | A: 31.09 (+0.40s | 1.3%) | Atlantic Coast Athletic Club | 03/12/2026 | 2026 Virginia Swimming SC Age Group Champions | |
| 1123 | Axel Wortman | 31.49 | 10 | BB Min | A: 31.09 (+0.40s | 1.3%) | Bozeman Barracudas Swim Team | 12/04/2025 | 2025 Holiday Swim Festival | |
| 1124 | Leo Collar | 31.50 | 9 | BB Min | A: 31.09 (+0.41s | 1.3%) | Hurricane Penguins Swim Club | 02/14/2026 | 2026 Best ValenTimes Meet | |
| 1125 | William Foryth | 31.50 | 10 | BB Min | A: 31.09 (+0.41s | 1.3%) | McDaniel | 02/12/2025 | 2025 OR HS 6A 1 | |
| 1126 | Kyle Whitley | 31.50 | 10 | BB Min | A: 31.09 (+0.41s | 1.3%) | Fast Falcons | 03/05/2026 | 2026 Florida Swimming FLAGS NORTH | |
| 1127 | Robert Mulder | 31.51 | 10 | BB Min | A: 31.09 (+0.42s | 1.3%) | Badger Swim Club,Inc. | 12/11/2025 | 2025 Katie Ledecky Invitational | |
| 1128 | Forest Hastings | 31.51 | 10 | BB Min | A: 31.09 (+0.42s | 1.3%) | Roseburg | 02/13/2026 | 2026 OR HS 6A 7 | |
| 1129 | Marcus Kalmi | 31.51 | 10 | BB Min | A: 31.09 (+0.42s | 1.3%) | Riptide Swim Team | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 1130 | Preston Kerchusky | 31.51 | 10 | BB Min | A: 31.09 (+0.42s | 1.3%) | Boise YMCA Swim Team | 12/20/2025 | 2025 BY Candy Cane Invitational | |
| 1131 | Aiden Gordon | 31.52 | 9 | BB Min | A: 31.09 (+0.43s | 1.4%) | Monroe-Woodbury Devilfish Aqua | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 1132 | Carson Youngren | 31.53 | 9 | BB Min | A: 31.09 (+0.44s | 1.4%) | Rochester Stoney Creek | 02/25/2026 | 2026 Boys OAA Red Division Championships | |
| 1133 | Lucca Belluco | 31.53 | 10 | BB Min | A: 31.09 (+0.44s | 1.4%) | Marlins Of Raleigh | 07/12/2026 | 2026 MOR Intrasquad Meet | |
| 1134 | Levi Rose | 31.53 | 10 | BB Min | A: 31.09 (+0.44s | 1.4%) | Cavalier Aquatics/Piedmont Fam | 11/08/2025 | CA Y Tri Meet | |
| 1135 | Lucius Leven | 31.53 | 10 | BB Min | A: 31.09 (+0.44s | 1.4%) | Alamo Area Aquatic Association | 02/20/2026 | 2026 ST AAAA SC STAGS | |
| 1136 | Lawson Kroon | 31.53 | 10 | BB Min | A: 31.09 (+0.44s | 1.4%) | Pierre Swim Team | 02/20/2026 | 2026 SD 12 Under Short Course State A Champ | |
| 1137 | Michael Cheng | 31.54 | 9 | BB Min | A: 31.09 (+0.45s | 1.4%) | Brea Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 1138 | Benjamin Wei | 31.55 | 9 | BB Min | A: 31.09 (+0.46s | 1.5%) | Long Island Aquatic Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 1139 | Thanh Tran | 31.55 | 10 | BB Min | A: 31.09 (+0.46s | 1.5%) | Olympic Cascade Aquatics | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 1140 | Matias Hosein | 31.55 | 10 | BB Min | A: 31.09 (+0.46s | 1.5%) | Gulliver Swim Club | 02/20/2026 | 2026 FG SCY BB Championships SOUTH | |
| 1141 | Marcello Rinaldi | 31.55 | 10 | BB Min | A: 31.09 (+0.46s | 1.5%) | Minnetonka Swim Club | 01/30/2026 | 2026 MN MTKA TYR Team Challenge | |
| 1142 | Samuel Fuetsch | 31.55 | 9 | BB Min | A: 31.09 (+0.46s | 1.5%) | Tac Titans | 03/24/2026 | 2026 TAC TITANS March Intrasquad Meet | |
| 1143 | Russell Dsouza | 31.56 | 10 | BB Min | A: 31.09 (+0.47s | 1.5%) | Club Wolverine | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 1144 | Kyle Matus | 31.56 | 10 | BB Min | A: 31.09 (+0.47s | 1.5%) | Belleville High School | 02/26/2026 | 2026 KLAA B Conference Swim Meet | |
| 1145 | Jacob Bowles | 31.57 | 9 | BB Min | A: 31.09 (+0.48s | 1.5%) | Caldera | 02/13/2026 | 2026 OR HS 5A 4 | |
| 1146 | Evan Liu | 31.57 | 10 | BB Min | A: 31.09 (+0.48s | 1.5%) | Flying Fish Swim Club | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 1147 | Lucas Li | 31.57 | 10 | BB Min | A: 31.09 (+0.48s | 1.5%) | Dedham Health Hydra | 08/06/2026 | 2026 NE LA August SCY Invitational | |
| 1148 | Cole Nicholson | 31.58 | 10 | BB Min | A: 31.09 (+0.49s | 1.6%) | Empire Swimming | 07/30/2026 | 2026 NE CRA Prelim Final SCY Meet | |
| 1149 | Jackson Rodebaugh | 31.58 | 10 | BB Min | A: 31.09 (+0.49s | 1.6%) | YMCA Cadillac Currents | 02/15/2026 | 2026 MTSL Championship | |
| 1150 | Edward Harris | 31.58 | 8 | BB Min | A: 31.09 (+0.49s | 1.6%) | Long Island Aquatic Club | 03/13/2026 | 2026 MR SC Junior Metropolitan 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.