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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Oliver Bao | 17.92 | 10 | AAAA Min | Seattle Metropolitan Aquatic C | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | ||
| 2 | Finn Reimers | 20.05 | 10 | AAAA Min | Pierre Swim Team | 06/28/2025 | 2025 SD Summer Starter | ||
| 3 | Rex Smith | 21.05 | 6 | AAAA Min | Dakota Riptide | 06/12/2026 | 2026 Splash Central Invitational | ||
| 4 | Jordan Cobb | 30.84 | 7 | AAAA Min | Madison Swimming Association | 05/15/2026 | 2026 Officially Summer Invitational | ||
| 5 | Hoshi Aono | 33.67 | 10 | AAAA Min | Aquazot Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | ||
| 6 | Robert Legg | 33.85 | 10 | AAAA Min | Pleasanton Seahawks | 07/17/2026 | 2026 Adam Szmidt Memorial PC Summer AG Champs | ||
| 7 | Sean Northup | 34.46 | 10 | AAAA Min | Lakeside Swim Team | 07/16/2026 | 2026 Kentucky Swimming LC Championship 2 Co | ||
| 8 | Declan Wang | 34.54 | 10 | AAAA Min | Aquazot Swim Club | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | ||
| 9 | Isen Wolfe | 34.69 | 10 | AAAA Min | Saint Petersburg Aquatics | 07/09/2026 | 2026 FL Summer Age Group Championships | ||
| 10 | Atticus Hendricks-Smith | 34.72 | 10 | AAAA Min | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | ||
| 11 | Ryan Latronica | 35.27 | 10 | AAAA Min | Hills Hurricane Swimming | 07/30/2026 | Long Course Far Westerns | ||
| 12 | Sunyul Park | 35.54 | 10 | AAAA Min | C.M. Gatton Beaumont YMCA | 07/16/2026 | 2026 Kentucky Swimming LC Championship 2 Co | ||
| 13 | Owen Johnson | 35.66 | 10 | AAAA Min | Unattached | 07/30/2026 | 2026 CZ 14 U Championship Meet IN | ||
| 14 | Sinan Ozgur | 35.68 | 10 | AAAA Min | Pleasanton Seahawks | 07/17/2026 | 2026 Adam Szmidt Memorial PC Summer AG Champs | ||
| 15 | Trevor Lam | 35.73 | 9 | AAAA Min | Dare Aquatics | 07/23/2026 | 2026 CA SCS RAA Summer A G Champs Copied | ||
| 16 | Rubix Szolusha | 35.78 | 10 | AAAA Min | Santa Clara Swim Club | 07/17/2026 | 2026 Adam Szmidt Memorial PC Summer AG Champs | ||
| 17 | Lucas Gamino | 35.79 | 9 | AAAA Min | Treasure Coast Aquatics | 07/09/2026 | 2026 FL Summer Age Group Championships | ||
| 18 | Alexander Xie | 35.80 | 10 | AAAA Min | Unattached | 07/30/2026 | 2026 CZ 14 U Championship Meet IN | ||
| 19 | Alexander Kovnatsky | 35.91 | 10 | AAAA Min | Orinda Aquatics | 07/30/2026 | Long Course Far Westerns | ||
| 20 | Lennox Luning | 35.92 | 10 | AAAA Min | Naval Academy Aquatic Club | 07/29/2026 | 2026 MD LSC LC Championship | ||
| 21 | Marco Sun | 35.94 | 10 | AAAA Min | Pleasanton Seahawks | 07/30/2026 | Long Course Far Westerns | ||
| 22 | Jonathan Nelson | 35.96 | 10 | AAAA Min | Utah Zone Team | 08/05/2026 | 2026 Western Zone Age Group Championships | ||
| 23 | John Umiker | 36.00 | 10 | AAAA Min | Pierre Swim Team | 06/27/2026 | 2026 SD Summer Starter | ||
| 24 | Paxton Goldsborough | 36.03 | 10 | AAAA Min | Academy Swim Club | 07/16/2026 | 2026 HISI LCM Championships | ||
| 25 | James Martin | 36.14 | 10 | AAAA Min | Nova of Virginia | 05/15/2026 | NOVA Spring Splash | ||
| 26 | Luka McGrath | 36.15 | 10 | AAAA Min | Multnomah Athletic Club | 07/05/2025 | Pendleton Open 2025 | ||
| 27 | Tanner Sagen | 36.15 | 10 | AAAA Min | Old North State Aquatics | 07/16/2026 | 2026 NCS LC AG Championships | ||
| 28 | Everett Vollmer | 36.25 | 10 | AAAA Min | Unattached | 07/30/2026 | 2026 CZ 14 U Championship Meet IN | ||
| 29 | Jiye San | 36.33 | 10 | AAAA Min | 07/30/2026 | Long Course Far Westerns | |||
| 30 | Michael Laurence | 36.36 | 9 | AAAA Min | Gulliver Swim Club | 06/17/2026 | Swim Fort Lauderdale Speedo Summer Classic 26 | ||
| 31 | Steve Guo | 36.36 | 10 | AAAA Min | Tac Titans | 07/16/2026 | 2026 NCS LC AG Championships | ||
| 32 | David Goldenberg | 36.39 | 10 | AAAA Min | Bellevue Club Swim Team | 07/23/2026 | 2026 PN LC 12 U Championships Approved | ||
| 33 | Jefferson Chiang | 36.39 | 10 | AAAA Min | Irvine Novaquatics | 06/11/2026 | 2026 SCS June AG Invite | ||
| 34 | Mason Ryu | 36.45 | 10 | AAAA Min | Klg Sports Swim Team | 06/11/2026 | ARMADA 2026 SCS June AG Invite | ||
| 35 | Jacob Bao | 36.45 | 10 | AAAA Min | Tac Titans | 07/16/2026 | 2026 NCS LC AG Championships | ||
| 36 | Sebastian Hunte | 36.50 | 10 | AAAA Min | Rec-Plex Sharks | 05/29/2026 | 2026 Meet Me In St Louis Invite | ||
| 37 | Holten Lawrence | 36.50 | 10 | AAAA Min | The Dalles Swim Team | 08/01/2026 | 2026 LA Summer Sunset | ||
| 38 | Christian Briscoe | 36.52 | 10 | AAAA Min | Marlins Of Raleigh | 07/16/2026 | 2026 NCS LC AG Championships | ||
| 39 | Isaac Dai | 36.53 | 9 | AAAA Min | Mission Viejo Nadadores | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | ||
| 40 | William Palumbo | 36.58 | 10 | AAAA Min | Nova of Virginia | 06/11/2026 | NOVA 2026 Virginia Commonwealth Games | ||
| 41 | Shawn Wu | 36.61 | 10 | AAAA Min | Brea Aquatics | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | ||
| 42 | Isaac Chapman | 36.62 | 10 | AAAA Min | SwimRVA | 07/16/2026 | 2026 Virginia Swimming LC Age Group Champions | ||
| 43 | Jiaqian Ma | 36.66 | 9 | AAAA Min | 07/30/2026 | Long Course Far Westerns | |||
| 44 | Sebastien Gallant | 36.71 | 10 | AAAA Min | Tuna Swim Club | 05/28/2026 | 2026 MN WOLF HUFF N PUFF INVITE | ||
| 45 | Christopher Buente | 36.78 | 10 | AAAA Min | Lakeside Swim Team | 07/16/2026 | 2026 Kentucky Swimming LC Championship 2 Co | ||
| 46 | Jaden Dao | 36.79 | 9 | AAAA Min | Dare Aquatics | 06/11/2026 | ARMADA 2026 SCS June AG Invite | ||
| 47 | Grant Geisler | 36.80 | 10 | AAAA Min | Huntsville Swim Association | 07/17/2026 | 2026 SE Southeastern Summer LC Championships | ||
| 48 | Patrick Liu | 36.80 | 10 | AAAA Min | Tac Titans | 05/15/2026 | 2026 TAC TITANS Spring Fling Meet | ||
| 49 | Aaron Niu | 36.82 | 10 | AAAA Min | Flying Fish Swim Club | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | ||
| 50 | Luke Sweetser | 36.84 | 10 | AAAA Min | Columbia Aquatics Association | 04/17/2026 | 2026 CAC Spring Swimming To The 80's LCM Sw | ||
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.