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 | Rex Smith | 21.05 | 6 | AAAA Min | Dakota Riptide | 06/12/2026 | 2026 Splash Central Invitational | ||
| 3 | Jordan Cobb | 30.84 | 8 | AAAA Min | Madison Swimming Association | 05/15/2026 | 2026 Officially Summer Invitational | ||
| 4 | Robert Legg | 33.85 | 10 | AAAA Min | Pleasanton Seahawks | 07/17/2026 | 2026 Adam Szmidt Memorial PC Summer AG Champs | ||
| 5 | Sean Northup | 34.46 | 10 | AAAA Min | Lakeside Swim Team | 07/16/2026 | 2026 Kentucky Swimming LC Championship 2 Co | ||
| 6 | Declan Wang | 34.54 | 10 | AAAA Min | Aquazot Swim Club | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | ||
| 7 | Isen Wolfe | 34.69 | 10 | AAAA Min | Saint Petersburg Aquatics | 07/09/2026 | 2026 FL Summer Age Group Championships | ||
| 8 | Daniil Dontsov | 34.81 | 10 | AAAA Min | Rebel Aquatic Club | 07/23/2026 | 2026 NJ Swim LC Gold Championships | ||
| 9 | Francis Li | 34.88 | 10 | AAAA Min | X-Cel Swimming | 07/23/2026 | 2026 NJ Swim LC Gold Championships | ||
| 10 | Ryan Latronica | 35.27 | 10 | AAAA Min | Hills Hurricane Swimming | 07/30/2026 | Long Course Far Westerns | ||
| 11 | Brayden Weith | 35.46 | 10 | AAAA Min | Unattached | 08/06/2026 | 2026 CZ 14 U Championship Meet MN | ||
| 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 | Trevor Lam | 35.73 | 9 | AAAA Min | Dare Aquatics | 07/23/2026 | 2026 CA SCS RAA Summer A G Champs Copied | ||
| 15 | Rubix Szolusha | 35.78 | 10 | AAAA Min | Santa Clara Swim Club | 07/17/2026 | 2026 Adam Szmidt Memorial PC Summer AG Champs | ||
| 16 | Lucas Gamino | 35.79 | 10 | AAAA Min | Treasure Coast Aquatics | 07/09/2026 | 2026 FL Summer Age Group Championships | ||
| 17 | Alexander Xie | 35.80 | 10 | AAAA Min | Unattached | 07/30/2026 | 2026 CZ 14 U Championship Meet IN | ||
| 18 | Michael Laurence | 35.80 | 9 | AAAA Min | Gulliver Swim Club | 07/16/2026 | 2026 FGC Summer LC Age Group Championships | ||
| 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 | John Umiker | 36.00 | 10 | AAAA Min | Pierre Swim Team | 06/27/2026 | 2026 SD Summer Starter | ||
| 22 | Paxton Goldsborough | 36.03 | 10 | AAAA Min | Academy Swim Club | 07/16/2026 | 2026 HISI LCM Championships | ||
| 23 | Tanner Sagen | 36.15 | 10 | AAAA Min | Old North State Aquatics | 07/16/2026 | 2026 NCS LC AG Championships | ||
| 24 | Luka McGrath | 36.15 | 10 | AAAA Min | Multnomah Athletic Club | 07/05/2025 | Pendleton Open 2025 | ||
| 25 | Arthur Groose | 36.32 | 9 | AAAA Min | Unattached | 08/06/2026 | 2026 CZ 14 U Championship Meet MN | ||
| 26 | Jiye San | 36.33 | 10 | AAAA Min | 07/30/2026 | Long Course Far Westerns | |||
| 27 | Jefferson Chiang | 36.39 | 10 | AAAA Min | Irvine Novaquatics | 06/11/2026 | 2026 SCS June AG Invite | ||
| 28 | Jacob Bao | 36.45 | 10 | AAAA Min | Tac Titans | 07/16/2026 | 2026 NCS LC AG Championships | ||
| 29 | Mason Ryu | 36.45 | 10 | AAAA Min | Klg Sports Swim Team | 06/11/2026 | ARMADA 2026 SCS June AG Invite | ||
| 30 | Holten Lawrence | 36.50 | 10 | AAAA Min | The Dalles Swim Team | 08/01/2026 | 2026 LA Summer Sunset | ||
| 31 | Sebastian Hunte | 36.50 | 10 | AAAA Min | Rec-Plex Sharks | 05/29/2026 | 2026 Meet Me In St Louis Invite | ||
| 32 | Christian Briscoe | 36.52 | 10 | AAAA Min | Marlins Of Raleigh | 07/16/2026 | 2026 NCS LC AG Championships | ||
| 33 | Isaac Dai | 36.53 | 9 | AAAA Min | Mission Viejo Nadadores | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | ||
| 34 | William Palumbo | 36.58 | 10 | AAAA Min | Nova of Virginia | 06/11/2026 | NOVA 2026 Virginia Commonwealth Games | ||
| 35 | Isaac Chapman | 36.62 | 10 | AAAA Min | SwimRVA | 07/16/2026 | 2026 Virginia Swimming LC Age Group Champions | ||
| 36 | Jiaqian Ma | 36.66 | 9 | AAAA Min | 07/30/2026 | Long Course Far Westerns | |||
| 37 | Sebastien Gallant | 36.71 | 10 | AAAA Min | Tuna Swim Club | 05/28/2026 | 2026 MN WOLF HUFF N PUFF INVITE | ||
| 38 | Christopher Buente | 36.78 | 10 | AAAA Min | Lakeside Swim Team | 07/16/2026 | 2026 Kentucky Swimming LC Championship 2 Co | ||
| 39 | Jaden Dao | 36.79 | 9 | AAAA Min | Dare Aquatics | 06/11/2026 | ARMADA 2026 SCS June AG Invite | ||
| 40 | Aaron Niu | 36.82 | 10 | AAAA Min | Flying Fish Swim Club | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | ||
| 41 | Raymond Ryser | 36.83 | 10 | AAAA Min | Unattached | 08/06/2026 | 2026 CZ 14 U Championship Meet MN | ||
| 42 | Jack Armbruster | 36.85 | 10 | AAAA Min | San Clemente Aquatic Team | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | ||
| 43 | Andrew Branach | 36.88 | 10 | AAAA Min | Bergen Barracudas Swim Team | 07/23/2026 | 2026 NJ Swim LC Gold Championships | ||
| 44 | Nolan Robertson | 36.89 | 10 | AAAA Min | Lakeside Swim Team | 07/16/2026 | 2026 Kentucky Swimming LC Championship 2 Co | ||
| 45 | Lukas Bell | 36.94 | 10 | AAAA Min | SwimRVA | 05/29/2026 | 2026 SwimRVA Success Bell | ||
| 46 | Tanner Sagen | 37.19 | 10 | AAA Min | AAAA: 36.99 (+0.20s | 0.5%) | Unattached | 05/15/2026 | 2026 EAC Memorial Invite | |
| 47 | Luke Harriger | 37.25 | 10 | AAA Min | AAAA: 36.99 (+0.26s | 0.7%) | Lima Family YMCA Swim Team | 07/23/2026 | 2026 OH LC Junior Championships | |
| 48 | Benjamin Balmaceda | 37.26 | 10 | AAA Min | AAAA: 36.99 (+0.27s | 0.7%) | Alamo Heights Aquatic Club ? A | 06/11/2026 | 2026 ST NIST George Block Invitational | |
| 49 | Jorden Li | 37.31 | 10 | AAA Min | AAAA: 36.99 (+0.32s | 0.9%) | Arctic Aquatics | 05/08/2026 | 2026 NE CRA MIT Team Specialty LC Meet | |
| 50 | Andrew Sun | 37.32 | 9 | AAA Min | AAAA: 36.99 (+0.33s | 0.9%) | Unattached | 07/30/2026 | 2026 CZ 14 U Championship Meet IN | |
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.