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 | |
|---|---|---|---|---|---|---|---|---|---|
| 2201 | James Xiao | 50.49 | 9 | B Min | BB: 49.29 (+1.20s | 2.4%) | Otter Swim Club | 06/12/2026 | 2026 DACA LC CBA Meet | |
| 2202 | Wesley Lotano | 50.49 | 8 | B Min | BB: 49.29 (+1.20s | 2.4%) | Jupiter Dragons Swim Team | 06/13/2026 | 2026 TCA Aaron Vaughn Memorial | |
| 2203 | Xavier Anderson | 50.50 | 9 | B Min | BB: 49.29 (+1.21s | 2.4%) | Albany Aquatic Association | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 2204 | Leo Labay | 50.50 | 10 | B Min | BB: 49.29 (+1.21s | 2.4%) | YMCA of Austin Swim Alliance | 04/19/2026 | 2026 ST TXLA 10 U Long Course Kick Off | |
| 2205 | Blake Beaver | 50.51 | 9 | B Min | BB: 49.29 (+1.22s | 2.4%) | Rutherford County Swim Team | 06/26/2026 | Sharks Aquatic Club Last Chance Qualifier | |
| 2206 | Elliott Segerson | 50.51 | 9 | B Min | BB: 49.29 (+1.22s | 2.4%) | Columbia Aquatics Association | 04/17/2026 | 2026 CAC Spring Swimming To The 80's LCM Sw | |
| 2207 | Colby Boylan | 50.51 | 8 | B Min | BB: 49.29 (+1.22s | 2.4%) | Castle Rock Swimming | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 2208 | Nathaniel Kunzi | 50.51 | 10 | B Min | BB: 49.29 (+1.22s | 2.4%) | Swim Melbourne | 06/13/2026 | 2026 TCA Aaron Vaughn Memorial | |
| 2209 | William Goodrich | 50.51 | 7 | B Min | BB: 49.29 (+1.22s | 2.4%) | Denver Swim Academy | 06/26/2026 | 2026 CO Zone 2 District Meet DU | |
| 2210 | Mark Ilin | 50.52 | 10 | B Min | BB: 49.29 (+1.23s | 2.4%) | Apex | 06/05/2026 | 2026 CST Summer Invitational | |
| 2211 | Calvin Sorrell | 50.52 | 8 | B Min | BB: 49.29 (+1.23s | 2.4%) | 757swim | 06/11/2026 | NOVA 2026 Virginia Commonwealth Games | |
| 2212 | Alejandro Rigual Osorno | 50.52 | 10 | B Min | BB: 49.29 (+1.23s | 2.4%) | Fast Falcons | 06/25/2026 | 2026 FAST Independence Invitational | |
| 2213 | Owen Hayes | 50.53 | 10 | B Min | BB: 49.29 (+1.24s | 2.5%) | Hills Hurricane Swimming | 06/13/2026 | Orinda PC LC AG C B BB+ | |
| 2214 | William MacPhail | 50.53 | 10 | B Min | BB: 49.29 (+1.24s | 2.5%) | Edina Swim Club | 05/03/2026 | 2026 MN SEMS LC Invite | |
| 2215 | Bohdan Tereshchenko | 50.54 | 10 | B Min | BB: 49.29 (+1.25s | 2.5%) | South Florida Aquatic Club | 06/26/2026 | June Central Park Series | |
| 2216 | Breydan Maumausolo-Sale | 50.54 | 8 | B Min | BB: 49.29 (+1.25s | 2.5%) | Kamehameha Swim Club | 07/03/2026 | 2026 Keo Nakama Swim Meet | |
| 2217 | Lincoln Wiley | 50.56 | 9 | B Min | BB: 49.29 (+1.27s | 2.5%) | Front Range Barracudas | 05/23/2026 | 2026 CO CUDA Vs AQUA Dual | |
| 2218 | Edward Miles | 50.56 | 8 | B Min | BB: 49.29 (+1.27s | 2.5%) | Waterloo Swimming | 04/19/2026 | 2026 ST WLOO Classic | |
| 2219 | Brody Puska | 50.56 | 9 | B Min | BB: 49.29 (+1.27s | 2.5%) | Apex | 06/05/2026 | 2026 CST Summer Invitational | |
| 2220 | Zihan Zhao | 50.57 | 9 | B Min | BB: 49.29 (+1.28s | 2.5%) | Pacific Dragons Swim Team | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 2221 | Romeo DelFoss | 50.57 | 8 | B Min | BB: 49.29 (+1.28s | 2.5%) | Swim Gators Str | 03/07/2026 | 2026 Lake Huron Regional Meet | |
| 2222 | Tomas Barrios Vivas | 50.57 | 10 | B Min | BB: 49.29 (+1.28s | 2.5%) | YMCA of Central Florida | 06/11/2026 | 2026 RAFC Summer Solstice Invitational | |
| 2223 | Lazar Bursac | 50.57 | 9 | B Min | BB: 49.29 (+1.28s | 2.5%) | Blue Wave Swimming | 05/15/2026 | 2026 SAINT PETE S 2nd LONG COURSE MEET | |
| 2224 | Zachary Tan | 50.57 | 9 | B Min | BB: 49.29 (+1.28s | 2.5%) | Rochester Swim Club | 05/30/2026 | 2026 MN RSC Summer Jam | |
| 2225 | Crew Lockett | 50.58 | 7 | B Min | BB: 49.29 (+1.29s | 2.6%) | Nitro Swimming | 06/20/2026 | 2026 ST NTRO LC Summer Classic | |
| 2226 | Brendan Stork | 50.58 | 10 | B Min | BB: 49.29 (+1.29s | 2.6%) | Clovis Swim Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | |
| 2227 | Carter Busha | 50.58 | 10 | B Min | BB: 49.29 (+1.29s | 2.6%) | Fast Falcons | 06/25/2026 | 2026 FAST Independence Invitational | |
| 2228 | Aedan Wilson | 50.58 | 10 | B Min | BB: 49.29 (+1.29s | 2.6%) | Crimson Aquatics | 05/08/2026 | 2026 NE CRA MIT Team Specialty LC Meet | |
| 2229 | Frank Rodriguez | 50.58 | 10 | B Min | BB: 49.29 (+1.29s | 2.6%) | Memphis Tiger Swimming | 05/16/2026 | NAC LC May Classic | |
| 2230 | Robert Gaines | 50.59 | 8 | B Min | BB: 49.29 (+1.30s | 2.6%) | Greensboro Community YMCA | 05/15/2026 | 2026 NCAC Meet On The Hill | |
| 2231 | Carter Sparks | 50.59 | 10 | B Min | BB: 49.29 (+1.30s | 2.6%) | Front Range Barracudas | 06/12/2026 | 2026 RST Coach Beth Rushmore Classic | |
| 2232 | Jasper Tian | 50.60 | 9 | B Min | BB: 49.29 (+1.31s | 2.6%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 2233 | Logan Klauke | 50.60 | 7 | B Min | BB: 49.29 (+1.31s | 2.6%) | Unattached | 06/26/2026 | 2026 MOR Long Course Qualifier | |
| 2234 | Mateo Sison | 50.60 | 10 | B Min | BB: 49.29 (+1.31s | 2.6%) | San Ramon Valley Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 2235 | Harrison Eberle | 50.60 | 10 | B Min | BB: 49.29 (+1.31s | 2.6%) | Frederick Area Swim Team | 05/29/2026 | 2026 FOX Speedo Summer Spectacular Meet | |
| 2236 | Mason Skradski | 50.60 | 9 | B Min | BB: 49.29 (+1.31s | 2.6%) | Highlands Ranch Aquatics | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 2237 | Akihito Higgins | 50.60 | 10 | B Min | BB: 49.29 (+1.31s | 2.6%) | Auburn Aquatics | 06/26/2026 | 2026 SE Richard Quick Invitational | |
| 2238 | Hugh McDonnell | 50.61 | 9 | B Min | BB: 49.29 (+1.32s | 2.6%) | YMCA of the North Shore Sharks | 04/24/2026 | 2026 NE YNS LCM IMX IMR Meet | |
| 2239 | Keathon Clarke | 50.62 | 8 | B Min | BB: 49.29 (+1.33s | 2.6%) | Swim Fort Lauderdale | 06/06/2026 | 18th Annual LC NPB Summer Kickoff | |
| 2240 | Henry Faconti | 50.62 | 9 | B Min | BB: 49.29 (+1.33s | 2.6%) | Highlands Ranch Aquatics | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 2241 | Jaxon Noe | 50.62 | 9 | B Min | BB: 49.29 (+1.33s | 2.6%) | Old North State Aquatics | 06/25/2026 | ONSA Independence Invitational Copied | |
| 2242 | Jude Meyer | 50.62 | 9 | B Min | BB: 49.29 (+1.33s | 2.6%) | Seahawks Swim club | 05/29/2026 | 2026 Meet Me In St Louis Invite | |
| 2243 | Amar Alwattar | 50.64 | 10 | B Min | BB: 49.29 (+1.35s | 2.7%) | Montclair Swim Team | 06/08/2024 | Orinda Aquatics LC C B BB+ Meet | |
| 2244 | DongHyuk Kang | 50.65 | 9 | B Min | BB: 49.29 (+1.36s | 2.7%) | SwimMAC Carolina | 05/01/2026 | 2026 NC SwimMAC Spring Splash | |
| 2245 | Tyler Buchanan | 50.65 | 8 | B Min | BB: 49.29 (+1.36s | 2.7%) | Riptide Swim Team | 05/28/2026 | 2026 MN WOLF HUFF N PUFF INVITE | |
| 2246 | Ezra Howell | 50.65 | 10 | B Min | BB: 49.29 (+1.36s | 2.7%) | Sun Valley 5 B | 06/07/2025 | Summer Classics 2025 | |
| 2247 | Connor Darling | 50.66 | 10 | B Min | BB: 49.29 (+1.37s | 2.7%) | Crimson Aquatics | 06/12/2026 | 2026 NE CS Summer Solstice | |
| 2248 | Ethan Baxter | 50.66 | 10 | B Min | BB: 49.29 (+1.37s | 2.7%) | Island Aquatics | 07/03/2026 | 2026 MAGSA LCM LAST CHANCE Copied | |
| 2249 | Jonah Densberger | 50.67 | 10 | B Min | BB: 49.29 (+1.38s | 2.7%) | Blue Dolfins | 04/11/2026 | 2026 Ron Nardozzi Pre Derby Sprint Invite C | |
| 2250 | Patrick Wang | 50.67 | 8 | B Min | BB: 49.29 (+1.38s | 2.7%) | Milpitas Aquatic Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | |
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.