USA Girls 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 3151 | Arya Gruenberg | 51.99 | 10 | B Min | BB: 49.69 (+2.30s | 4.4%) | Boise YMCA Swim Team | 07/04/2026 | Pendleton Open 2026 | |
| 3152 | Mackenzie Cook | 51.99 | 9 | B Min | BB: 49.69 (+2.30s | 4.4%) | Seattle Metropolitan Aquatic C | 05/28/2026 | 2026 IE VS Apple Capital | |
| 3153 | Julia Madonna | 52.00 | 10 | B Min | BB: 49.69 (+2.31s | 4.4%) | Mecklenburg Swim Association | 06/20/2026 | 2026 NCS QCD Long Course Invite | |
| 3154 | Cassi Lucas | 52.00 | 10 | B Min | BB: 49.69 (+2.31s | 4.4%) | Crimson Aquatics | 05/16/2026 | 2026 NE CS Spring Fever | |
| 3155 | Edith Helms | 52.00 | 9 | B Min | BB: 49.69 (+2.31s | 4.4%) | New Wave Swim Team | 04/25/2026 | 2026 WAVE Sprint Into LC | |
| 3156 | Selene Draper Alemany | 52.00 | 9 | B Min | BB: 49.69 (+2.31s | 4.4%) | Legacy Aquatics | 06/19/2026 | Bend Swim Club Sun Country Invite 2026 | |
| 3157 | Elise Tokunaga | 52.00 | 9 | B Min | BB: 49.69 (+2.31s | 4.4%) | Beaverton Area Aquatics Club | 04/17/2026 | 2026 MAC LONG COURSE INVITATIONAL | |
| 3158 | Anne Brooker | 52.00 | 10 | B Min | BB: 49.69 (+2.31s | 4.4%) | Saint Petersburg Aquatics | 04/18/2025 | 2025 SPA Spring First Long Course Meet | |
| 3159 | Mia Mitchell | 52.00 | 8 | B Min | BB: 49.69 (+2.31s | 4.4%) | Texas Elite Swimming | 06/05/2026 | 2026 ST SRG Arena Surge Shark Sizzler | |
| 3160 | Lila Fraser | 52.01 | 10 | B Min | BB: 49.69 (+2.32s | 4.5%) | YMCA of Florida\\\\\\'s First Coast | 04/10/2026 | 2026 April Classic | |
| 3161 | Collins Melcher | 52.01 | 7 | B Min | BB: 49.69 (+2.32s | 4.5%) | Firefish Aquatics | 06/19/2026 | 2026 Firefish June Jam | |
| 3162 | Emmalee Fuller | 52.02 | 10 | B Min | BB: 49.69 (+2.33s | 4.5%) | The Western Mass Aquadogs | 06/26/2026 | 2026 NE SUN Summer Solstice | |
| 3163 | Colleen Olson | 52.03 | 9 | B Min | BB: 49.69 (+2.34s | 4.5%) | New Orleans Aquatics | 05/02/2026 | 2026 GPAC Flip Flop Invitational | |
| 3164 | Eliza Vavrichek | 52.03 | 8 | B Min | BB: 49.69 (+2.34s | 4.5%) | Olympic Cascade Aquatics | 07/11/2025 | 2025 PN OCA July Jamboree Invitational | |
| 3165 | Samantha Schroeder | 52.03 | 10 | B Min | BB: 49.69 (+2.34s | 4.5%) | MN Flyers Swim Team | 05/08/2026 | 2026 MN STRM Spring Startup | |
| 3166 | Lily McGlashon | 52.03 | 9 | B Min | BB: 49.69 (+2.34s | 4.5%) | West Coast Aquatics | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 3167 | Lucia Woronoff | 52.03 | 9 | B Min | BB: 49.69 (+2.34s | 4.5%) | Commonwealth Swimming | 04/11/2026 | 2026 NE CS Season Opener | |
| 3168 | Shea Paulus | 52.04 | 9 | B Min | BB: 49.69 (+2.35s | 4.5%) | SOL Swim Team | 06/06/2026 | 2026 SI SOL Splash And Dash Max Jun 6 7 | |
| 3169 | Lyla Eldridge | 52.04 | 10 | B Min | BB: 49.69 (+2.35s | 4.5%) | Tide Swimming | 05/01/2026 | 2026 TIDE Spring Shockwave | |
| 3170 | Chloe Poirier | 52.04 | 10 | B Min | BB: 49.69 (+2.35s | 4.5%) | Wind N Sea Swim Team | 05/23/2026 | SI 2026 TAC CSTE All Ages NTS Meet | |
| 3171 | Nina Kljucevic | 52.05 | 9 | B Min | BB: 49.69 (+2.36s | 4.5%) | Patriot Aquatics | 05/15/2026 | 2026 PA Long Course Invite | |
| 3172 | Claire Coeckelenbergh | 52.05 | 9 | B Min | BB: 49.69 (+2.36s | 4.5%) | Wind N Sea Swim Team | 06/06/2026 | 2026 SI JBST SPLASH DASH MAX | |
| 3173 | Sofia Jelezov | 52.05 | 10 | B Min | BB: 49.69 (+2.36s | 4.5%) | Alamo Area Aquatic Association | 05/16/2025 | 2025 ST AAAA NS Salute To The Troops | |
| 3174 | Avery Durkee | 52.05 | 8 | B Min | BB: 49.69 (+2.36s | 4.5%) | Fast Fins Elite | 05/16/2025 | 2025 ST ASC Spring Showcase | |
| 3175 | Norah Rodriguez | 52.05 | 8 | B Min | BB: 49.69 (+2.36s | 4.5%) | Bolles School Sharks | 05/22/2026 | EAJ Mayhem 2026 | |
| 3176 | Katherine Baker | 52.06 | 10 | B Min | BB: 49.69 (+2.37s | 4.6%) | Ensworth Aquatics | 05/15/2026 | 2026 Officially Summer Invitational | |
| 3177 | Charlotte Corsaro | 52.06 | 10 | B Min | BB: 49.69 (+2.37s | 4.6%) | Enfinity Aquatic Club | 06/05/2026 | STAR Andrew E Hartle Invitational | |
| 3178 | Waverly Anderson | 52.06 | 9 | B Min | BB: 49.69 (+2.37s | 4.6%) | Rushmore Swim Team | 05/08/2026 | 2026 SD SFST Ready For Long Course Meet | |
| 3179 | Clara Cederholm | 52.06 | 9 | B Min | BB: 49.69 (+2.37s | 4.6%) | Olympus Aquatics | 06/06/2025 | Speed Lake City 2025 | |
| 3180 | Isla Rae | 52.06 | 9 | B Min | BB: 49.69 (+2.37s | 4.6%) | Hydro Swim Club | 05/29/2026 | 2026 Hydro Summer Open | |
| 3181 | Ava Chang | 52.07 | 8 | B Min | BB: 49.69 (+2.38s | 4.6%) | Opelika Swim Team | 06/05/2026 | 2026 GPAC Tom Lalor Invitational | |
| 3182 | Adeline Taylor | 52.07 | 8 | B Min | BB: 49.69 (+2.38s | 4.6%) | Hanover Aquatics | 04/18/2026 | 2026 SwimRVA Carnation Clash | |
| 3183 | Whitnee Jacobson | 52.07 | 10 | B Min | BB: 49.69 (+2.38s | 4.6%) | Red Wing Swim Club | 05/03/2025 | 2025 MN RSC Pentathlon | |
| 3184 | Rowyn Robinette | 52.07 | 7 | B Min | BB: 49.69 (+2.38s | 4.6%) | Northfield Swim Club | 05/15/2026 | 2026 MN HURR LC Spring Opener | |
| 3185 | Hadley Ren | 52.07 | 10 | B Min | BB: 49.69 (+2.38s | 4.6%) | Chinook Aquatic Club | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 3186 | Vivian Evenson | 52.08 | 9 | B Min | BB: 49.69 (+2.39s | 4.6%) | Hurricanes Swim Team | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 3187 | Kennedy Coggin | 52.08 | 9 | B Min | BB: 49.69 (+2.39s | 4.6%) | Csp Tideriders | 05/29/2026 | 2026 Meet Me In St Louis Invite | |
| 3188 | Autumn Long | 52.08 | 10 | B Min | BB: 49.69 (+2.39s | 4.6%) | Northside Aquatics | 05/06/2026 | 2026 ST NIST May Race Night | |
| 3189 | Noelle Garza | 52.08 | 10 | B Min | BB: 49.69 (+2.39s | 4.6%) | Hillsboro Swim Team | 05/01/2026 | 2026 THSC Spring Invite | |
| 3190 | Kadence Watts | 52.09 | 10 | B Min | BB: 49.69 (+2.40s | 4.6%) | Perry Aquatic Club | 07/24/2025 | 2025 LE Age Group And Senior LC Championships | |
| 3191 | Kynleigh Sutherland | 52.09 | 7 | B Min | BB: 49.69 (+2.40s | 4.6%) | Tnt Swimming | 06/26/2026 | 2026 Colonel Summer Classic Copied | |
| 3192 | Olivia Francis | 52.09 | 10 | B Min | BB: 49.69 (+2.40s | 4.6%) | T2 Aquatics | 05/22/2026 | 2026 T2 Aquatics Norris Foundation LC Meet | |
| 3193 | Nandanapriya Nair | 52.09 | 9 | B Min | BB: 49.69 (+2.40s | 4.6%) | Nova of Virginia | 05/15/2026 | NOVA Spring Splash | |
| 3194 | Madelyn Warnick | 52.09 | 10 | B Min | BB: 49.69 (+2.40s | 4.6%) | Tsunami Swimming | 05/01/2026 | 2026 Helen Wang Sunflower Classic | |
| 3195 | Charley Foss | 52.10 | 9 | B Min | BB: 49.69 (+2.41s | 4.6%) | Velocity Swimming | 06/19/2026 | 2026 IE VS Starlight Open (USAS) | |
| 3196 | Charlotte Bullard | 52.10 | 10 | B Min | BB: 49.69 (+2.41s | 4.6%) | Falfins Swimming | 06/19/2026 | 2026 CO Falfins Long Course Open | |
| 3197 | Viola Johnson | 52.11 | 9 | B Min | BB: 49.69 (+2.42s | 4.6%) | Hastings Area Swim Team | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 3198 | Madelyn Schwanke | 52.11 | 9 | B Min | BB: 49.69 (+2.42s | 4.6%) | Planet Swim Aquatics | 06/26/2026 | 2026 Planet Swim Summer Championships | |
| 3199 | Tavi Larsen | 52.11 | 10 | B Min | BB: 49.69 (+2.42s | 4.6%) | Chamberlain Swim Team | 06/23/2023 | 2023 Splash Central Invitational | |
| 3200 | Nora Atkinson | 52.11 | 10 | B Min | BB: 49.69 (+2.42s | 4.6%) | Sheridan Swim Team | 06/12/2026 | 2026 RST Coach Beth Rushmore Classic | |
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.