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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1901 | Hathaway Dary | 48.15 | 8 | BB Min | A: 43.59 (+4.56s | 9.5%) | Carolina Aquatic Team | 06/05/2026 | STAR Andrew E Hartle Invitational | |
| 1902 | Jaxsynn Cooley | 48.15 | 10 | BB Min | A: 43.59 (+4.56s | 9.5%) | Sea to Desert Swim Association | 06/19/2026 | 2026 SI Splash And Dash | |
| 1903 | Miranda Ong | 48.15 | 10 | BB Min | A: 43.59 (+4.56s | 9.5%) | Danvers YMCA Dolfins | 06/12/2026 | 2026 NE CS Summer Solstice | |
| 1904 | Madison Pronovost | 48.16 | 10 | BB Min | A: 43.59 (+4.57s | 9.5%) | Legacy Aquatics | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 1905 | Penelope Crowther | 48.16 | 9 | BB Min | A: 43.59 (+4.57s | 9.5%) | Instinct Swimming | 05/16/2026 | 2026 NE CS Spring Fever | |
| 1906 | Morgan O'Reilly | 48.17 | 10 | BB Min | A: 43.59 (+4.58s | 9.5%) | Shawmut Aquatic Club | 05/16/2026 | 2026 NE CS Spring Fever | |
| 1907 | Wren Hegner | 48.17 | 10 | BB Min | A: 43.59 (+4.58s | 9.5%) | Loveland Swim Club | 06/12/2026 | 2026 RST Coach Beth Rushmore Classic | |
| 1908 | Alexandrina Cardoso | 48.17 | 10 | BB Min | A: 43.59 (+4.58s | 9.5%) | Edina Swim Club | 07/18/2025 | 2025 MN MAN Minnesota Regional Championship | |
| 1909 | Eleanor Pearo | 48.18 | 10 | BB Min | A: 43.59 (+4.59s | 9.5%) | Rec-Plex Sharks | 05/29/2026 | 2026 Meet Me In St Louis Invite | |
| 1910 | Ella Gladstone | 48.19 | 10 | B: 44.79 (+3.40s | 7.1%) | Ryan YMCA Tidal Waves | 05/23/2026 | 2026 SI HSA 2 All Ages NTS May 23 24 | ||
| 1911 | Hadley Sands | 48.19 | 10 | BB Min | A: 43.59 (+4.60s | 9.5%) | Firestone Akron Swim Team | 07/24/2025 | 2025 LE Age Group And Senior LC Championships | |
| 1912 | Elena Halstead | 48.20 | 10 | BB Min | A: 43.59 (+4.61s | 9.6%) | Mystic Hammerheads | 05/16/2026 | 2026 NE KCY Invitational | |
| 1913 | Poppy Anderson | 48.20 | 10 | BB Min | A: 43.59 (+4.61s | 9.6%) | Olympic Cascade Aquatics | 05/16/2025 | 2025 PN IST Sockeye Springtime Madness | |
| 1914 | Hana Rosekrans | 48.20 | 10 | BB Min | A: 43.59 (+4.61s | 9.6%) | Flatiron Athletic Club | 07/11/2025 | 2025 CO NJ Firecracker Invite | |
| 1915 | Lucille Engelmeyer | 48.20 | 9 | BB Min | A: 43.59 (+4.61s | 9.6%) | Rochester Swim Club | 05/30/2026 | 2026 MN RSC Summer Jam | |
| 1916 | Charlie Bures | 48.20 | 10 | BB Min | A: 43.59 (+4.61s | 9.6%) | Sioux Falls Swim Team | 06/26/2026 | 2026 SD SFST Summer Surge Classic | |
| 1917 | Ayelet Tindall | 48.20 | 10 | BB Min | A: 43.59 (+4.61s | 9.6%) | Blue Dolfins | 05/15/2026 | 2026 PA Long Course Invite | |
| 1918 | Lila Sadaya | 48.20 | 9 | BB Min | A: 43.59 (+4.61s | 9.6%) | Hawaii Swimming Club | 07/03/2026 | 2026 Keo Nakama Swim Meet | |
| 1919 | Nora Bettis | 48.21 | 10 | BB Min | A: 43.59 (+4.62s | 9.6%) | Fox Swim Club | 05/29/2026 | 2026 FOX Speedo Summer Spectacular Meet | |
| 1920 | Evangeline Sharygin | 48.21 | 10 | BB Min | A: 43.59 (+4.62s | 9.6%) | Tualatin Hills Swim Club | 05/22/2026 | 2026 THSC Memorial Weekend Meet | |
| 1921 | Haydrianna Tran | 48.22 | 10 | BB Min | A: 43.59 (+4.63s | 9.6%) | King Aquatic Club | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 1922 | Emerie Gryder | 48.22 | 9 | BB Min | A: 43.59 (+4.63s | 9.6%) | Catawba Valley Aquatic Club | 06/23/2026 | WCSA Summer Meet 2 @ MSC | |
| 1923 | Amyra Srivastava | 48.23 | 10 | BB Min | A: 43.59 (+4.64s | 9.6%) | Milpitas Aquatic Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | |
| 1924 | Milan Ellena | 48.23 | 8 | BB Min | A: 43.59 (+4.64s | 9.6%) | Lake Oswego Swim Club | 04/25/2026 | GACC Spring Invitational | |
| 1925 | Aliyah Pena | 48.24 | 9 | BB Min | A: 43.59 (+4.65s | 9.6%) | Southwest Aquatic Warriors | 06/11/2026 | 2026 ST NIST George Block Invitational | |
| 1926 | Whitney Difani | 48.24 | 9 | BB Min | A: 43.59 (+4.65s | 9.6%) | Parkway-Rockwood Gateway Swim | 06/26/2026 | 88th CSP Summer Invitational | |
| 1927 | Evelyn Bondurant | 48.25 | 9 | BB Min | A: 43.59 (+4.66s | 9.7%) | San Antonio Wave | 06/26/2026 | 2026 NEAT Long Course STX Championship | |
| 1928 | Maja Anderson | 48.25 | 10 | BB Min | A: 43.59 (+4.66s | 9.7%) | Barracuda Aquatics Club | 06/26/2026 | 2026 MN PRNH Summer Chomp | |
| 1929 | Riley Blaugh | 48.25 | 10 | BB Min | A: 43.59 (+4.66s | 9.7%) | Sarasota Sharks | 06/11/2026 | 2026 Sarastoa Shark Open | |
| 1930 | Austin Kurz | 48.25 | 10 | BB Min | A: 43.59 (+4.66s | 9.7%) | Aquatic Team Of Mecklenburg | 05/15/2026 | 2026 EAC Memorial Invite | |
| 1931 | Gwen Haynes | 48.25 | 9 | BB Min | A: 43.59 (+4.66s | 9.7%) | Bellingham Bay Swim Team | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 1932 | Brynveig Vevle | 48.26 | 10 | BB Min | A: 43.59 (+4.67s | 9.7%) | Foxjets Swim Team | 05/15/2026 | 2026 MN HURR LC Spring Opener | |
| 1933 | Julia Ramos | 48.26 | 10 | BB Min | A: 43.59 (+4.67s | 9.7%) | Southeast Tennessee Swimming | 04/24/2026 | 2026 ARENA Long Course Invitational Meet | |
| 1934 | Emerson Rohlman | 48.26 | 10 | BB Min | A: 43.59 (+4.67s | 9.7%) | Northern KY Clippers | 05/01/2026 | CLPR 3rd Annual Northern KY Derby | |
| 1935 | Adalyn Virtue Galinat | 48.28 | 10 | BB Min | A: 43.59 (+4.69s | 9.7%) | McMinnville Swim Club | 06/05/2026 | 2026 CST Summer Invitational | |
| 1936 | Chelsea Shia | 48.29 | 9 | BB Min | A: 43.59 (+4.70s | 9.7%) | DeAnza Cupertino Aquatics | 06/12/2026 | 2026 DACA LC CBA Meet | |
| 1937 | Paige Curtis | 48.29 | 10 | BB Min | A: 43.59 (+4.70s | 9.7%) | Coeur D\\\\\\'alene Area Swim Team | 06/19/2026 | 2026 SWAT Summer Solstice | |
| 1938 | Emilia Zanetti | 48.29 | 10 | BB Min | A: 43.59 (+4.70s | 9.7%) | Coeur D\\\\\\'alene Area Swim Team | 04/25/2026 | 2026 SWAT Spring Fling | |
| 1939 | Lula Rogers | 48.29 | 10 | BB Min | A: 43.59 (+4.70s | 9.7%) | Huntsville Swim Association | 06/26/2026 | 2026 HSA June Invitational | |
| 1940 | Mia Trinh | 48.30 | 10 | BB Min | A: 43.59 (+4.71s | 9.8%) | Foxjets Swim Team | 06/26/2026 | 2026 MN PRNH Summer Chomp | |
| 1941 | Elizaveta Klimova | 48.31 | 10 | BB Min | A: 43.59 (+4.72s | 9.8%) | Olympic Cascade Aquatics | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 1942 | Julia LaDuc | 48.31 | 10 | BB Min | A: 43.59 (+4.72s | 9.8%) | Longhorn Aquatics | 06/26/2026 | 2026 NEAT Long Course STX Championship | |
| 1943 | Annie Zhang | 48.31 | 10 | BB Min | A: 43.59 (+4.72s | 9.8%) | Sunrise Swim Club | 06/26/2026 | 2026 NE SUN Summer Solstice | |
| 1944 | Cora Young | 48.32 | 9 | BB Min | A: 43.59 (+4.73s | 9.8%) | Ensworth Aquatics | 05/15/2026 | 2026 Officially Summer Invitational | |
| 1945 | Katherine Du | 48.32 | 10 | BB Min | A: 43.59 (+4.73s | 9.8%) | Nitro Swimming | 05/09/2026 | 2026 ST NTRO LC School S Out | |
| 1946 | Isabella Ewing | 48.33 | 9 | BB Min | A: 43.59 (+4.74s | 9.8%) | Shark Wave Aquatic Team | 06/26/2026 | 2026 Dick Fadgen Tiger Classic | |
| 1947 | Arianna Battaglia | 48.33 | 8 | BB Min | A: 43.59 (+4.74s | 9.8%) | Fast | 05/29/2026 | 2026 Meet Me In St Louis Invite | |
| 1948 | Sylvie Hulton | 48.33 | 10 | BB Min | A: 43.59 (+4.74s | 9.8%) | Amherst Tritons Swim Team | 06/20/2026 | 2026 NE NSSC Invitational Springfield College | |
| 1949 | Charlotte Cook | 48.33 | 10 | BB Min | A: 43.59 (+4.74s | 9.8%) | Nsea Swim | 05/15/2026 | 2026 TAC TITANS Spring Fling Meet | |
| 1950 | Sadie Givens | 48.34 | 10 | BB Min | A: 43.59 (+4.75s | 9.8%) | Huntsville Swim Association | 06/26/2026 | 2026 HSA June Invitational | |
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.