USA Girls 10 & under - 50 M Breast
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 2101 | Claire Niu | 56.25 | 10 | B Min | BB: 55.49 (+0.76s | 1.4%) | Issaquah Swim Team | 06/13/2026 | 2026 PN IST June Invtational Approved | |
| 2102 | Emma Rhee | 56.25 | 10 | B Min | BB: 55.49 (+0.76s | 1.4%) | Columbia Aquatics Association | 06/13/2026 | 2026 CAC Schools Out For Summer LCM Swim Meet | |
| 2103 | Lucille Kleinjan | 56.25 | 10 | B Min | BB: 55.49 (+0.76s | 1.4%) | Sioux Falls Swim Team | 07/17/2026 | 2026 SD Long Course Rising Stars Swim Meet | |
| 2104 | Maya Kiryanov | 56.26 | 10 | B Min | BB: 55.49 (+0.77s | 1.4%) | Wind N Sea Swim Team | 06/06/2026 | 2026 SI JBST SPLASH DASH MAX | |
| 2105 | Eliana Massaro | 56.26 | 10 | B Min | BB: 55.49 (+0.77s | 1.4%) | Clovis Swim Club | 05/24/2025 | 2025 Mike Snyder Memorial | |
| 2106 | Addison Moutafis | 56.26 | 10 | B Min | BB: 55.49 (+0.77s | 1.4%) | Mecklenburg Swim Association | 06/05/2026 | 2026 TEAM School S Out Summer Invite | |
| 2107 | Ka Choon | 56.26 | 9 | B Min | BB: 55.49 (+0.77s | 1.4%) | Stingray Swim Team | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 2108 | Riley Tumblin | 56.27 | 9 | B Min | BB: 55.49 (+0.78s | 1.4%) | Excel Aquatics | 05/15/2026 | 2026 Officially Summer Invitational | |
| 2109 | Kiely Hardin | 56.27 | 10 | B Min | BB: 55.49 (+0.78s | 1.4%) | Mecklenburg Swim Association | 07/24/2026 | 2026 Sailfish Summer Splash | |
| 2110 | Leah Wang | 56.27 | 10 | B Min | BB: 55.49 (+0.78s | 1.4%) | South San Francisco Aquatics | 06/12/2026 | BAC Long Course | |
| 2111 | Hadley Carne | 56.28 | 10 | B Min | BB: 55.49 (+0.79s | 1.4%) | Lakeridge Swim Team | 05/22/2026 | 2026 Intermountain Classic Long Course Meet | |
| 2112 | Lyla Solomon | 56.29 | 10 | B Min | BB: 55.49 (+0.80s | 1.4%) | Columbia Aquatics Association | 06/13/2026 | 2026 CAC Schools Out For Summer LCM Swim Meet | |
| 2113 | Bridget Bailey | 56.29 | 10 | B Min | BB: 55.49 (+0.80s | 1.4%) | Kingfish Swimming Medfield | 06/26/2026 | 2026 NE NSSC June 26 28 MIT Invitational | |
| 2114 | Hadley McSweeney | 56.30 | 9 | B Min | BB: 55.49 (+0.81s | 1.4%) | Sporting Jax Aquatic Club | 07/25/2025 | 2025 Area 1 LCM Championships | |
| 2115 | McKenna Collins | 56.30 | 9 | B Min | BB: 55.49 (+0.81s | 1.4%) | Granite Falls Makos | 05/02/2026 | GOLD LC Open 2026 | |
| 2116 | Brooklyn Chatterton | 56.30 | 10 | B Min | BB: 55.49 (+0.81s | 1.4%) | Raleigh Swimming Association | 04/24/2026 | 2026 RSA Warm Up To LC Copied Copied | |
| 2117 | Sylvia Balbo | 56.30 | 10 | B Min | BB: 55.49 (+0.81s | 1.4%) | YMCA of the North Shore Sharks | 06/26/2026 | 2026 NE YNS June Prelims Finals Meet | |
| 2118 | Mirela De Lima Machado | 56.31 | 10 | B Min | BB: 55.49 (+0.82s | 1.5%) | Nitro Swimming | 06/20/2026 | 2026 ST NTRO LC Summer Classic | |
| 2119 | Addalyn Hendrick | 56.31 | 9 | B Min | BB: 55.49 (+0.82s | 1.5%) | Coast Aquatics | 05/02/2026 | 2026 GPAC Flip Flop Invitational | |
| 2120 | Lillian Gamble | 56.31 | 10 | B Min | BB: 55.49 (+0.82s | 1.5%) | Gaston Gators | 06/26/2026 | Sharks Aquatic Club Last Chance Qualifier | |
| 2121 | Cali Martinez | 56.32 | 9 | B Min | BB: 55.49 (+0.83s | 1.5%) | Nampa Swim Team | 07/18/2025 | 2025 LCM Summer Championships | |
| 2122 | Nora Frank | 56.32 | 9 | B Min | BB: 55.49 (+0.83s | 1.5%) | Dynamo Swim Club | 06/26/2026 | 2026 HSA June Invitational | |
| 2123 | Charlie Bures | 56.32 | 10 | B Min | BB: 55.49 (+0.83s | 1.5%) | Sioux Falls Swim Team | 06/26/2026 | 2026 SD SFST Summer Surge Classic | |
| 2124 | Isabella Pahl | 56.32 | 10 | B Min | BB: 55.49 (+0.83s | 1.5%) | Sea Devils | 06/27/2026 | 2026 STAR Summer Splash Invite | |
| 2125 | Hadley Perk | 56.32 | 10 | B Min | BB: 55.49 (+0.83s | 1.5%) | Blazing Barracudas | 05/16/2025 | Busbey Invitational 2025 | |
| 2126 | Katherine Wu | 56.32 | 9 | B Min | BB: 55.49 (+0.83s | 1.5%) | Wave Aquatics | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 2127 | Alyssa Ko | 56.32 | 10 | B Min | BB: 55.49 (+0.83s | 1.5%) | Diablo Aquatics | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 2128 | Inara Dehar | 56.32 | 9 | B Min | BB: 55.49 (+0.83s | 1.5%) | Los Altos Mountain View Aquati | 05/17/2025 | 2025 LAMV SCM C B A+ | |
| 2129 | Eleena Fuentes | 56.33 | 10 | B Min | BB: 55.49 (+0.84s | 1.5%) | Opelika Swim Team | 07/12/2026 | OST July Long Course Time Trail | |
| 2130 | Leila Gee | 56.33 | 10 | B Min | BB: 55.49 (+0.84s | 1.5%) | Longhorn Aquatics | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 2131 | Willow Brauner | 56.34 | 9 | B Min | BB: 55.49 (+0.85s | 1.5%) | Nitro Swimming | 06/11/2026 | 2026 ST NIST George Block Invitational | |
| 2132 | Clara Shaw | 56.34 | 9 | B Min | BB: 55.49 (+0.85s | 1.5%) | Meadowbrook Swim Team | 07/17/2026 | 2026 MD Long Course Last Chance Meet | |
| 2133 | Emilia Kim | 56.35 | 10 | B Min | BB: 55.49 (+0.86s | 1.5%) | Chinook Aquatic Club | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | |
| 2134 | Lydia Davis | 56.35 | 9 | B Min | BB: 55.49 (+0.86s | 1.5%) | Tennessee Aquatics | 07/11/2026 | 2026 RPS LC Finale | |
| 2135 | Ava Maximov | 56.36 | 9 | B Min | BB: 55.49 (+0.87s | 1.5%) | Neptune Swimming | 06/12/2026 | Neptune Swimming June LC Meet | |
| 2136 | Chance Fagundes | 56.37 | 10 | B Min | BB: 55.49 (+0.88s | 1.6%) | Orca Aquatics | 07/31/2026 | 2026 NE MST ESC Summer Championship | |
| 2137 | Yvana Lumpay | 56.37 | 9 | B Min | BB: 55.49 (+0.88s | 1.6%) | Leesburg Aquatics | 05/15/2026 | 2026 FAST May Invite | |
| 2138 | Eleanor Stockholm | 56.37 | 10 | B Min | BB: 55.49 (+0.88s | 1.6%) | Northern Nevada Aquatics | 07/10/2026 | 2026 NNA Silver State Championships | |
| 2139 | Alyse Derrico | 56.39 | 9 | B Min | BB: 55.49 (+0.90s | 1.6%) | Indian River Aquatics | 05/23/2025 | 2025 Dr Aspi Doctor Memorial Invitational | |
| 2140 | Emily Johnson | 56.39 | 10 | B Min | BB: 55.49 (+0.90s | 1.6%) | Puget Sound Swim Club | 06/19/2026 | 2026 IE VS Starlight Open (USAS) | |
| 2141 | Irelyn Wallin | 56.39 | 10 | B Min | BB: 55.49 (+0.90s | 1.6%) | Swim Tampa Aquatics | 06/05/2026 | 2026 TAMPA BAY SWIM CLASSIC | |
| 2142 | Charlotte Petersohn | 56.40 | 9 | B Min | BB: 55.49 (+0.91s | 1.6%) | Raleigh Swimming Association | 06/26/2026 | 2026 MOR Long Course Qualifier | |
| 2143 | Micaila Barbeau | 56.40 | 10 | B Min | BB: 55.49 (+0.91s | 1.6%) | South East Metro Sharks | 06/19/2026 | 2026 MN MAN Red White Blue Invite Copied | |
| 2144 | Sofia Gahan | 56.40 | 9 | B Min | BB: 55.49 (+0.91s | 1.6%) | Tac Titans | 05/22/2026 | 2026 TAC TITANS Memorial Day Meet | |
| 2145 | Ezri Duquette | 56.41 | 8 | B Min | BB: 55.49 (+0.92s | 1.6%) | Hawaii Swimming Club | 07/03/2026 | 2026 Keo Nakama Swim Meet | |
| 2146 | Sailor LI | 56.41 | 8 | B Min | BB: 55.49 (+0.92s | 1.6%) | San Ramon Valley Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 2147 | Norah Johnson | 56.41 | 10 | B Min | BB: 55.49 (+0.92s | 1.6%) | Seattle Metropolitan Aquatic C | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | |
| 2148 | Branny Qiu | 56.41 | 9 | B Min | BB: 55.49 (+0.92s | 1.6%) | Blue Wave Swimming | 05/15/2026 | 2026 SAINT PETE S 2nd LONG COURSE MEET | |
| 2149 | Virginia Chen | 56.41 | 10 | B Min | BB: 55.49 (+0.92s | 1.6%) | Arctic Aquatics | 06/12/2026 | 2026 NE CS Summer Solstice | |
| 2150 | Harper Hock | 56.42 | 10 | B Min | BB: 55.49 (+0.93s | 1.6%) | Laker Swim | 04/25/2026 | 11th Annual Hohne Memorial 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.