Western Zone Zone Girls 10 & under - 50 M Back
These rankings show the swimmers' placement within their Zone.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 | |
|---|---|---|---|---|---|---|---|---|---|
| 101 | Oona Santos | 40.19 | 10 | AA Min | AAA: 39.49 (+0.70s | 1.7%) | Stingray Swim Team | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 102 | Melody Xu | 40.20 | 10 | AA Min | AAA: 39.49 (+0.71s | 1.8%) | Life Time Arizona Swim Team | 07/30/2026 | Long Course Far Westerns | |
| 103 | Leilani Light | 40.22 | 10 | AA Min | AAA: 39.49 (+0.73s | 1.8%) | Splash Aquatics | 07/16/2026 | 2026 HISI LCM Championships | |
| 104 | Zihan Luo | 40.33 | 10 | AA Min | AAA: 39.49 (+0.84s | 2.1%) | Alto Swim Club | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 105 | Ava Sysum | 40.40 | 10 | AA Min | AAA: 39.49 (+0.91s | 2.3%) | San Ramon Valley Aquatics | 07/30/2026 | Long Course Far Westerns | |
| 106 | Justice Madamba | 40.40 | 10 | AA Min | AAA: 39.49 (+0.91s | 2.3%) | Unattached | 07/16/2026 | 2026 HISI LCM Championships | |
| 107 | Annie Li | 40.50 | 9 | AA Min | AAA: 39.49 (+1.01s | 2.5%) | Brea Aquatics | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 108 | Ellie Rasmussen | 40.53 | 10 | AA Min | AAA: 39.49 (+1.04s | 2.6%) | Sandpipers of Nevada | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 109 | Annabelle Shi | 40.57 | 9 | AA Min | AAA: 39.49 (+1.08s | 2.7%) | Los Angeles Swim Club | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 110 | Yaretzi Sanchez | 40.60 | 10 | AA Min | AAA: 39.49 (+1.11s | 2.7%) | South Gate Aquatics Club | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 111 | Macy Baker | 40.64 | 9 | AA Min | AAA: 39.49 (+1.15s | 2.8%) | Denver Swim Academy | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 112 | Jesslyn Yong | 40.65 | 10 | AA Min | AAA: 39.49 (+1.16s | 2.9%) | Palo Alto Stanford Aquatics | 07/17/2026 | 2026 Adam Szmidt Memorial PC Summer AG Champs | |
| 113 | Aria Ferris | 40.66 | 9 | AA Min | AAA: 39.49 (+1.17s | 2.9%) | Aquawolves Swimming | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 114 | Carolyn Liu | 40.70 | 10 | AA Min | AAA: 39.49 (+1.21s | 3.0%) | Palo Alto Stanford Aquatics | 07/30/2026 | Long Course Far Westerns | |
| 115 | Abigail Simkins | 40.72 | 10 | AA Min | AAA: 39.49 (+1.23s | 3.0%) | Excel Aquatics | 06/04/2026 | 2026 Beaman Toyota Firecracker Invite | |
| 116 | Charlotte Herzog | 40.72 | 10 | AA Min | AAA: 39.49 (+1.23s | 3.0%) | Pikes Peak Athletics | 06/19/2026 | 2026 CO Falfins Long Course Open | |
| 117 | Mingxuan Zhang | 40.78 | 10 | AA Min | AAA: 39.49 (+1.29s | 3.2%) | Irvine Novaquatics | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | |
| 118 | Czarina Santos | 40.79 | 10 | AA Min | AAA: 39.49 (+1.30s | 3.2%) | Brentwood Seawolves | 07/17/2026 | 2026 Adam Szmidt Memorial PC Summer AG Champs | |
| 119 | Natalia Torres | 40.81 | 10 | AA Min | AAA: 39.49 (+1.32s | 3.2%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 120 | Marina Hall | 40.83 | 10 | AA Min | AAA: 39.49 (+1.34s | 3.3%) | Neptune Swimming | 06/12/2026 | Neptune Swimming June LC Meet | |
| 121 | Mavis McClafferty | 40.84 | 10 | AA Min | AAA: 39.49 (+1.35s | 3.3%) | Columbia River Swim Team | 06/05/2026 | 2026 CST Summer Invitational | |
| 122 | Claire Robinson | 40.85 | 10 | AA Min | AAA: 39.49 (+1.36s | 3.3%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 123 | Zoey Wen | 40.87 | 10 | AA Min | AAA: 39.49 (+1.38s | 3.4%) | Cerritos Aquatic Club | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 124 | Taylor Age | 40.88 | 10 | BB Min | A: 38.39 (+2.49s | 6.1%) | San Dimas Aquatics | 06/11/2026 | 2026 SCS June AG Invite | |
| 125 | Gianna Forni | 40.89 | 10 | AA Min | AAA: 39.49 (+1.40s | 3.4%) | Legacy Aquatics | 05/29/2026 | 2026 TRI CITY INVITATIONAL | |
| 126 | Kyahna Caoagdan | 40.90 | 10 | AA Min | AAA: 39.49 (+1.41s | 3.4%) | Issaquah Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 127 | Isabella Machado | 40.92 | 10 | AA Min | AAA: 39.49 (+1.43s | 3.5%) | Vision Swim | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 128 | Vivian Kalogrides | 40.92 | 9 | AA Min | AAA: 39.49 (+1.43s | 3.5%) | Santa Clara Swim Club | 07/17/2026 | 2026 Adam Szmidt Memorial PC Summer AG Champs | |
| 129 | Victoria So | 40.92 | 9 | AA Min | AAA: 39.49 (+1.43s | 3.5%) | Irvine Novaquatics | 07/23/2026 | 2026 CA SCS RAA Summer A G Champs Copied | |
| 130 | Charlotte Smith | 40.96 | 10 | AA Min | AAA: 39.49 (+1.47s | 3.6%) | Seattle Metropolitan Aquatic C | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 131 | Ellie Wang | 41.00 | 10 | AA Min | AAA: 39.49 (+1.51s | 3.7%) | Santa Clara Swim Club | 07/17/2026 | 2026 Adam Szmidt Memorial PC Summer AG Champs | |
| 132 | Skye Maldonado | 41.06 | 10 | AA Min | AAA: 39.49 (+1.57s | 3.8%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 133 | Avery Eash | 41.11 | 10 | AA Min | AAA: 39.49 (+1.62s | 3.9%) | Palo Alto Stanford Aquatics | 07/30/2026 | Long Course Far Westerns | |
| 134 | Alyse Tang | 41.16 | 10 | AA Min | AAA: 39.49 (+1.67s | 4.1%) | South San Francisco Aquatics | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 135 | Camille Stone | 41.17 | 10 | AA Min | AAA: 39.49 (+1.68s | 4.1%) | San Ramon Valley Aquatics | 05/29/2026 | VJO S Tuffy Williams Summer Kickoff Classic | |
| 136 | Alena Caiserman | 41.17 | 9 | AA Min | AAA: 39.49 (+1.68s | 4.1%) | Lahaina Swim Club | 07/16/2026 | 2026 HISI LCM Championships | |
| 137 | Luna Dong | 41.17 | 9 | AA Min | AAA: 39.49 (+1.68s | 4.1%) | Bellevue Club Swim Team | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 138 | Kayliann Bruha | 41.20 | 9 | AA Min | AAA: 39.49 (+1.71s | 4.2%) | Butte YMCA Swim Club | 07/10/2026 | 2026 MT HLST Last Chance Invitational | |
| 139 | Averie Paragas | 41.23 | 10 | AA Min | AAA: 39.49 (+1.74s | 4.2%) | Fast Swim Team | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 140 | Penny Datko | 41.27 | 10 | AA Min | AAA: 39.49 (+1.78s | 4.3%) | Fort Collins Area Swim Team | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 141 | Cleo Lefebvre-Bailey | 41.28 | 10 | AA Min | AAA: 39.49 (+1.79s | 4.3%) | College Area Swim Team | 07/23/2026 | 2026 SI LC AGE GROUP CHAMPIONSHIPS | |
| 142 | Alivia Lee | 41.30 | 10 | AA Min | AAA: 39.49 (+1.81s | 4.4%) | Pro Swimming | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 143 | Isabella Tsui | 41.34 | 8 | AA Min | AAA: 39.49 (+1.85s | 4.5%) | Pacific Dragons Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 144 | Madeline Green | 41.36 | 10 | AA Min | AAA: 39.49 (+1.87s | 4.5%) | Kamehameha Swim Club | 07/16/2026 | 2026 HISI LCM Championships | |
| 145 | Caddie Penry | 41.36 | 10 | AA Min | AAA: 39.49 (+1.87s | 4.5%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 146 | Tea Rutka | 41.44 | 9 | AA Min | AAA: 39.49 (+1.95s | 4.7%) | Kamehameha Swim Club | 05/02/2026 | Keiko Price Sprint Meet Aloha Mile | |
| 147 | Esther Choi | 41.45 | 10 | AA Min | AAA: 39.49 (+1.96s | 4.7%) | Blast Sharks | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 148 | Elisha Nkamla Teufack | 41.45 | 10 | AA Min | AAA: 39.49 (+1.96s | 4.7%) | Life Time Colorado Swim Club | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 149 | Grace Farmer | 41.50 | 10 | AA Min | AAA: 39.49 (+2.01s | 4.8%) | Bellevue Club Swim Team | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 150 | Maya Koren | 41.52 | 10 | AA Min | AAA: 39.49 (+2.03s | 4.9%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
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.