Western Zone Zone Girls 10 & under - 50 M Breast
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 | Piper McDonald | 45.89 | 10 | AA Min | AAA: 44.29 (+1.60s | 3.5%) | SwimNation Aquatics Programs | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 102 | Zihan Luo | 45.89 | 10 | AA Min | AAA: 44.29 (+1.60s | 3.5%) | Alto Swim Club | 06/20/2026 | Alto Summer Swelter | |
| 103 | Zoe Pedonti | 45.92 | 10 | AA Min | AAA: 44.29 (+1.63s | 3.5%) | Unattached | 07/30/2026 | Long Course Far Westerns | |
| 104 | Lea Payne | 45.97 | 10 | AA Min | AAA: 44.29 (+1.68s | 3.7%) | Coastal Machine Aquatics Club | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 105 | Celine Fan | 46.04 | 10 | AA Min | AAA: 44.29 (+1.75s | 3.8%) | Rose Bowl Aquatics | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 106 | Jennifer Ji | 46.04 | 10 | AA Min | AAA: 44.29 (+1.75s | 3.8%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 107 | Aubree Richards | 46.05 | 10 | AA Min | AAA: 44.29 (+1.76s | 3.8%) | Denver Swim Academy | 06/05/2026 | 2026 CO NJ Summer Solstice Invite | |
| 108 | Eva Shih | 46.07 | 10 | AA Min | AAA: 44.29 (+1.78s | 3.9%) | Arcadia Riptides Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 109 | Arha Chander | 46.08 | 10 | AA Min | AAA: 44.29 (+1.79s | 3.9%) | Canyons Aquatic Club | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 110 | Clara Miller | 46.18 | 9 | AA Min | AAA: 44.29 (+1.89s | 4.1%) | Sunnyvale Swim Club | 06/12/2026 | 2026 DACA LC CBA Meet | |
| 111 | Olivia Jukic | 46.21 | 9 | AA Min | AAA: 44.29 (+1.92s | 4.2%) | Anaheim Aquatics Association | 07/23/2026 | 2026 CA SCS RAA Summer A G Champs Copied | |
| 112 | Blake Bradley | 46.27 | 10 | AA Min | AAA: 44.29 (+1.98s | 4.3%) | Coastal Machine Aquatics Club | 06/11/2026 | 2026 SCS June AG Invite | |
| 113 | Justice Madamba | 46.33 | 10 | AA Min | AAA: 44.29 (+2.04s | 4.4%) | Unattached | 07/16/2026 | 2026 HISI LCM Championships | |
| 114 | GiGi Wang | 46.34 | 8 | AA Min | AAA: 44.29 (+2.05s | 4.4%) | Dare Aquatics | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | |
| 115 | Hannah Park | 46.35 | 10 | AA Min | AAA: 44.29 (+2.06s | 4.4%) | DeAnza Cupertino Aquatics | 07/17/2026 | 2026 Adam Szmidt Memorial PC Summer AG Champs | |
| 116 | Summer Williams | 46.37 | 9 | AA Min | AAA: 44.29 (+2.08s | 4.5%) | Aquazot Swim Club | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | |
| 117 | Kaylee Zhang | 46.41 | 10 | AA Min | AAA: 44.29 (+2.12s | 4.6%) | Alto Swim Club | 07/30/2026 | Long Course Far Westerns | |
| 118 | Charlotte Smith | 46.42 | 10 | AA Min | AAA: 44.29 (+2.13s | 4.6%) | Seattle Metropolitan Aquatic C | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 119 | Sienna Schenk | 46.43 | 10 | AA Min | AAA: 44.29 (+2.14s | 4.6%) | Boulder City Henderson Swim Te | 07/23/2026 | 2026 CA SCS RAA Summer A G Champs Copied | |
| 120 | Alyssa Tao | 46.44 | 10 | AA Min | AAA: 44.29 (+2.15s | 4.6%) | Alto Swim Club | 07/17/2026 | 2026 Adam Szmidt Memorial PC Summer AG Champs | |
| 121 | Katherine Rabinovich | 46.55 | 10 | A Min | AA: 46.49 (+0.06s | 0.1%) | Gold\\\\\\'s Aquatics Club (Camas) | 08/01/2026 | 2026 GACC End Of Season | |
| 122 | Olivia Dyjak | 46.56 | 10 | A Min | AA: 46.49 (+0.07s | 0.2%) | Evolution Racing Club | 06/11/2026 | 2026 SCS June AG Invite | |
| 123 | Madison Lee | 46.57 | 9 | A Min | AA: 46.49 (+0.08s | 0.2%) | Olympus Aquatics | 07/17/2025 | 2025 UTAGS LC Championships | |
| 124 | Isabella Machado | 46.64 | 10 | A Min | AA: 46.49 (+0.15s | 0.3%) | Vision Swim | 06/11/2026 | 2026 SCS June AG Invite | |
| 125 | Sofia Khalfin | 46.66 | 9 | A Min | AA: 46.49 (+0.17s | 0.4%) | Terrapins Swim Team | 07/17/2026 | 2026 Adam Szmidt Memorial PC Summer AG Champs | |
| 126 | Sienna Ludwigson | 46.67 | 10 | A Min | AA: 46.49 (+0.18s | 0.4%) | Tsm Aquatics | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 127 | Emma Salum | 46.72 | 10 | A Min | AA: 46.49 (+0.23s | 0.5%) | Calabasas Waves | 07/24/2025 | 2025 CA SCS Summer A G Champs CANY | |
| 128 | Julie Dong | 46.73 | 10 | A Min | AA: 46.49 (+0.24s | 0.5%) | Wave Aquatics | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 129 | Aria Ergan | 46.74 | 9 | A Min | AA: 46.49 (+0.25s | 0.5%) | Aquazot Swim Club | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 130 | Ara Lee | 46.76 | 9 | A Min | AA: 46.49 (+0.27s | 0.6%) | Aquazot Swim Club | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | |
| 131 | Felix Tobias | 46.81 | 10 | A Min | AA: 46.49 (+0.32s | 0.7%) | Heartland Swim Assoc | 07/23/2026 | 2026 SI LC AGE GROUP CHAMPIONSHIPS | |
| 132 | Chloe Wang | 46.82 | 10 | A Min | AA: 46.49 (+0.33s | 0.7%) | Pleasanton Seahawks | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 133 | Elva Zhang | 46.91 | 10 | A Min | AA: 46.49 (+0.42s | 0.9%) | Rose Bowl Aquatics | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 134 | Talina Naffziger | 46.92 | 10 | A Min | AA: 46.49 (+0.43s | 0.9%) | Unattached | 04/24/2026 | 2026 CO Steve Drozda LC Shotgun | |
| 135 | Ellie Hall | 46.93 | 10 | A Min | AA: 46.49 (+0.44s | 0.9%) | Cascadia Swimming | 04/17/2026 | 2026 MAC LONG COURSE INVITATIONAL | |
| 136 | Ruoxi Song | 47.00 | 10 | A Min | AA: 46.49 (+0.51s | 1.1%) | Irvine Novaquatics | 06/11/2026 | 2026 SCS June AG Invite | |
| 137 | Amelia Kpaduwa | 47.10 | 10 | A Min | AA: 46.49 (+0.61s | 1.3%) | San Dimas Aquatics | 06/11/2026 | 2026 SCS June AG Invite | |
| 138 | Sophie Chuang | 47.10 | 10 | A Min | AA: 46.49 (+0.61s | 1.3%) | Otter Swim Club | 07/17/2026 | 2026 Adam Szmidt Memorial PC Summer AG Champs | |
| 139 | Czarina Santos | 47.13 | 10 | A Min | AA: 46.49 (+0.64s | 1.4%) | Brentwood Seawolves | 06/13/2026 | Orinda PC LC AG C B BB+ | |
| 140 | Claire Du | 47.19 | 10 | A Min | AA: 46.49 (+0.70s | 1.5%) | Santa Clara Swim Club | 06/20/2026 | Zone 1 South Swim Under The Stars | |
| 141 | Janaya Calugas | 47.21 | 10 | A Min | AA: 46.49 (+0.72s | 1.5%) | Cascade Swim Club | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 142 | Adelaide Watson | 47.25 | 10 | A Min | AA: 46.49 (+0.76s | 1.6%) | Palo Alto Stanford Aquatics | 07/17/2026 | 2026 Adam Szmidt Memorial PC Summer AG Champs | |
| 143 | Sloane Shevelenko | 47.26 | 9 | A Min | AA: 46.49 (+0.77s | 1.6%) | Unattached | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 144 | Amelia Wilden | 47.30 | 10 | A Min | AA: 46.49 (+0.81s | 1.7%) | Ramona Swim Team | 06/19/2026 | 2026 SI Splash And Dash | |
| 145 | Olivia Du | 47.31 | 9 | A Min | AA: 46.49 (+0.82s | 1.7%) | West Coast Aquatics | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 146 | Selin Keskin | 47.34 | 10 | A Min | AA: 46.49 (+0.85s | 1.8%) | Otter Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 147 | Sofia Gonzalez | 47.36 | 10 | A Min | AA: 46.49 (+0.87s | 1.8%) | Canyons Aquatic Club | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 148 | Reese Stuart | 47.37 | 10 | A Min | AA: 46.49 (+0.88s | 1.9%) | Denver Swim Academy | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 149 | Mae Zajacs | 47.38 | 10 | A Min | AA: 46.49 (+0.89s | 1.9%) | Highlands Ranch Aquatics | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 150 | Kylie Chhiap | 47.41 | 10 | A Min | AA: 46.49 (+0.92s | 1.9%) | Jcc Waves | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
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.