Rancho San Dieguito Boys 10 & under 50 Y Breast
These rankings show the swimmers' placement within their swim team.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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Rain Liu | 39.41 | 10 | AA Min | AAA: 38.29 (+1.12s | 2.8%) | Rancho San Dieguito | 10/24/2025 | 2025 SI JBST ALL AGES A BB MEET | |
| 2 | Morrison Kawecki | 39.89 | 10 | AA Min | AAA: 38.29 (+1.60s | 4.0%) | Rancho San Dieguito | 11/08/2025 | 2025 SI SDSA All Ages NTS Meet | |
| 3 | Declan Bannan | 41.57 | 10 | A Min | AA: 40.19 (+1.38s | 3.3%) | Rancho San Dieguito | 11/08/2025 | 2025 SI SDSA All Ages NTS Meet | |
| 4 | William Lan | 46.43 | 10 | BB Min | A: 42.09 (+4.34s | 9.3%) | Rancho San Dieguito | 10/11/2025 | 2025 SI RSD All Ages B C Meet | |
| 5 | Jonathan Wen | 49.96 | 10 | B Min | BB: 47.69 (+2.27s | 4.5%) | Rancho San Dieguito | 12/05/2025 | SI 2025 RSD All Ages WAG Max | |
| 6 | Preston Bao | 51.76 | 9 | B Min | BB: 47.69 (+4.07s | 7.9%) | Rancho San Dieguito | 10/11/2025 | 2025 SI RSD All Ages B C Meet | |
| 7 | William Chen | 54.63 | 9 | B: 53.39 (+1.24s | 2.3%) | Rancho San Dieguito | 06/07/2025 | 2025 SI JBST Splash Dash Max | ||
| 8 | Ian Cho | 55.63 | 9 | B: 53.39 (+2.24s | 4.0%) | Rancho San Dieguito | 11/08/2025 | 2025 SI SDSA All Ages NTS Meet | ||
| 9 | Sebastian Boda | 58.99 | 8 | B: 53.39 (+5.60s | 9.5%) | Rancho San Dieguito | 08/02/2025 | 2025 SI WIND All Ages NTS Wrap Up Meet | ||
| 10 | Baden Brown | 59.18 | 8 | B: 53.39 (+5.79s | 9.8%) | Rancho San Dieguito | 10/11/2025 | 2025 SI RSD All Ages B C Meet | ||
| 11 | Daniel Sheng | 59.68 | 9 | B: 53.39 (+6.29s | 10.5%) | Rancho San Dieguito | 10/11/2025 | 2025 SI RSD All Ages B C Meet | ||
| 12 | Gabriel Mas | 1:00.23 | 8 | B: 53.39 (+6.84s | 11.4%) | Rancho San Dieguito | 05/04/2025 | 2025 SI FAST 14U NTS | ||
| 13 | Divit Sonavane | 1:03.59 | 10 | B: 53.39 (+10.20s | 16.0%) | Rancho San Dieguito | 10/11/2025 | 2025 SI RSD All Ages B C Meet | ||
| 14 | Andy Han | 1:10.03 | 8 | B: 53.39 (+16.64s | 23.8%) | Rancho San Dieguito | 11/08/2025 | 2025 SI SDSA All Ages NTS Meet | ||
| 15 | James McCloskey | 1:12.34 | 8 | B: 53.39 (+18.95s | 26.2%) | Rancho San Dieguito | 08/02/2025 | 2025 SI WIND All Ages NTS Wrap Up Meet | ||
| 16 | Preston Lee | 1:15.71 | 8 | B: 53.39 (+22.32s | 29.5%) | Rancho San Dieguito | 06/07/2025 | 2025 SI JBST Splash Dash Max | ||
| 17 | Theodore Ho | 1:16.10 | 9 | B: 53.39 (+22.71s | 29.8%) | Rancho San Dieguito | 10/11/2025 | 2025 SI RSD All Ages B C Meet | ||
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.