COSA Swimming Boys 10 & under 50 Y Back
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 | Theodore Carpenter | 40.68 | 10 | BB Min | A: 37.59 (+3.09s | 7.6%) | COSA Swimming | 01/02/2026 | 2026 CO COSA New Year Open | |
| 2 | Henry Fredericks | 40.77 | 9 | BB Min | A: 37.59 (+3.18s | 7.8%) | COSA Swimming | 01/23/2026 | 2026 CO TOPS Colorado Open | |
| 3 | Cian Coyle | 43.51 | 9 | B Min | BB: 42.89 (+0.62s | 1.4%) | COSA Swimming | 04/25/2026 | 2026 CO COSA Spring SC Kick Off | |
| 4 | Christopher Scheetz | 44.93 | 9 | B Min | BB: 42.89 (+2.04s | 4.5%) | COSA Swimming | 04/25/2026 | 2026 CO COSA Spring SC Kick Off | |
| 5 | Jameson McCall | 45.89 | 10 | B Min | BB: 42.89 (+3.00s | 6.5%) | COSA Swimming | 03/14/2026 | 2026 CO Zone 5 Championships | |
| 6 | William Brewen | 46.94 | 9 | B Min | BB: 42.89 (+4.05s | 8.6%) | COSA Swimming | 02/13/2026 | 2026 CO Valentine Open | |
| 7 | Rhys Brenner | 47.75 | 9 | B Min | BB: 42.89 (+4.86s | 10.2%) | COSA Swimming | 03/14/2026 | 2026 CO Zone 5 Championships | |
| 8 | Jeon Spears | 48.89 | 10 | B: 48.29 (+0.60s | 1.2%) | COSA Swimming | 03/14/2026 | 2026 CO Zone 5 Championships | ||
| 9 | Desmond Saur | 56.18 | 10 | B: 48.29 (+7.89s | 14.0%) | COSA Swimming | 02/13/2026 | 2026 CO Valentine Open | ||
| 10 | William Brewen | 57.78 | 9 | B: 48.29 (+9.49s | 16.4%) | COSA Swimming | 02/14/2025 | 2025 CO COSA Valentine Open | ||
| 11 | Johnny Bryant | 59.42 | 10 | B: 48.29 (+11.13s | 18.7%) | COSA Swimming | 02/14/2025 | 2025 CO COSA Valentine Open | ||
| 12 | Aidan Liebers | 1:02.18 | 7 | B: 48.29 (+13.89s | 22.3%) | COSA Swimming | 01/02/2026 | 2026 CO COSA New Year Open | ||
| 13 | Joshua Kilker | 1:14.19 | 8 | B: 48.29 (+25.90s | 34.9%) | COSA Swimming | 12/19/2025 | 2025 CO Falfins Holiday Open | ||
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.