Colorado Swimming Boys 10 & under - 50 Y Free
These rankings show the swimmers' placement within their Local Swimming Committee (LSC).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 | Owen Rapp | 15.41 | 10 | AAAA Min | Front Range Barracudas | 03/06/2026 | 2026 CO NCS Winter District Championships | ||
| 2 | Nikolay Ramirez | 24.84 | 9 | AAAA Min | Rocky Ford Blue Marlins | 10/17/2025 | 2025 Belen Jesuit Invitational | ||
| 3 | Owen Austin | 25.79 | 9 | AAAA Min | Corvallis | 02/11/2026 | 2026 OR HS 5a 3 | ||
| 4 | Sam Merlino | 26.54 | 9 | AAAA Min | Corvallis | 02/15/2025 | 2025 OR HS 5a 3 | ||
| 5 | Sam Merlino | 26.67 | 9 | AAAA Min | Corvallis | 01/18/2025 | Rumbaugh 2025 | ||
| 6 | Walter Smith | 26.87 | 9 | AAAA Min | Fort Collins Area Swim Team | 03/06/2026 | 2026 CO NCS Winter District Championships | ||
| 7 | Mark Porter | 27.32 | 10 | AAAA Min | Coral Shores High School | 10/21/2025 | 2025 FHSAA 1A District 12 | ||
| 8 | Jake Zobec | 28.57 | 10 | AAA Min | AAAA: 27.49 (+1.08s | 3.8%) | Denver Triton Swim Team | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 9 | Michael Strimbu | 28.91 | 10 | AA Min | AAA: 28.69 (+0.22s | 0.8%) | Corvallis | 02/11/2026 | 2026 OR HS 5a 3 | |
| 10 | Michael Strimbu | 29.27 | 9 | AA Min | AAA: 28.69 (+0.58s | 2.0%) | Corvallis | 01/18/2025 | Rumbaugh 2025 | |
| 11 | Brooks Fraser | 29.48 | 9 | AA Min | AAA: 28.69 (+0.79s | 2.7%) | Aquawolves Swimming | 02/28/2025 | 2025 CO CSI 14 U Age Group Championships | |
| 12 | Wyatt Larson | 29.56 | 10 | AA Min | AAA: 28.69 (+0.87s | 2.9%) | Denver Swim Academy | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 13 | Timofey Belov | 29.58 | 10 | AA Min | AAA: 28.69 (+0.89s | 3.0%) | Pikes Peak Athletics | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 14 | Gareth Oldham | 29.62 | 10 | AA Min | AAA: 28.69 (+0.93s | 3.1%) | Castle Rock Swimming | 02/14/2026 | 2026 CO ACES Winter Open | |
| 15 | Oliver Gist-Pitts | 29.92 | 10 | A Min | AA: 29.89 (+0.03s | 0.1%) | Boulder Swim Team | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 16 | Rebel Urena | 30.35 | 9 | A Min | AA: 29.89 (+0.46s | 1.5%) | Rocky Ford Blue Marlins | 10/17/2025 | 2025 Belen Jesuit Invitational | |
| 17 | William Trueman | 30.49 | 11 | A Min | AA: 29.89 (+0.60s | 2.0%) | CAC Stingrays Swim Team | 01/02/2026 | 2026 CO COSA New Year Open | |
| 18 | Carter Hollingsworth | 30.55 | 10 | A Min | AA: 29.89 (+0.66s | 2.2%) | Castle Rock Swimming | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 19 | Gareth Oldham | 30.65 | 10 | A Min | AA: 29.89 (+0.76s | 2.5%) | Castle Rock Swimming | 01/23/2026 | 2026 CO FAST Winter Open | |
| 20 | Charlie Wheeler | 30.87 | 10 | A Min | AA: 29.89 (+0.98s | 3.2%) | Longmont Swim Club | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 21 | Reid Kelly | 30.98 | 9 | A Min | AA: 29.89 (+1.09s | 3.5%) | Front Range Barracudas | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 22 | Wesley Ho | 31.04 | 10 | A Min | AA: 29.89 (+1.15s | 3.7%) | Aspire Aquatics of Colorado | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 23 | Callum Gillilan | 31.05 | 10 | A Min | AA: 29.89 (+1.16s | 3.7%) | Fort Collins Area Swim Team | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 24 | Vincent Welter | 31.10 | 9 | BB Min | A: 31.09 (+0.01s | 0.0%) | Corvallis | 01/18/2025 | Rumbaugh 2025 | |
| 25 | Larkin Stevens | 31.20 | 9 | BB Min | A: 31.09 (+0.11s | 0.4%) | Mission Aurora Colorado Swimmi | 03/14/2025 | 2025 CO NJ Mile High Championships | |
| 26 | Parker Sampson | 31.22 | 10 | BB Min | A: 31.09 (+0.13s | 0.4%) | Denver Swim Academy | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 27 | Elijah Hutagalung | 31.24 | 10 | BB Min | A: 31.09 (+0.15s | 0.5%) | Aspire Aquatics of Colorado | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 28 | Jaxon Despain | 31.30 | 9 | BB Min | A: 31.09 (+0.21s | 0.7%) | Denver Swim Academy | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 29 | Liam Kwak | 31.32 | 10 | BB Min | A: 31.09 (+0.23s | 0.7%) | Life Time Colorado Swim Club | 03/06/2026 | 2026 CO 14 U Silver State | |
| 30 | Logan Fischer | 31.85 | 10 | BB Min | A: 31.09 (+0.76s | 2.4%) | Denver Swim Academy | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 31 | Matthew Ko | 32.03 | 10 | BB Min | A: 31.09 (+0.94s | 2.9%) | Aspire Aquatics of Colorado | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 32 | Bennett Arguello | 32.03 | 9 | BB Min | A: 31.09 (+0.94s | 2.9%) | Greenwood Tiger Sharks | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 33 | Matthew Caldwell | 32.10 | 10 | BB Min | A: 31.09 (+1.01s | 3.1%) | Univ. of Denver Hilltoppers | 03/06/2026 | 2026 CO 14 U Silver State | |
| 34 | Jaxon Mondragon | 32.10 | 10 | BB Min | A: 31.09 (+1.01s | 3.1%) | Aquawolves Swimming | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 35 | Aiden Zeher | 32.16 | 9 | BB Min | A: 31.09 (+1.07s | 3.3%) | Coral Shores High School | 10/21/2025 | 2025 FHSAA 1A District 12 | |
| 36 | Tyler Fons | 32.23 | 10 | BB Min | A: 31.09 (+1.14s | 3.5%) | North Jeffco Swim Team | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 37 | Tripp Liberman | 32.23 | 10 | BB Min | A: 31.09 (+1.14s | 3.5%) | Rocky Mountain Rapids | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 38 | Beckham Sleeth | 32.31 | 9 | BB Min | A: 31.09 (+1.22s | 3.8%) | Highlands Ranch Aquatics | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 39 | Uriah Sanchez | 32.39 | 10 | BB Min | A: 31.09 (+1.30s | 4.0%) | Rocky Mountain Rapids | 02/13/2026 | 2026 CO Rapids Championship Kick Off | |
| 40 | Matthew McNeilly | 32.42 | 9 | BB Min | A: 31.09 (+1.33s | 4.1%) | CAC Stingrays Swim Team | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 41 | David Grant | 32.43 | 10 | BB Min | A: 31.09 (+1.34s | 4.1%) | Fort Collins Area Swim Team | 12/12/2025 | 2025 CO FAST Bill Spahn Mid Season Finale | |
| 42 | Bo Cunningham | 32.46 | 10 | BB Min | A: 31.09 (+1.37s | 4.2%) | North Jeffco Swim Team | 03/06/2026 | 2026 CO 14 U Silver State | |
| 43 | Henry Sundberg | 32.47 | 8 | BB Min | A: 31.09 (+1.38s | 4.3%) | Univ. of Denver Hilltoppers | 01/23/2026 | 2026 CO TOPS Colorado Open | |
| 44 | Emory Hulslander | 32.52 | 8 | BB Min | A: 31.09 (+1.43s | 4.4%) | Aces Swim Club | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 45 | Luke Wang | 32.53 | 9 | BB Min | A: 31.09 (+1.44s | 4.4%) | Flatiron Athletic Club | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 46 | Nolan Rhamey | 32.54 | 10 | BB Min | A: 31.09 (+1.45s | 4.5%) | North Jeffco Swim Team | 01/09/2026 | 2026 CO NJ Narwhal Invitational | |
| 47 | Samuel Hora | 32.61 | 10 | BB Min | A: 31.09 (+1.52s | 4.7%) | Montrose Marlins Swim Club | 03/06/2026 | 2026 CO 14 U Silver State | |
| 48 | Demid Mozgov | 32.71 | 10 | BB Min | A: 31.09 (+1.62s | 5.0%) | Bure-Aqua Academy | 02/14/2026 | 2026 CO ACES Winter Open | |
| 49 | Jaafar Lahmidi | 32.78 | 10 | BB Min | A: 31.09 (+1.69s | 5.2%) | Foothills Swim Team | 01/16/2026 | 2026 CO CUDA Classic | |
| 50 | Rowan Sargent | 32.94 | 9 | BB Min | A: 31.09 (+1.85s | 5.6%) | Flatiron Athletic Club | 02/27/2026 | 2026 CO CSI SC 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.