Colorado Swimming Boys 10 & under - 50 Y Back
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 51 | Matthew Ko | 41.60 | 9 | BB Min | A: 37.59 (+4.01s | 9.6%) | Aspire Aquatics of Colorado | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 52 | Parker Sampson | 41.61 | 9 | BB Min | A: 37.59 (+4.02s | 9.7%) | Denver Swim Academy | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 53 | Desmond Hardy | 41.67 | 10 | BB Min | A: 37.59 (+4.08s | 9.8%) | COSA Swimming | 01/02/2026 | 2026 CO COSA New Year Open | |
| 54 | Elijah White | 41.71 | 9 | BB Min | A: 37.59 (+4.12s | 9.9%) | Fort Collins Area Swim Team | 03/07/2025 | 2025 CO NCS Winter District Championships | |
| 55 | James Davidson | 41.72 | 10 | BB Min | A: 37.59 (+4.13s | 9.9%) | Denver Swim Academy | 12/12/2025 | 2025 CO FAST Bill Spahn Mid Season Finale | |
| 56 | Andrew DiPaulo | 41.85 | 8 | BB Min | A: 37.59 (+4.26s | 10.2%) | Denver Athletic Club Swim Team | 02/15/2025 | 2025 CO Aces Winter Open | |
| 57 | Nicholas Harrold | 41.89 | 10 | BB Min | A: 37.59 (+4.30s | 10.3%) | Pikes Peak Athletics | 01/10/2026 | 2026 CO PPA January Meet | |
| 58 | Joel Stees | 41.99 | 9 | BB Min | A: 37.59 (+4.40s | 10.5%) | Aquawolves Swimming | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 59 | William Levy | 42.02 | 10 | BB Min | A: 37.59 (+4.43s | 10.5%) | Colorado Blue | 12/19/2025 | 2025 CO Falfins Holiday Open | |
| 60 | Blaze Garcia | 42.08 | 10 | BB Min | A: 37.59 (+4.49s | 10.7%) | Pueblo County Swim Team | 01/02/2026 | 2026 CO COSA New Year Open | |
| 61 | Bo Cunningham | 42.10 | 9 | BB Min | A: 37.59 (+4.51s | 10.7%) | North Jeffco Swim Team | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 62 | Henry Fredericks | 42.11 | 8 | BB Min | A: 37.59 (+4.52s | 10.7%) | COSA Swimming | 12/19/2025 | 2025 CO Falfins Holiday Open | |
| 63 | Otto Seeber | 42.17 | 9 | BB Min | A: 37.59 (+4.58s | 10.9%) | Flatiron Athletic Club | 01/09/2026 | 2026 CO NJ Narwhal Invitational | |
| 64 | Jacob Akerley | 42.17 | 9 | BB Min | A: 37.59 (+4.58s | 10.9%) | Rocky Mountain Rapids | 12/19/2025 | 2025 CO Falfins Holiday Open | |
| 65 | Charlie Wheeler | 42.21 | 10 | BB Min | A: 37.59 (+4.62s | 10.9%) | Longmont Swim Club | 01/16/2026 | 2026 CO CUDA Classic | |
| 66 | Santino Verderaime | 42.21 | 8 | BB Min | A: 37.59 (+4.62s | 10.9%) | Pikes Peak Athletics | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 67 | Bennett Kohlmeyer | 42.36 | 10 | BB Min | A: 37.59 (+4.77s | 11.3%) | Life Time Colorado Swim Club | 01/16/2026 | 2026 CO CUDA Classic | |
| 68 | William Tate | 42.51 | 10 | BB Min | A: 37.59 (+4.92s | 11.6%) | Pueblo County Swim Team | 12/19/2025 | 2025 CO Falfins Holiday Open | |
| 69 | Jaden Langley | 42.60 | 8 | BB Min | A: 37.59 (+5.01s | 11.8%) | Rocky Mountain Rapids | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 70 | Charlie Sundberg | 42.68 | 9 | BB Min | A: 37.59 (+5.09s | 11.9%) | Univ. of Denver Hilltoppers | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 71 | Louis Zhang | 42.89 | 10 | B Min | BB: 42.89 (+0.00s | -0.0%) | Aces Swim Club | 01/09/2026 | 2026 CO NJ Narwhal Invitational | |
| 72 | Finn Swarts | 42.91 | 7 | B Min | BB: 42.89 (+0.02s | 0.0%) | North Jeffco Swim Team | 12/12/2025 | 2025 CO NJ Blizzard Invite | |
| 73 | Sterling Hansen | 42.92 | 10 | B Min | BB: 42.89 (+0.03s | 0.1%) | Brighton Bullfrogs Swim Club | 01/16/2026 | 2026 CO CUDA Classic | |
| 74 | Rowan Sargent | 42.98 | 8 | B Min | BB: 42.89 (+0.09s | 0.2%) | Front Range Barracudas | 03/07/2025 | 2025 CO NCS Winter District Championships | |
| 75 | Sullivan Nelson | 43.02 | 9 | B Min | BB: 42.89 (+0.13s | 0.3%) | Evergreen Hurricanes | 01/09/2026 | 2026 CO NJ Narwhal Invitational | |
| 76 | Joaquin Garcia | 43.03 | 9 | B Min | BB: 42.89 (+0.14s | 0.3%) | Swim Dogs | 01/03/2026 | 2026 CO MACS Winter Invitationak | |
| 77 | Gage Sena | 43.08 | 9 | B Min | BB: 42.89 (+0.19s | 0.4%) | Lamarlins Swim Team, Inc. | 07/25/2025 | 2025 CO SECAL Championships | |
| 78 | Beckett Alvord | 43.09 | 8 | B Min | BB: 42.89 (+0.20s | 0.5%) | Team Sopris Swimming | 01/10/2025 | 2025 CO MAValanche Invitational | |
| 79 | Kellen Cox | 43.29 | 9 | B Min | BB: 42.89 (+0.40s | 0.9%) | Denver Athletic Club Swim Team | 01/09/2026 | 2026 CO NJ Narwhal Invitational | |
| 80 | Owen Rapp | 43.32 | 10 | B Min | BB: 42.89 (+0.43s | 1.0%) | Front Range Barracudas | 01/09/2026 | 2026 CO CUDA January Pizza Meet | |
| 81 | Bennett Burtz | 43.35 | 9 | B Min | BB: 42.89 (+0.46s | 1.1%) | CAC Stingrays Swim Team | 12/14/2025 | 2025 CO FORM Winter Open | |
| 82 | Bennett Arguello | 43.40 | 9 | B Min | BB: 42.89 (+0.51s | 1.2%) | Greenwood Tiger Sharks | 12/12/2025 | 2025 CO NJ Blizzard Invite | |
| 83 | Adrian Mendoza | 43.43 | 9 | B Min | BB: 42.89 (+0.54s | 1.2%) | Front Range Barracudas | 12/06/2024 | 2024 CO CSI Pioneer Open | |
| 84 | Caleb Taussig | 43.45 | 9 | B Min | BB: 42.89 (+0.56s | 1.3%) | Denver Swim Academy | 01/02/2026 | 2026 CO COSA New Year Open | |
| 85 | Matthew Caldwell | 43.53 | 9 | B Min | BB: 42.89 (+0.64s | 1.5%) | Univ. of Denver Hilltoppers | 12/13/2024 | 2024 CO FAST Bill Spahn Mid Season Finale | |
| 86 | Darsh Bahri | 43.53 | 10 | B Min | BB: 42.89 (+0.64s | 1.5%) | Aces Swim Club | 01/09/2026 | 2026 CO NJ Narwhal Invitational | |
| 87 | Henry Luevano | 43.53 | 7 | B Min | BB: 42.89 (+0.64s | 1.5%) | Aces Swim Club | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 88 | Calvin Kvamme | 43.55 | 10 | B Min | BB: 42.89 (+0.66s | 1.5%) | Fort Collins Area Swim Team | 01/10/2026 | 2026 CO FAST Vs TOPS Vs RIP | |
| 89 | Henrik Thomas | 43.58 | 9 | B Min | BB: 42.89 (+0.69s | 1.6%) | North Jeffco Swim Team | 12/12/2025 | 2025 CO NJ Blizzard Invite | |
| 90 | Ryan Lee | 43.71 | 10 | B Min | BB: 42.89 (+0.82s | 1.9%) | Highlands Ranch Aquatics | 12/19/2025 | 2025 CO Falfins Holiday Open | |
| 91 | Landon Callaway | 43.80 | 9 | B Min | BB: 42.89 (+0.91s | 2.1%) | Aces Swim Club | 12/06/2024 | 2024 CO CSI Pioneer Open | |
| 92 | Demid Mozgov | 43.86 | 9 | B Min | BB: 42.89 (+0.97s | 2.2%) | Bure-Aqua Academy | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 93 | John Glenn | 43.87 | 9 | B Min | BB: 42.89 (+0.98s | 2.2%) | SlipStream Aquatics | 01/09/2026 | 2026 CO NJ Narwhal Invitational | |
| 94 | Paxton Padilla | 43.89 | 9 | B Min | BB: 42.89 (+1.00s | 2.3%) | Pueblo County Swim Team | 12/19/2025 | 2025 CO Falfins Holiday Open | |
| 95 | Kolten Graver | 43.90 | 9 | B Min | BB: 42.89 (+1.01s | 2.3%) | Life Time Colorado Swim Club | 12/14/2025 | 2025 CO FORM Winter Open | |
| 96 | Asher Cariazo | 43.92 | 9 | B Min | BB: 42.89 (+1.03s | 2.3%) | Montrose Marlins Swim Club | 05/17/2025 | 2025 CO Western Slope IM Challenge | |
| 97 | Bradley Royce | 43.94 | 9 | B Min | BB: 42.89 (+1.05s | 2.4%) | Highlands Ranch Aquatics | 12/19/2025 | 2025 CO Falfins Holiday Open | |
| 98 | Jack Wilson | 43.95 | 10 | B Min | BB: 42.89 (+1.06s | 2.4%) | Aces Swim Club | 12/12/2025 | 2025 CO NJ Blizzard Invite | |
| 99 | Aaden Foster | 44.05 | 9 | B Min | BB: 42.89 (+1.16s | 2.6%) | Denver Swim Academy | 01/02/2026 | 2026 CO COSA New Year Open | |
| 100 | Owen Weber | 44.21 | 9 | B Min | BB: 42.89 (+1.32s | 3.0%) | CAC Stingrays Swim Team | 12/14/2025 | 2025 CO FORM Winter 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.