| 1st | Wyatt Bischoff | Ralston Valley (Arvada, CO) | Preliminary | | 00:52.26 |
| 2nd | Logan Hansen | Chatfield (Littleton, CO) | Preliminary | | 00:52.62 |
| 3rd | Jackson lefever | Arapahoe (Centennial, CO) | Preliminary | | 00:53.02 |
| 4th | Kyle Stopplecamp | Chatfield (Littleton, CO) | Preliminary | | 00:53.05 |
| 5th | Russ Fisher | Arapahoe (Centennial, CO) | Final | | 00:53.13 |
| 6th | Russ Fisher | Arapahoe (Centennial, CO) | Preliminary | | 00:54.39 |
| 7th | Steven Hickox | Lakewood (CO) | Final | | 00:54.57 |
| 8th | Riley Sleigh | Palisade/Grand Junction/Fruita Monument/Grand Junction Central (Palisade, CO) | Final | | 00:54.61 |
| 9th | Reilly Bellen | Lakewood (CO) | Preliminary | | 00:54.73 |
| 10th | Steven Hickox | Lakewood (CO) | Preliminary | | 00:54.85 |
| 11th | Zachary Spate | Evergreen (CO) | Preliminary | | 00:54.98 |
| 12th | Riley Sleigh | Palisade/Grand Junction/Fruita Monument/Grand Junction Central (Palisade, CO) | Preliminary | | 00:55.05 |
| 13th | Zachary Spate | Evergreen (CO) | Final | | 00:55.28 |
| 14th | Reilly Bellen | Lakewood (CO) | Final | | 00:55.29 |
| 15th | Alexander Inman | Evergreen (CO) | Preliminary | | 00:55.55 |
| 16th | Palmer Meyers | Palisade/Grand Junction/Fruita Monument/Grand Junction Central (Palisade, CO) | Preliminary | | 00:55.69 |
| 17th | Nick Hinchsliff | Arapahoe (Centennial, CO) | Final | | 00:55.88 |
| 18th | Braylin Lee | Lakewood (CO) | Final | | 00:56.24 |
| 19th | Palmer Meyers | Palisade/Grand Junction/Fruita Monument/Grand Junction Central (Palisade, CO) | Final | | 00:56.42 |
| 20th | Braylin Lee | Lakewood (CO) | Preliminary | | 00:56.85 |
| 21st | Nick Hinchsliff | Arapahoe (Centennial, CO) | Preliminary | | 00:56.89 |
| 22nd | Alexander Inman | Evergreen (CO) | Final | | 00:57.74 |
| 23rd | Connor Sullivan | Chatfield (Littleton, CO) | Preliminary | | 00:57.83 |
| 24th | Matthew Barnes | Brighton (CO) | Preliminary | | 00:58.00 |
| 25th | Lachlan Mullins | Lakewood (CO) | Preliminary | | 00:58.74 |
| 26th | Greg Nuanes | Brighton (CO) | Preliminary | | 00:58.75 |
| 27th | Jacab Melara | Chatfield (Littleton, CO) | Preliminary | | 00:58.90 |
| 28th | Preston Malcolm | Ralston Valley (Arvada, CO) | Preliminary | | 00:59.05 |
| 29th | Andrew Beard | Standley Lake (Westminster, CO) | Preliminary | | 00:59.31 |
| 30th | Mitch Peotter | Valor Christian (Highlands Ranch, CO) | Preliminary | | 00:59.32 |
| 31st | Tyson Lefever | Arapahoe (Centennial, CO) | Preliminary | | 00:59.55 |
| 32nd | Nick Teegarden | Evergreen (CO) | Preliminary | | 00:59.56 |
| 33rd | Nick Papish | Denver East (Denver, CO) | Preliminary | | 00:59.65 |
| 34th | Sam Sundeen | Golden (CO) | Preliminary | | 00:59.69 |
| 35th | Matthew McNaul | Ralston Valley (Arvada, CO) | Preliminary | | 00:59.92 |
| 36th | Tristan Nieves | Valor Christian (Highlands Ranch, CO) | Preliminary | | 01:00.47 |
| 37th | Mikhail Solok | Grandview (Aurora, CO) | Preliminary | | 01:01.10 |
| 38th | Leif Rowland | D'Evelyn (Denver, CO) | Preliminary | | 01:03.19 |
| 39th | Tobias Farnese | Montrose (CO) | Preliminary | | 01:03.64 |
| 40th | Andrew Ace | Columbine (Littleton, CO) | Preliminary | | 01:03.92 |
| 41st | Finn Garfield | Denver East (Denver, CO) | Preliminary | | 01:04.65 |
| 42nd | Daniel Alzamora | Green Mountain (Lakewood, CO) | Preliminary | | 01:05.12 |
| 43rd | Daniel Mayer | Standley Lake (Westminster, CO) | Preliminary | | 01:05.64 |
| 44th | Christian Kavanagh | Green Mountain (Lakewood, CO) | Preliminary | | 01:05.85 |
| 45th | Daniel DaSilva | Grandview (Aurora, CO) | Preliminary | | 01:05.89 |
| 46th | Immanuel Kyun | Grandview (Aurora, CO) | Preliminary | | 01:07.36 |
| 47th | Gaither Bynum | Palisade/Grand Junction/Fruita Monument/Grand Junction Central (Palisade, CO) | Preliminary | | 01:07.40 |
| 48th | Jordan Cook | Columbine (Littleton, CO) | Preliminary | | 01:08.58 |
| 49th | Seth Brinton | Palisade/Grand Junction/Fruita Monument/Grand Junction Central (Palisade, CO) | Preliminary | | 01:08.81 |
| 50th | Neil Trotter | Valor Christian (Highlands Ranch, CO) | Preliminary | | 01:10.29 |
| 51st | Kyl Olsen | Brighton (CO) | Preliminary | | 01:10.37 |
| 52nd | Trevor Dine | Ralston Valley (Arvada, CO) | Preliminary | | 01:11.18 |
| 53rd | Carlos Garcia | Standley Lake (Westminster, CO) | Preliminary | | 01:11.19 |
| 54th | Conner Johnson | Pomona (Arvada, CO) | Preliminary | | 01:14.88 |
| 55th | Sean Lawlor | Green Mountain (Lakewood, CO) | Preliminary | | 01:17.72 |
| 56th | Nathan Lane | Columbine (Littleton, CO) | Preliminary | | 01:20.12 |
| 57th | Lucas Smith | Brighton (CO) | Preliminary | | 01:20.71 |
| 58th | John Weiler | Golden (CO) | Preliminary | | 01:31.89 |
