| Group | Club/Team Name | Team ID | Head Coach |
| A1 | Arsenal Colorado Arsenal Colorado 2015B Gold |
CS01-01RBU9-0085 | Thomas Dungan |
| A2 | Boulder County United Boulder County United 15 Boys Academy Gold |
CS06-06RBU9-0147 | Jeremy Cheeseman |
| A3 | Colorado Ice Soccer Colorado Ice Academy Elite Boys 2015 |
CS19-19RBU9-0038 | Rony Salem |
| A4 | Colorado EDGE Soccer Club EDGE ATP White 15B |
CS54-54RBU9-0178 | Bradley Goldsberry |
| A5 | Colorado Rapids Colorado Rapids Central 15B Select III |
CS23-23RBU9-0648 | Todd Irving |
| A6 | Colorado Rapids Colorado Rapids North 15B Select III |
CS23-23RBU9-0669 | Joshua Henninger |
| A7 | Flatirons Rush Flatirons Rush FC 9U boys |
CS78-01RBU9-0005 | Nicholas Webb |
| A8 | Real Colorado Real CO 2015B North National |
CS53-53RBU9-0309 | Yuriy Hrybovych |
| A9 | United Soccer Club CO United SC Select 2015B |
CS69-69RBU9-0028 | Christopher Santorno |
| A10 | Avalanche SC Avalanche Academy 2015 B Black |
CS72-72RBU9-0029 | Max Sweeney |
| A11 | Boulder County United Boulder County United 15 Boys Academy Silver |
CS06-06RBU9-0148 | Austin Marques |
| A12 | Broomfield Soccer Club Broomfield SC - 2015B Extreme |
CS08-08RBU9-0125 | Sawyer Giles |
| A13 | Colorado EDGE Soccer Club EDGE ATP Yellow 15B |
CS54-54RBU9-0179 | Bradley Goldsberry |
| A14 | Colorado Ice Soccer Colorado Ice Academy Select Boys 2015 |
CS19-19RBU9-0034 | Miguel Vargas |
| A15 | Colorado Rapids Colorado Rapids North 15B Select IV |
CS23-23RBU9-0670 | Lance Griego |