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Athletics

Thornton vs Northglenn Football game. Thornton player tackling Northing football player
Softball player waiting for the ball
Flag Football player catching the football with teammates around and opposing team
Basketball player shooting the basketball during a game
wrestler preparing for his match
Basketball player blocking their opponents shot
Thorntons Gym packed from wall to wall during the CHSAA State Gymnastics Event
Marching band and Cheer taking a picture in front of Walmart during their grand reopening event
Student athlete running in a a track meet

SPRING SPORTS REGISTRATION 

Register for Boys Swimming or Girls Lacrosse
Register for Boys Volleyball
Register for Boys Lacrosse

Spring Sports Registration will open on Monday, February 2nd, 2026.
First day of tryouts/Spring Season is Monday, February 23rd, 2026

Athletic fee: $185

($92.50 reduced benefits, free for all who qualify for free benefits. You will need to select "share information" so that the school is able to apply the free and reduced benefits to your student's account.)

This fee will NOT be on your student's account until all tryouts are done and rosters are finalized.

Find out if you qualify for free or reduced benefits.

Transportation Information
Spring Sports: Boys Baseball, Boys Swimming (Horizon), Girls Golf, Girls Soccer, Girls Tennis, Track and Field, Girls Lacrosse (Horizon), Boys Volleyball (Legacy), Boys Lacrosse (Mountain Range), Unified Basketball

ALL ATHLETES MUST BE REGISTERED PRIOR TO TRYOUTS and/or THE FIRST PRACTICE! YOUR STUDENT WILL NOT BE ABLE TO TRYOUT OR PARTICIPATE IN PRACTICES UNLESS YOUR REGISTRATION IS FULLY COMPLETED.

All students who participate in Athletics will be required to use the CHSAA approved physical form.  All other forms provided by your student's doctor will not be accepted.  Only current physicals already on file will be acceptable until its expiration date. You will need to use the CHSAA approved form moving forward. Spanish Version

 To Register: Please visit our registration website.

  -Monday, February 2nd, 2026 - Spring Registration opens; visit the link above
  -Monday, February 23rd, 2026 - First day of the Spring Season/Tryouts

  • Complete the registration
  • Upload physical using the CHSAA required forms in this link: CHSAA Preparticipation Examination (PPE)  
  • Spanish Version CHSAA Preparticipation Examen Previo a la Participación (PPE)
  • Pay the $185 district/Athletic Fee for Fall on Payforit.net
  • This fee will NOT be on your student's account until all tryouts are done and rosters are finalized. Please be patient with the coaches, our athletic secretary, and our bookkeeper while this fee is being added to your student's account. 
  • If you are new to THS as a 10th, 11th or 12th grader and plan to participate in sports please contact the athletic office to begin the transfer process! 

Athletic Assistant 

Yuliza "Juju" Castrejon
cas023024@adams12.org
720-972-4816

Fall Sports
Aug-End of Oct

Winter Sports
Nov-Feb

Spring Sports
End of Feb- May

Boys Golf Boys Basketball Baseball
Boys Soccer Boys Wrestling Girls Golf
Cheer Cheer Girls Soccer
Cross Country Girls Basketball Girls Tennis
Flag Football Girls Wrestling Track and Field
Boys Tennis (NGHS) Girls Swimming (NGHS) Boys Swimming (HHS)
Football   Unified Basketball
Gymnastics   Girls Lacrosse (HHS)
Softball   Boys Volleyball (LHS)
Volleyball   Boys Lacrosse (MRHS)
Unified Bowling