Georgetown to

Idaho Springs

Half Marathon

It's that time again....Time to get registered for 2015.  As of January 1st, registration is open.  You can register at the following site:



Here's a breakdown of the registration fees and timing of increases:


12/1/2014 12:00 a.m.


3/1/2015 12:00 a.m.


5/1/2015 12:00 a.m.


7/1/2015 12:00 a.m.


8/3/2015 12:00 a.m.


37th Annual GTIS Half Marathon will run on Saturday, August 8, 2015.  Race starts at 8:00am in Georgetown. We hope you can all join us then!


NOTE: The email address of racedirector@gtishalf.org is experiencing problems as of July 3, 2014.  Attempts to get resolution from Google have been made, but it is not an easy process!  In the meantime, if anyone needs ANYTHING, please email me directly at my personal email:  nancy.judge@icloud.com and I am so sorry for this inconvenience.

Voted "Best Half Marathon" in 2014 (2nd year in a row!) Competitor Magazine "Best Of... Competition".

 Thank you to all our sponsors and volunteers...this race would not happen without you.






Thank you to all who joined us for our 36th Anniversary 
RESULTS for 2014 are now available.

PICTURES from 2014 are available here