Location: Cherry Creek State Park, Hobie Hill (West Entrance)


Address: Corner of S. Dayton and Lake View Rd

​               Greenwood Village, CO 80111


Date: September 16, 2017


Type of Terrain: 90% Dirt Trail, 10% Bike Path


Parking: Announced in 2017





Course Notes:

  • Start/Finish location at Hobie Hill
  • Half Marathon elevation gain- 400'
  • ​10k elevation gain- 185'
  • ​Both Half and 10k Courses are out and back courses
  • ​Great for all level of runners


Packet Pick Up Location:


Runner's Roost Denver

1685 Colorado Blvd

​Denver, CO 80222


FAQ's: Answers to FAQ'S for this and other ERS events can be found HERE



The "Grandfather" or maybe the "Godfather" of the ERS. This is the race that started it all, and the race that every runner must do if looking to put feet to dirt... (and cool off off by jumping in the reservoir)

Septmeber 16th, 2017, will see the 8th Annual Denver Trail Half Marathon and 10k, hit the trails once again at beautiful Cherry Creek State Park in Aurora, CO.  The race will start and finish on the West side of the park at Hobbie Hill, next to the marina.


Detailed parking information for the 2017 race will be announced 2nd Qtr 2017. Runners will have the option of parking inside the state park for a daily fee or to park outside at Cherry Creek High School and walk in (about 5 min walk).




Race Schedule

Friday Sept 15:

To Be Announced Soon


Saturday Sept 16:


 5:30am- Race Day Registration Opens

 6:30am- Expo Opens

 7:30am- Half Marathon Starts

 7:50am- 10k Starts

 8:00am- Food Tent Opens

10:00am- Kids Race Starts

10:15am- 10k Awards

10:30am- Half Marathon Awards

11:00am- Expo Closes









Denver Trail Half Marathon and 10K

Course Maps

Colorado's Largest Trail Race Series

Race Details