Colorado's Largest Trail Race Series

Race Schedule

Westminster Trail Half Marathon, 10K, 5K

Celebrate the Easter Holiday with the Endurance Race Series!  Start your trail running season off early and right with our opening event of the season. 

Welcome to the Westminster Trail Half Marathon, 10K, and 5K. This 5th Annual event features flat and fast courses, on both bike path and packed dirt trail. A great course to kick off the trail running season as a competitive , intermediate, or novice runner.

CELEBRATE EASTER WITH THE ERS! Post Event Pancake Breakfast, Coffee, Hot Chocolate, Charity Raffle, Kid's Easter Egg Hunt, and other fun family activities.

Saturday Packet Pickup:

To Be Announced Soon

Race Day Tentative Schedule:

6:00am- Race Day Registration Opens

7:00am- Expo Opens

8:00am- Half Marathon Starts

8:10am- 10k Starts

8:15am- 5k Starts

9:00am- Food Tent Opens

9:45am- Kids Race Starts

10:15am- 10k Awards

10:30am- Half Marathon Awards

11:30am- Expo Closes

Location: Armed Forces Tibute Garden (closest parking lot)

Address: 6001  W. 104th Ave 

               Westminster, CO 80020

Date: 2017 Date To Be Announced

Type of Terrain: 30% Bike Path, 70% Dirt Trail

Parking: Parking is located in lot adjacent to Start/ Finish on 105th Ave             


Course Notes:

  • Start/ Finish moved back to Armed Forces Garden
  • Flat and Fast Courses
  • ​Out and Back Course for all distances
  • 4 Aid Stations for Half, 2 Aid Stations for 10K
  • No Aid Stations for the 5K Course

Packet Pick Up Location:

Runner's Roost Louisville

459 McCaslin Blvd

Louisville, CO 80027

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

Course Maps

Race Details