Location: Roger's Grove Park

Address: 220 S Hover St. 

              Longmont, CO 80501

Date: July 23, 2017

Type of Terrain:  Bike Path and Dirt Trail

                          (For Approx %'s see Course Maps)

Parking: Boulder County Fairgrounds

             (Across the street from Roger's Grove Park)

             - Entrance off Boston Ave

Course Notes:

  • Flat and Fast Course
  • 3 Aid Stations for 10k, 6 Aid Stations for Half
  • Non-Technical, Road or Trail shoes acceptable
  • Less than 200' of elevation gain for 10k, less than 400' for Half

For more detailed course information, maps, testimonials, and course images please see designated course maps.

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

Pre-Race Packet Pickup:

Saturday July 22


Race Day Schedule:

5:30am- Race Day Registration Opens

7:00am- Expo Opens

7:30am- Half Marathon Starts

7:45am- 10k Starts

7:55am- 5k Starts

8:30am- Food Tent Opens

9:45am- Kids Race Starts

10:00am- 10k Awards

10:30am- Half Marathon Awards

11:00am- Expo Closes

​​Want a perfect view of the mountains, a flat and fast course, and a stint around the water? Well then look no further than our July 23rd Longmont trail race.

Welcome to Longmont and scenic Roger's Grove Park.  Settled into the heart of Longmont, the Longmont Trail Half Marathon/10k is a perfect course for the beginner trail runner.  This course is a mix of bike path, dirt trails, mountain views, and a little bit a water.  Both the half marathon and 10k will take runners along the St. Vrain Greenway with a trip into the Golden Ponds Nature Reserve. 

Runners please note that the half marathon is a 2 loop course of the 10k.

NEW IN 2017... We are excited to add a 5K course to this very popular front range

event. Event course announced soon.

Race Details

 Longmont Trail Half Marathon/10K/5K

Race Schedule