Blue Heron Half & 5k

2026 Blue Heron Half Marathon and 5k

We’re looking forward to our 4th annual Blue Heron Half Marathon and 5k.

Come run this fast scenic course along the Platte River!!

Courses are subject to change due to construction along the trail. Links to the course maps can be found below.

Sunday April April 26th, 2026

Riverdale Regional Park, Brighton, CO

Come join us for the 4th Annual Blue Heron Half Marathon and 5k!

  • The Blue Heron Half Marathon and 5K courses are flat and fast along the S Platte River.
  • Both courses start and finish at Riverdale Regional Park, across from Adams County Fairgrounds.
  • Along the course you will enjoy wildlife, placid waters, and scenic views as you run these PR attainable courses. 

Date and Time

April 26th, 2026

Half Marathon starts at 8 am

    • Early start times are available for those expecting to finish in more than 2:30:00. 

5k starts at 8:45 am

Race day registration will begin at 7:00 am.

Packet pickup for pre-registered racers also is on race day morning and will begin at 7:15 am.

RunSignup Registration LInk

Directions and Parking:

From Denver, take I-76 east to exit 12 (US-85 North). Take US-85 north to 124th ave. Take a left on 124th ave (Henderson Road). Take a right on Park Blvd. Take a right on Campground way. The parking lot will be on the right.

NEW PARKING INSTRUCTIONS DUE TO CONSTRUCTION

Enter the parking lot of the Adams County museum, just off of Henderson Rd. Go straight back on the road in the parking lot and follow it around clockwise until you pass the dome and then reach the exhibit hall. You will be parking in the exhibit hall parking lot for the race.

 

 

All Racers will receive:

 

  • All awards will be announced soon!

2026 Pricing:

For Non-RMRR members:
  Thru 2/28 3/1 – 3/31 4/1 – 4/19 4/20 – 4/24         Race Day
     5k $30 $35 $40      $45                       $50
   Half* $65 $70 $75      $80                       $90

We are offering friends and family pricing discounts as well!!  Get $5 if 2 people register together, $10 off if 3 people register together, and $15 off if 5 or more register together!!

RMRR members receive 50% off the price of registration

Run Signup Registration Link

 

 

2026 Courses:

subject to change due to construction on the trail

Course Descriptions:

5k:   Flat and fast, about 50% paved, 50% smooth dirt.
 
Half Marathon:   Mostly flat and fast, ~3.5mi smooth dirt. It starts with a loop around Mann-Nyholt lake, up to the N, by the S/F again (at about 2mi), back around the lake again. Then, head S, slightly uphill, to Valente Lake. There, you’ll do a 1.2mi loop on smooth dirt. Then, return back, slightly downhill, to the finish.
 
There are three aid stations that you’ll hit multiple times: ~0.8, 2.8, 4.25, 7.1, 8.25, 11.1, and 12.5 miles.
 
Bathrooms at the S/F, 4.25, 7.1, 8.25, 11.1.

5 Km

Half Marathon Course

 

Start/Finish Area:

2025 Results:

Blue Heron 2025 Results Link

2025 Pictures

 

2024 Results:

Blue Heron Half Marathon and 5km 2024 results link

Blue Heron Half Marathon 2023 results link

Blue Heron Half Marathon 2023 pictures link

2023 Results:

2023 Blue Heron Half Marathon and 5K results

 

 

Related Images: