2025 Blue Heron Half Marathon and 5k

We’re looking forward to our 4th annual Blue Heron Half Marathon and 5k. Prices will be slightly higher than last year, but still extremely affordable!! The courses are the same as last year’s courses. Links to the course maps can be found below.

Get Me Registered Registration Link

Sunday April April 27th, 2025

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 27th, 2025

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.

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.

All Racers will receive:

Pint Glasses
Running socks or similar swag.
Post-race pancake breakfast.
Age group awards.

2025 Pricing:

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

*Half registration includes membership in Rocky Mountain Road Runners (RMRR), through the end of the calendar year where you get:

- - Free Trophy Series race every month. These races use staggered starts, slow to fast, where everyone has a chance to win.
  - Discounts at RMRRs fall Marathon Training Series races.
  - Discounts at local running stores.

RMRR Members
	Thru 2/28	Thru 4/3	Thru 4/20	after 4/20 – Race day
5k	$15	$20	$25	$30
Half	$25	$30	$35	$40

Get me Registered Registration Link

2025 Courses:

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:

2024

2022 Results:

2022 Blue Heron Half Marathon and 5K results

Pictures:

Here are some pictures of today’s racers and award winners!! Great job everyone!!

2022 Blue Heron photos!

Blue Heron Half & 5k