Ralston Creek Half Marathon & 5k

Arvada

 

The Ralston Creek Half Marathon and 5K returns in 2019, after sold out fields in the half for the past 7 years! Join us at Colorado’s Premier Winter Half Marathon, and the finale to the 2018-2019 Racing Underground winter running series.

The Ralston Creek races feature a fun winter half-marathon and 5K run conveniently located on the west side of the Denver Metro Area in Arvada, Colorado. The courses covers a scenic mix of road and bike path over rolling terrain, and an optional early start time for half-marathon runners who expect to take more than 2.5 hours to complete the course!

Event details and registration here

Series Events:

Superior Stocking Run – Dec. 16, 2018

Yeti Chase 5k/10k – Jan. 20, 2019

Ralston Creek Half Marathon & 5k – Feb. 3, 2019

Stocking Run 5k

Superior

 

Join us on Sunday December 16th for a fun and festive, family-friendly 5K run and walk in the town of Superior – conveniently located off Highway 36 between Denver and Boulder. Get a head start on the holiday season with the Stocking Run!!!

All entrants will receive a red felt stocking chock-full of sponsor goodies! How fun is that!!! And stockings for kids age 8 and under will include a tiny toy!

This is also the first race in the Racing Underground winter running series. The series has been extremely popular, selling out two of the three events every year!

Event details and registration here

 

Series Events:

Superior Stocking Run – Dec. 16, 2018

Yeti Chase 5k/10k – Jan. 20, 2019

Ralston Creek Half Marathon & 5k – Feb. 3, 2019

 

 

Yeti Chase 5k/10k

Morrison

 

This 5k/10k run is brought to you by Racing Underground. Conveniently located on the scenic west side of metro Denver, Bear Creek Lake Park is known for it’s diverse bird and waterfowl population as well as stunning views of the foothills.

The 5k and 10k races wander it’s 2500 acres with a mostly flat 5K course, while the 10k throws in a few rolling hills. The race has sold out weeks before race day every year, and offers something for everyone, with Long Sleeve Technical Shirts for all participants, hot chocolate and other yummy post-race food, Free Photo Downloads, and $1,000 prize money for the top finishers!

 

Event details and registration here

Series Events:

Superior Stocking Run – Dec. 16, 2018

Yeti Chase – Jan. 20, 2019

Ralston Creek Half Marathon & 5k – Feb. 3, 2019

 

Chilly Cheeks Duathon Series Race #3

Aurora

 

Denver’s low key, low cost multisport winter series!!!

The Chilly Cheeks Winter Duathlon series is composed of three run-bike events at the Cherry Creek Reservoir. We provide a marked and marshaled course, fast & accurate chip timing, light refreshments, and some fun mid-winter competition in the heart of Denver. Enter one race, or all-three – it’s up to you.

Register for all three duathlons by December 7th and get a pair of Chilly Cheeks Sweat Pants – perfect for pulling on post-race or for lounging around the house. These are always a big hit!

 

Event details and Series Registration here

 

Series Events:

Race #1  December 8, 2018

Race #2  January 12, 2019

Race #3  February 23, 2019

Chilly Cheeks Duathlon Series Race #2

Aurora

 

Denver’s low key, low cost multisport winter series!!!

The Chilly Cheeks Winter Duathlon series is composed of three run-bike events at the Cherry Creek Reservoir. We provide a marked and marshaled course, fast & accurate chip timing, light refreshments, and some fun mid-winter competition in the heart of Denver. Enter one race, or all-three – it’s up to you.

Register for all three duathlons by December 7th and get a pair of Chilly Cheeks Sweat Pants – perfect for pulling on post-race or for lounging around the house. These are always a big hit!

 

Event details and Series Registration here

 

Series Events:

Race #1  December 8, 2018

Race #2  January 12, 2019

Race #3  February 23, 2019

Chilly Cheeks Duathlon Series Race #1

Aurora

Denver’s low key, low cost multisport winter series!!!

The Chilly Cheeks Winter Duathlon series is composed of three run-bike events at the Cherry Creek Reservoir. We provide a marked and marshaled course, fast & accurate chip timing, light refreshments, and some fun mid-winter competition in the heart of Denver. Enter one race, or all-three – it’s up to you.

Register for all three duathlons by December 7th and get a pair of Chilly Cheeks Sweat Pants – perfect for pulling on post-race or for lounging around the house. These are always a big hit!

 

Event details and Series Registration here

 

Series Events:

Race #1  December 8, 2018

Race #2  January 12, 2019

Race #3  February 23, 2019

Weekend Preview: Let’s Do Some Running

Triathlon Events

Saturday April 21st

 

Silver Creek Raptor Run 5k

Longmont


Three Creeks Half Marathon

Denver



Cycling Events 

Saturday April 21st

 

Bill Davis Road Cup – Cancelled

Johbstown


Gravelanche Ride #3

Boulder


Bring Out Yer Bike

Denver


Squawker Classic TTT & Criterium

Durango


Sunday April 22nd

 

Squawker Classic Road Race

Durango

Weekend Preview: Snowy Fun

Triathlon Events

Saturday Feb. 24th

 

Chilly Cheeks Duathlon Series – Race #3

Denver


Vail Nordic Center Winter Triathlon

Vail



Cycling Events

Friday Feb. 23rd

 

Pastries on the Path

Boulder


USA Cycling Elite BMX National Championships

Oldsmar, Fl


Saturday Feb. 24th

 

MADHORN Fat Bike Races

Mesa


Sunday Feb. 25th

 

MADHORN Fat Bike Races

Mesa


Stauton Blizzard Fat Bike Race

Pine

Weekend Preview: Happy Weekend

Triathlon Events

Saturday Feb 17th

 

VillaSports Indoor Youth Triathlon

Colorado Springs


Sunday Feb 18th

 

Ralston Creek Half Marathon & 5k

Arvada



Cycling Events

Saturday Feb 17th

 

18th Annual Tennessee Pass Night Jam

Leadville


Sunday Feb. 18th

 

Boulder Cycle Sport Group Ride with Eros Poli & InGAMBA

Boulder