Three Fun Run & Bike Events at Denver's Cherry Creek State Park

*** We also offer a 4 Mile Run-Only Option at all three Chilly Cheeks events ***

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2017-2018 Series
Standings

December Race:
12/09/2017

Register for December
Results for December

Signing up for the whole series? Just select the series option when you sign up for the December race.


January Race:
01/13/2018

Register for January
Results for January


February Race:
02/24/2018

Register for February
Results for February


Some video from the January 2012 race!


Some video from the February 2012 race!


Race & Entry Information

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 9th 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, so they're back for the 2017/2018 series!

2016/2017 Entry Fees

Duathlon Series Entry: Includes all three races and a free pair of Chilly Cheeks Sweat Pants!

  • Through September 27 - $95 Sept. 28 - Nov. 25 - $100
  • Nov. 26 - 5pm Dec. 8 - $105
  • December 9th - $110

Individual Race Duathlon Entry: (duathlon sweat pants available for an additional $20)

  • Race-1: $35 through 9/27; $40 9/28-11/25; $45 11/26-12/8; $50 on race day
  • Race-2: $35 through 9/27; $40 9/28-12/30; $45 12/31-1/12; $50 on race day
  • Race-3: $35 through 9/27; $40 9/28-2/10; $45 2/11-2/22; $50 on race day

4-Mile Run Series Entry: (duathlon sweat pants available for an additional $20)

  • Through September 27 - $45 Sept. 28 - Nov. 25 - $50
  • Nov. 26 - 5pm Dec. 8 - $55
  • December 9th - $60

Individual Race 4-Mile Run Entry: (duathlon sweat pants available for an additional $20)

  • Race-1: $15 through 9/27; $19 9/28-11/25; $22 11/26-12/8; $25 on race day
  • Race-2: $15 through 9/27; $19 9/28-12/30; $22 12/31-1/12; $25 on race day
  • Race-3: $15 through 9/27; $19 9/28-2/10; $22 2/11-2/23; $25 on race day

Online registration will close at 5pm the Friday before each event. Entry fee does not include park entry.

Awards will be presented for the overall series only. You may choose to race in the Fat Tire category or in the Open division. Open division participants can ride whatever bike is appropriate for the weather conditions. Fat Tire must ride a mountain bike.

The Open division will have 5 age categories for men and women: 29 & under, 30-39, 40-49, 50-59, and 60 & over. (Sorry, no relay teams).

Fat Tire Division will have 3 age categories for men and women: 39 & under and 40-49, and 50 & over. (Sorry, no relay teams)

If you enter the Fat Tire Division, you must ride a mountain bike or Hybrid with a minimum tire width of 1.90. If you enter the Open Division, you may ride whatever type of bike the weather and course conditions dictate.

Run-Only Division will have 2 age categories for men and women: 39 & under and 40 & over.


Sometimes it's sunny and dry

Remember, this is a winter event, and although the entire bike course is paved, there may be snow, sand, and/or ice along the route. This website will be updated approximately 2 days before each event with the course condition to assist you in choosing your bike and shoes for the event. All race information will be posted to this website - no pre-race email updates will be sent.


Sometimes it's snowy and grey

Races will be contested regardless of conditions - and if the weather warrants we may change the distances, course, or format of the race accordingly, so no grumbling - this is all about having fun in the winter.


Point Standings & Awards

Points will be awarded in two divisions - Fat-Tire and Open. There are 5 age categories for men and women in open division: 29 & under, 30-39, 40-49, 50-59, and 60 & over. There are 3 age categories in the Fat Tire division: 39 & under, 40-49, and 50 & over.

Race results for each race will be based on your age on race day, however your series age will be based on your age on December 31, 2017. Series points and awards will go by your age on December 31, 2017 to avoid the situation where a person starts the series in one category and moves into a different category in the January or February event. You cannot switch series categories once the series begins.

If you enter the Fat Tire Division, you must ride a mountain bike or Hybrid with a minimum tire width of 1.90. If you enter the Open Division, you may ride whatever type of bike the weather and course conditions dictate.

Remember, this is a winter event, and although the entire bike course is paved, there may be snow, sand, and/or ice along the route. This website will be updated approximately 2 days before each event with the course condition to assist you in choosing your bike and shoes for the event. No pre-race email will be sent.

Races will be contested regardless of conditions - and if the weather warrants we may change the distances, course, or format of the race accordingly, so no grumbling - this is all about having fun in the winter.

There will be no awards presented for the three events individually. Instead, points will be awarded to the top-15 in each category as follows:

PLACE        POINTS
1              20
2              18
3              16
4              14
5              12
6              10
7               9
8               8
9               7
10              6
11              5
12              4
13              3
14              2
15              1

You must earn points at least 2 events to be eligible for series awards, however points will accumulate throughout all 3 races in the series. Depth of series awards will in each category will be based on entries received. All ties in points will be broken by the place in the final series event. If neither tieing party participated in the final event, then the tie will be broken by the place in the second series event.


2016/17 Race Results:

2016-2017 Series Points

2015/16 Race Results:

Open Duathlon Points

Fat Tire Duathlon Points

4 Mile Run Points

2014/15 Race Results:

Open Duathlon Points

Fat Tire Duathlon Points

4 Mile Run Points

2013/14 Race Results:
2012/13 Race Results:
2011/12 Race Results:
2010/11 Race Results:
2009/10 Race Results:
2008/09 Race Results:
2007/08 Race Results:
2006/07 Race Results:
2005/06 Race Results:
2004/05 Race Results:
2003/04 Race Results:


A nice dry bike route


Race #1 - PreRace Update:Unlike last December, when we saw 8+ inches of snow on the Chilly Cheeks course and temps hovering around zero, this year we will be treated to brilliant sunshine and temps in the low 60's by mid-afternoon. That means GREAT racing conditions!

We anticipate the course conditions to be dry and fast, with temps at the start in the lower 40's and well into the 50's by the time the last finisher rolls in!

REMEMBER: Photo ID is required to pick up your packet & timing chip

Race #1 starts with a 4 mile road, trail, and bike path run. We will be starting in 2 waves - wave 1 at 10am is for all men, and wave 2 is the women's wave. It starts three minutes later. The wav start will help to spread things out on road at the start of the race, and also on the bike course.

The opening 1.7 miles of the run are on the park road. Please stay on the left side of the road (facing traffic) while you are on the road. When it is time to cross over, we will have course marshals to direct you. There will be an aid station immediately after you turn off the road at 1.7 miles.

From there, you will run on a mix of dirt trails and paved bike path. The run is complete as you enter transition and cross the timing mats.

For the Run-Only athletes, your race is over here and you can help yourself to some hot cocoa and awesome goodies including Jill's home baked banana chocolate chip bread!

For the duathletes, you’ll head out for a 10.8 mile bike ride. Your race will conclude when you pass the finish flags. Please be sure to stop fewer than 100 yards from the flags to return your timing chip.

RULES: There are just a few of them.
1) No iPods or headphones while riding or running
2) Helmets are required on the bike
3) Run only on the left side of the road facing traffic
4) Ride your bike on the right shoulder except to pass
5) No crossing the center line while on your bike
6) No side by side riding , or following another rider closer than 3 bike lengths
7) Passing must be completed quickly, then you must move back to the right shoulder
8) Remember, the road is open to auto traffic. Always look before you pass.

REMEMBER: Photo ID is required to pick up your packet & timing chip

PARKING: All vehicles entering the park must display an annual State Parks pass or purchase a one-day pass at the gate. Carpooling is encouraged. Limited parking is available in the Hobie Hill lot, immediately adjacent to transition. Once this lot fills, please continue another 200 yards to the marina parking lot. You may see open spaces in the Hobie Hill lot, however these are for volunteer and ambulance parking. If cones are blocking the Hobie Hill driveway, please consider it filled. Do not drive through the cones or across the grass. You will be ticketed and towed.

Also, no parking on the side of the road to unload. This impedes traffic, and you can be ticketed by park rangers. It also jeopardizes our ability to get permits in the future. If you are able to complete this race, you should be able to walk the 200 yards to transition.

We'll see you on Saturday!!!

REMEMBER: Photo ID is required to pick up your packet & timing chip


4 Mile Run-only Option!

Again this season, we will be offering a 4 mile run option in addition to the duathlon. This no-frills 4-mile run follows the same fun course as the duathlon, covering a mix of road, paved bike path, and well maintained dirt trails.

The run-only events will be offered at all three races this winter! The December and January runs will begin promptly at 10:00am. The Run-Only wave of the February race will begin at 10:20am. Packet pick-up on both dates will close at 10:00am.

This is a no-frills event - we don't do awards or shirts, but we do have some yummy goodies afterwards, and we will be awarding sponsor merchandise to random finishers at the finish line. All races will be chip-timed.

Races will be contested regardless of conditions - and if the weather warrants we may change the distance or course, so no grumbling - this is all about having fun in the winter. Be prepared for dry roads and trails, but also be prepared for knee-deep snow!

A run-only point series will be kept in male and female age 40 & under and age 40+ divisions this winter. Awards will go to the first place male and female point winner in each of these divisions. If numbers increase dramatically over last year, we will add categories and/or go deeper with awards.


The Duathlon Series

The Chilly Cheeks Duathlon Series is composed of 3 events - each with a different format. Each race is comprised of approximately 4 miles of running on paved roads, bike paths, and dirt trails. There will also be approximately 10 miles of paved cycling in each race.

Keep in mind, this is a winter event, and although the entire bike course is paved, there may be snow, sand, and/or ice along the route. This website will be updated approximately 2 days before each event (no emails will be sent) with the course conditions to assist you in choosing your bike and shoes for the event. The photos on this page will give you an idea of the variety of conditions you may experience in this series.

Races will be contested regardless of conditions - and if the weather warrants we may change the distances, course, or format of the race accordingly, so no grumbling - this is all about having fun in the winter.


December 9, 2017: Start Time-10:00 a.m. - Click Here for Course Map Chilly Cheeks #1 will start with a 4-mile road and dirt-trail run, finish with a 10 mile paved bike ride.

The event will start and finish at the Hobie Hill area, near the West Entrance to the park. Directions: From I-25 Take Exit 199 (Belleview) and turn East on Belleview. Drive approximately 1.5 miles to Dayton (there is a stoplight). Turn left on Dayton and drive approximately 0.5 miles. The park entrance will be on your right. Parking will take place at the Hobie Hill parking lot. Once you are inside the park, signs will direct you to the Hobie Hill lot. Once Hobie Hill has filled, additional parking will be available at the Marina, just 200 yards beyond Hobie Hill. All vehicles entering the park will be charged a $9 park entrance fee, so car-pooling is encouraged. Vehicles displaying a valid Colorado State Parks annual pass will not be charged. Bib and timing-chip pick-up will take place on race morning only beginning at 8:00am. Race day registration will be available - fees are $50 for the duathlon and $25 for the run-only - or save money and pre-register!!!

January 13, 2018: Start Time - 10:00 a.m. Click Here for Course Map - Chilly Cheeks #2 has been revamped for the 2015-2016 season. The race will now take place at the Hobie Hill parking lot on the west side of the park and will be a traditional run-bike-run event - 1.25 mile run, 10.8 mile paved bike ride, and a 2.75 mile road & trail run.

The event will start and finish at the Hobie Hill area, near the West Entrance to the park. Directions: From I-25 Take Exit 199 (Belleview) and turn East on Belleview. Drive approximately 1.5 miles to Dayton (there is a stoplight). Turn left on Dayton and drive approximately 0.5 miles. The park entrance will be on your right. Parking will take place at the Hobie Hill parking lot. Once you are inside the park, signs will direct you to the Hobie Hill lot. Once Hobie Hill has filled, additional parking will be available at the Marina, just 200 yards beyond Hobie Hill. All vehicles entering the park will be charged a $9 park entrance fee, so car-pooling is encouraged. Vehicles displaying a valid Colorado State Parks annual pass will not be charged. Bib and timing-chip pick-up will take place on race morning only beginning at 8:00am. Race day registration will be available - fees are $50 for the duathlon and $25 for the run-only - or save money and pre-register!!!

February 24, 2018: Start Time-10:00 a.m. (Run-Only will start at 10:20) - Click Here for Course Map Chilly Cheeks #3 will start with a 10 mile non-drafting paved bike ride. Riders will go off in groups of 5-10 at 1 minute intervals. Starting groups will be assigned as entries are received. The race will finish with a 4-mile road and dirt-trail run.

The event will start and finish at the Hobie Hill area, near the West Entrance to the park. Directions: From I-25 Take Exit 199 (Belleview) and turn East on Belleview. Drive approximately 1.5 miles to Dayton (there is a stoplight). Turn left on Dayton and drive approximately 0.5 miles. The park entrance will be on your right. Parking will take place at the Hobie Hill parking lot. Once you are inside the park, signs will direct you to the Hobie Hill lot. Once Hobie Hill has filled, additional parking will be available at the Marina, just 200 yards beyond Hobie Hill. All vehicles entering the park will be charged a $9 park entrance fee, so car-pooling is encouraged. Vehicles displaying a valid Colorado State Parks annual pass will not be charged. Bib and timing-chip pick-up will take place on race morning only beginning at 8:00am. Race day registration will be available - fees are $50 for the duathlon and $25 for the run-only - or save money and pre-register!!!


An unusually snowy run course

For more information on the Chilly Cheeks Duathlon Series, call Darrin or Jill at 303-642-7917, or email info@racingunderground.com


Refunds & Transfer Policy: Click Here