guides

🏃 2023 Races, Runs, & Rides in Douglas County

5Ks & More in Castle Rock, Highlands Ranch, Lone Tree, Parker, and Surrounding Areas

By Kyrie Collins, Macaroni KID Highlands Ranch-Parker-Castle Rock-Lone Tree Publisher December 27, 2022

Know about a race in Douglas County not listed here? Email kyrieandsam@macaronikid.com

Love 'em or Leave 'em Valentine's Day 5K/10K
Saturday, February 11
Salisbury Park, Parker

  • 5K Registration: $40 (price increase after January 28)
  • 10K Registration: $50 (price increase after January 28)
  • Registration includes a race shirt, custom bib, and a delicious post-race pancake breakfast. 

Highlands Ranch 5K/10K
Sunday, February 26
Highland Heritage Regional Park, Highlands Ranch

  • 5K Registration: $48 (price increase after February 14)
  • 10K Registration: $58 (price increase after February 14)
  • Registration includes a finisher's mug, long-sleeved hoodie, and post-race hot cider, cocoa, or tea.
  • Beneficiary/Charity Partner: Blessings in a Backpack

HRCA St. Patrick's Day 5K
Saturday, March 18
Highlands Ranch Town Center, Highlands Ranch

  • Children (Ages 2-12): $25 (price increase after February 3)
  • Adults: $35 (price increase after February 3)
  • Registration includes a race t-shirt, custom giveaway, all-you-can-eat pancake breakfast from Flippin' Flap Jacks, and post-race beer (21+) from Living the Dream Brewery.
  • Find and return the golden kettlebell along the course to win $100.

ShamROCK Stampede 10K/5K/1K
Saturday, March 18
Douglas County Fairgrounds, Castle Rock

  • Children (17 and under): $20 (price increase on February 1)
  • Adults: $30 (price increase on February 1)
  • Free 1K Kid's Sham-Scram & Family Fun Run/Walk
  • Stay for the Irish Sham-JAM After Party with free food, Back to Health Expo, and much more.
  • Beneficiaries/Charity Partners: University of Colorado Anschutz Medical Campus, Live Free Association, and Colorado Fallen Hero Foundation.

Mountain Ridge Trail Races: 21M/Half/10K/5K
Sunday, April 30
Mountain Ridge Middle School, Highlands Ranch

  • 5K: $35 | 10K: $52 | Half: $82 | 21M: $95
  • Part of the Endurance Race Summer Series

Greenland Trail Races: 50K/24K/8M/4M
Saturday, May 6
Greenland Open Space, Larkspur

  • 4M Registration: $38 through March 31, $40 April 1 through race day
  • 8M Registration: $48 through March 31, $50 April 1 through race day
  • 25K Registration: $70 through March 31, $75 April 1 through race day
  • 50K Registration: $95 through March 31, $100 April 1 through race day
  • Registration includes a race shirt, finisher medal, photo downloads, and more.

Furry Scurry
Saturday, May 6
Washington Park, Denver

  • Adult Registration (Early Bird): $50
  • Youth Registration (Early Bird, Ages 12 and Under): $30
  • Proceeds benefit Dumb Friends League.

HRCA Mother's Day 5K
Saturday, May 13
Cresthill Middle School, Highlands Ranch

  • Children (Ages 2-12): $25 (price increase after March 31)
  • Adults: $35 (price increase after March 31)
  • Adult registration includes a race t-shirt.

HRCA Hodgepodge: Kids ages 4-12 can build their confidence and outdoor fitness skills by completing the HRCA Mothers' Day 5K, HRCA Splash Mash Dash Kids Triathlon, and HRCA Wildcat Mountain Trail Race over the course of the year. Participants will receive a custom-branded water bottle on completion of the challenge. The total cost to enter all three races is $85. Sign up here by May 1.

Climb4Change
Saturday, June 10
Challenge Hill at Philip S. Miller Park, Castle Rock

  • Race to the Top: $35
  • Climb 'n' Run 5K/10K: $40
  • Power Hours and Trail Reps: $45
  • Proceeds benefit the Town of Castle Rock's Therapeutic Recreation program

Happy Hour Half K
Friday, June 16
Civic Green Park, Highlands Ranch

  • Youth (Ages 2-20): $15 (registration opens February 16)
  • Adults: $25 (registration opens February 16)
  • Registration includes a race t-shirt, finisher medal, up to two alcoholic beverages for ages 21+ and non-alcoholic drinks for kids, plus a post-race party with live music.
  • Beneficiary/Charity Partner: Highlands Ranch Therapeutic Recreation Program & Scholarship Fund

Cattle Crossing 5K & 1M Family Fun Trek
Saturday, June 17
Tallman Meadow Park, Parker

  • 5K Registration: $40 (price increase after June 2)
  • Fun Trek: $36 for a family of four (price increase after June 2)
  • Registration includes pancakes from Flippin’ Flapjacks and a souvenir bib.
  • Western costumes are encouraged! 

July 4th ROCK-IT Run
Tuesday, July 4
Douglas County Fairgrounds, Castle Rock

  • 5K Registration: $35-$45 for adults; $25-$35 for kids 17 and under
  • Half Marathon Registration: $50-$60 for adults; $40-$50 for kids 17 and under
  • $5 off for Seniors (60 and over), Veterans, and First-Responders
  • Free 1K Little Rock-It Run
  • Proceeds benefit the Live Free Association.

HRCA Independence Day 5K
Tuesday, July 4
Highlands Ranch Town Center, Highlands Ranch

  • Children (Ages 2-12): $25 (price increase after May 22)
  • Adults: $35 (price increase after May 22)
  • Registration includes a race t-shirt, custom giveaway, all-you-can-eat pancake breakfast from Flippin' Flap Jacks, and post-race beer (21+) from Living the Dream Brewery.
  • Find and return the red, white, and blue kettlebell along the course to win $100.

Parker July 4th 5K
Tuesday, July 4
Downtown Parker

  • More details and registration link coming soon

HR Mountain Bike Series
July 12, July 19, July 26, & August 2
Various locations in Highlands Ranch

  • More details and registration link coming soon

Kids' TRY-athlon (Ages 4-12)
Saturday, July 15
H2O'Brien Pool, Parker

  • Registration details coming soon
  • Registration includes a commemorative t-shirt, custom race bib, a finish line medal, and post-race refreshments.

Prairie Dog Half/10K/5K
Saturday, July 15
East Plum Creek Trail, Castle Rock

  • 5K Registration: $35 (price increase after July 1)
  • 10K Registration: $45 (price increase after July 1)
  • Half Marathon Registration: $75 (price increase after July 1)
  • Registration includes a race shirt, goodie bag, finisher's pint glass, free photo downloads, and more

Splash Mash Dash Kids Triathlon (Ages 4-12)
Saturday, August 5
Eastridge Recreation Center, Highlands Ranch

  • Registration: $40 (price increase after June 23)
  • Registration includes a race t-shirt, finisher medal, and post-race donuts.

Unicorn 5K
Saturday, August 5
Highlands Heritage Regional Park, Highlands Ranch

  • 5K Run/Walk: $41 (price increase after July 14)
  • 3/4-Mile(ish) Saunter: $17 (price increase after July 14)
  • Registration includes event shirt, cotton candy, photo downloads, face painting, and more.
  • Beneficiary/Charity Partner: Blessings in a Backpack

Labor Day Half/10K/5K
Monday, September 4
Salisbury Equestrian Park, Parker

  • 5K Registration: $30 (price increase after April 30)
  • 10K Registration: $45 (price increase after April 30)
  • Half Marathon Registration: $70 (price increase after April 30)
  • Registration includes a race shirt, finisher medal, free photo downloads, and more

Tri the Rock (Ages 5-18)
Sunday, September 10
Castle Rock

  • Registration information coming soon

HRCA Oktoberfest 5K
Saturday, September 16
Highlands Ranch Town Center, Highlands Ranch

  • Children (Ages 2-12): $25 (price increase after August 4)
  • Adults: $35 (price increase after August 4)
  • Registration includes a race t-shirt, custom giveaway, all-you-can-eat pancake breakfast from Flippin' Flap Jacks, and post-race beer (21+) from Living the Dream Brewery.
  • Find and return the blue kettlebell along the course to win $100.

Battle by the Brook Adventure Race
Saturday, September 23
Camp Shady Brook, Deckers

  • Competitive Race (Ages 16+ only): $92
  • Family Race: $75
  • Teams race in a variety of endurance disciplines, including orienteering/navigation, cross-country running/hiking, mountain biking, paddling, and other unique challenges.
  • This race raises money to send kids to camp.

So Long to Summer 5K/10K
Saturday, September 23
Salisbury Park, Parker

  • 5K Registration: $40 (price increase after September 8)
  • 10K Registration: $50 (price increase after September 8)
  • Registration includes a race shirt, custom bib, and a delicious post-race pancake breakfast.
  • The FREE Kids' Dash follows the race for children 8 and under; no registration is necessary. 

HRCA Wildcat Mountain Trail Races
Saturday, September 30
Rocky Heights Middle School, Highlands Ranch

  • 10M: $50 (price increase after July 18)
  • 10K: $40 (price increase after July 18)
  • Kids Race (Ages 2-12): $10 (no t-shirt)
  • Registration includes a race t-shirt, finisher award, all-you-can-eat pancake breakfast from Flippin' Flap Jacks, and post-race beer (21+) from Living the Dream Brewery.

Castle Rock Trail Festival & LiveBIG Run
Saturday, October 7
Philip S. Miller Park, Castle Rock

  • Registration information coming soon

Indian Creek Fifties
Saturday, October 14
Indian Creek Campground, Sedalia

  • 5M: $50 (price increase after July 31)
  • 15M: 90 (price increase after July 31)
  • 55K: $120 (price increase after July 31)
  • 50M: $140 (price increase after July 31)
  • Registration includes a race shirt, finisher medal, swag, and more.

HRCA Backcountry Wilderness Half Marathon
Saturday, November 4
Backcountry Wilderness Area, Highlands Ranch

  • Registration: $60 (price increase after August 22)
  • Includes long-sleeve race shirt, finisher medal, pancake breakfast from Flippin' Flap Jacks, and post-race beer (21+) from Living the Dream Brewery.

Turkey Day 5K
Thursday, November 23
Parker Recreation Center, Parker

  • Registration: $30 ($10 increase on race day)
  • Registration includes a commemorative race item, custom bib, and hot cocoa, cider, or coffee. 

Turkey Rock Trot
Thursday, November 23
Douglas County Fairgrounds, Castle Rock

  • Children (17 & Under): $20
  • Adults: $40
  • FREE 1K Kids Dash
  • Beneficiary/Charity Partner: Help & Hope Center

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