October Races within 50 miles of Arvada, CO
Evergreen, CO
EAPL Zombie Run 5K
Oct 29, 2023
Longmont, CO
Paws in the Park
Oct 7, 2023
Denver, CO
Dare Great Things Cross Country Challenge
Oct 7, 2023
Grace Race 5K
Oct 7, 2023
Miles for Moms
Oct 7, 2023
UpStander 5K
Oct 7, 2023
The Odyssey Odyssey
Oct 22, 2023
DU Crimson Classic 5K
Oct 27, 2023
Hell Week Fitness 5K by Orangetheory Colorado
Oct 28, 2023
Hot Chocolate 15K/5K
Oct 6, 2024
Michael J. Fox Foundation Run
Oct 6, 2024
bRUNch Run
Oct 13, 2024
Colorado Brewery Running Series
Oct 26, 2024
MonsterDash Run
Oct 26, 2024
Ghosts and Goblins 5K/10K
Oct 27, 2024
Aurora, CO
RMRR Trophy Series - October
Oct 6, 2024
Colorado Brewery Running Series
Oct 12, 2024
Expo Park XC
Oct 13, 2024
Idaho Springs, CO
Halloween Fun Run
Oct 28, 2023
Centennial, CO
Hoofin' It Through the Hollows 5K
Oct 21, 2023
Westminster, CO
Hyland Hills Hockey Jag Jog 5K
Oct 6, 2023
Big Waves Family 5K
Oct 7, 2023
Not So Flatt Breast Cancer Awareness Run/Walk
Oct 5, 2024
Spooky Sprint - Denver
Oct 5, 2024
Westy Half & 5K
Oct 13, 2024
Erie, CO
Eerie Erie
Oct 28, 2023
Castle Rock, CO
Castle Rock Trail Festival
Oct 5, 2024
Loveland, CO
Brakes on Breast Cancer 5K
Oct 22, 2023
Long View Marathon
Oct 12, 2024
Narrowleaf Lake Run
Oct 27, 2024
Littleton, CO
Get Your Rear in Gear - Denver Metro
Oct 7, 2023
The Stride
Oct 29, 2023
Go Big or Go Gnome 5K
Oct 13, 2024
Boulder, CO
Avery Brewing Company Oktoberfest 4K
Oct 1, 2023
Boulder XC Series Meet 1
Oct 14, 2023
Latino Ultra Nature Adventure
Oct 22, 2023
Boulder XC Series Meet 2
Oct 28, 2023
South Boulder Creek parkrun
Mar 22, 2025
Mar 29, 2025
Apr 6, 2024
Apr 13, 2024
48 more
Morrison, CO
Beware the Bear Trail Races
Oct 15, 2023
Run the Rocks
Oct 13, 2024
Great Trailhead Foot Race
Oct 19, 2024
Windsor, CO
Windsor Marathon
Oct 6, 2024
Lakewood, CO
West Side Best Side Cross Country Race
Oct 22, 2023
Commerce City, CO
Wild For Life Triathlon
Oct 13, 2024
Palmer Lake, CO
YMCA Creepy Crawl 5K
Oct 28, 2023
Sedalia, CO
Indian Creek Trail Runs
Oct 12, 2024
Fort Collins, CO
Long View Marathon
Oct 12, 2024
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
Event Category
Click Here to find out what Classic, Multisport, and Variety mean.
To narrow your search by a distance or event type, you will need to select Classic, Multisport, or Variety first.
To narrow your search by a distance or event type, you will need to select Classic, Multisport, or Variety first.
No | Race Date | Race | Location | Options |
---|---|---|---|---|
1 |
Past Date
Oct 1, 2023
Sunday
|
Avery Brewing Company Oktoberfest 4K
4K run
More Information
|
Boulder, CO
18 miles point to point
Boulder County, CO
|
|
2 |
Oct 5, 2024
Saturday
|
Castle Rock Trail Festival
50K, 13.1M, 10K, 5K trail run
More Information
|
Castle Rock, CO
32 miles point to point
Douglas County, CO
|
|
3 |
Oct 5, 2024
Saturday
|
Its Fall Yall 5K and K9 Canter 1M Fun Run
5K, 1M run
More Information
|
Thornton, CO
7 miles point to point
Adams County, CO
|
|
4 |
Oct 5, 2024
Saturday
|
Not So Flatt Breast Cancer Awareness Run/Walk
10K, 5K run
More Information
|
Westminster, CO
3 miles point to point
Adams County, CO
Jefferson County, CO
|
|
5 |
Oct 5, 2024
Saturday
|
South Boulder Creek parkrun
5K run
More Information
|
Boulder, CO
18 miles point to point
Boulder County, CO
|
|
6 |
Oct 5, 2024
Saturday
|
Spooky Sprint - Denver
13.1M, 10K, 5K, 1M run | kids run
More Information
|
Westminster, CO
3 miles point to point
Adams County, CO
Jefferson County, CO
|
|
7 |
Oct 6, 2024
Sunday
|
Hot Chocolate 15K/5K - Denver
15K, 5K run
More Information
|
Denver, CO
6 miles point to point
Denver County, CO
|
|
8 |
Past Date
Oct 6, 2023
Friday
|
Hyland Hills Hockey Jag Jog 5K
5K run
More Information
|
Westminster, CO
3 miles point to point
Adams County, CO
Jefferson County, CO
|
|
9 |
Oct 6, 2024
Sunday
|
Michael J. Fox Foundation Run
5K run
More Information
|
Denver, CO
6 miles point to point
Denver County, CO
|
|
10 |
Oct 6, 2024
Sunday
|
RMRR Trophy Series - October
12K, 5K run
More Information
|
Aurora, CO
14 miles point to point
Arapahoe County, CO
|
|
11 |
Oct 6, 2024
Sunday
|
Windsor Marathon
26.2M, 13.1M, 10K, 5K run | kids run
More Information
|
Windsor, CO
48 miles point to point
Weld County, CO
|
|
12 |
Past Date
Oct 7, 2023
Saturday
|
Big Waves Family 5K
5K run
More Information
|
Westminster, CO
3 miles point to point
Adams County, CO
Jefferson County, CO
|
|
13 |
Cancelled
Oct 7, 2023
Saturday
|
Dare Great Things Cross Country Challenge
2M run | kids run
More Information
|
Denver, CO
6 miles point to point
Denver County, CO
|
|
14 |
Past Date
Oct 7, 2023
Saturday
|
Get Your Rear in Gear - Denver Metro
5K run | kids run
More Information
|
Littleton, CO
13 miles point to point
Arapahoe County, CO
|
|
15 |
Past Date
Oct 7, 2023
Saturday
|
Grace Race 5K
5K run
More Information
|
Denver, CO
6 miles point to point
Denver County, CO
|
|
16 |
Past Date
Oct 7, 2023
Saturday
|
Miles for Moms
3M run
More Information
|
Denver, CO
6 miles point to point
Denver County, CO
|
|
17 |
Past Date
Oct 7, 2023
Saturday
|
Paws in the Park
5K run
More Information
|
Longmont, CO
25 miles point to point
Boulder County, CO
|
|
18 |
Past Date
Oct 7, 2023
Saturday
|
UpStander 5K
5K run
More Information
|
Denver, CO
6 miles point to point
Denver County, CO
|
|
19 |
Past Date
Oct 8, 2023
Sunday
|
Strides for Sierra 5K
5K, 1K run
More Information
|
Arvada, CO
Jefferson County, CO
|
|
20 |
Oct 12, 2024
Saturday
|
Colorado Brewery Running Series
5K run
More Information
|
Aurora, CO
14 miles point to point
Arapahoe County, CO
|
For the love of all that Is good And moisture wicking...
Though we Try To be accurate And On top Of things... Race details can change When we aren't lookin. And once in a while we simply make a mistake.
ALWAYS visit the race's website for the most complete and accurate race information.
ALWAYS visit the race's website for the most complete and accurate race information.