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Westy Half & 5k
Westminster, CO
Sunday, October 12th, 2025
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The bRUNch Run™ -
Denver, CO
Joy & Justice 5k
Timnath, CO
Jack-o’-Lantern Jog 5k
Fort Collins, CO
Monday, October 13th, 2025
2025 DU Crimson Classic 5K Run/1.5 Mile Walk
Tuesday, October 14th, 2025
Paws for Life Fun Run/Walk 5K - Sponsored by Im...
Pueblo, CO
Saturday, October 18th, 2025
Mancos Cowboy Half Marathon, 5K, and Fun Run
Mancos, CO
The Great Trailhead Foot Race 10 Miler & 5k
Lakewood, CO
Homecoming 5k - Colorado State University
Expo Park XC Runs
Aurora, CO
Sunday, October 19th, 2025
Fleet Feet Denver Turkey Trot Training Program
Littleton, CO
Tuesday, October 21st, 2025
DU Crimson Classic 5K Run/1.5 Mile Walk
Wednesday, October 22nd, 2025
Apex Foundation Trick or Trot 5K & Halloween Hunt
Arvada, CO
Saturday, October 25th, 2025
Halloween Fun Run 5k & 1mile - Zombie Theme
Idaho Springs, CO
2025 Eerie Erie
Erie, CO
Foundry Halloween 5k
Steamboat Springs, CO
YMCA Creepy Crawl 5K
Palmer Lake, CO
Grand Valley Brew Runs
Grand Junction, CO
Race to Cure Sarcoma Denver
YMCA of Pueblo Spooky Sprint 5K
Fleet Feet Denver Just the Long Runs Fall Session
Sunday, October 26th, 2025
The 13th Annual Odyssey Odyssey - 2025
Ghosts and Goblins 5K/10K
City Park 5k/10k & 1 Mile Walk of Hope for Panc...
Saturday, November 1st, 2025
11th edition Sole Mates 5k & Brew Fest presente...
Longmont, CO
Colleen De Reuck XC Classic
Boulder, CO
Turkey Trails- Denver
Girls on Run Southern Colorado 5K
Colorado Springs, CO
Feet for Justice Run
Sunday, November 2nd, 2025
Girls on the Run Northern Colorado Fall 5K
Dragon Dash 5K Run/Walk
RMRR November Trophy Series
All-Out Kooky-Spooky
Golden, CO
Turkey Trails - Colorado Springs
Panda Waddle 5k
Saturday, November 8th, 2025
Denver Veterans Day Run
Colorado Springs Veterans Day 5k
Sunday, November 9th, 2025
Girls on the Run Denver Metro 5K
2025 Southwest Series - Day 2 (CO)
Durango, CO
Monday, November 10th, 2025
Break a Leg 5k
Saturday, November 15th, 2025
Leyden Rock Turkey Trot 5K
Pumpkin Pie 5K/10K
10k Turkey Trek & 5k Turkey Trot
Saturday, November 22nd, 2025
Turkey Trot Predict
Grand Junction Fire Fighters Foundation GJ Turk...
Thursday, November 27th, 2025
Gobble Wobble Run 2025
TurCreek Trot 5K
Greenwood Village, CO
Harvesting Hope 5k
Fitness Avenue Turkey Trot 5K
Johnstown, CO
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