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J-Town Jog 5K and Kids 1 Mile Dash
Johnstown, CO
Saturday, June 6th, 2026
Tutu Dash 5K
Broomfield, CO
Saturday, June 13th, 2026
The Bullfrog Splashdown
Littleton, CO
Sunday, June 14th, 2026
Red, White and Brew 5k, 10k, Half Marathon & 12...
Windsor, CO
Saturday, June 20th, 2026
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Father's Day Classic 10k, 5k, & 1 Mile
Arvada, CO
Sunday, June 21st, 2026
Pearl Street Mile
Boulder, CO
Saturday, June 27th, 2026
Fitness Expo On Tap at the Colorado Tap House
Firework Color Run
Berthoud, CO
4th of July Donut Hole Mile
Saturday, July 4th, 2026
FireKracker 5k
Fort Collins, CO
BRR All-Comers Summer Track & Field Series #3
Thursday, July 9th, 2026
Heatwave Half Marathon - Denver
Saturday, July 11th, 2026
Denver, CO
One Is Too Many: Veteran Suicide Awareness 5k a...
Greeley, CO
Sunday, July 19th, 2026
BRR All-Comers Summer Track & Field Series #5
Thursday, August 6th, 2026
Choice City Running Festival
Friday, August 7th, 2026
Summer Sizzler- Denver
Saturday, August 8th, 2026
Thornton, CO
Sunrise Stampede
Longmont, CO
Saturday, August 15th, 2026
Ram Run
Saturday, August 22nd, 2026
RexRun For PAWSitivity 2026 Trail Run/Walk
Aurora, CO
Saturday, August 29th, 2026
Glow & Roll: Illuminate What's Possible
Golden Harvest Half Marathon & 5k/10k - Denver
Saturday, September 5th, 2026
Westminster, CO
FCA All-Abilities Labor Day 5K
Loveland, CO
Monday, September 7th, 2026
14th Annual Superhero Event
Thursday, September 10th, 2026
Jungle Dash
Saturday, September 12th, 2026
9/11 Heroes Run - Denver, Colorado
Sunday, September 13th, 2026
Joy & Justice 5k
Timnath, CO
Sunday, September 27th, 2026
PRA Miner Gold Rush
Saturday, October 3rd, 2026
Spooky Sprint - Denver
Windsor Marathon, Half Marathon, 10k, 5k & 1 Mi...
Sunday, October 4th, 2026
Apex Foundation Trick or Trot 5K & Halloween Hunt
Saturday, October 24th, 2026
The 14th Annual Odyssey Odyssey - 2026
Sunday, October 25th, 2026
Halloween Fun Run 5k & 1mile - Zombie Theme
Idaho Springs, CO
Saturday, October 31st, 2026
Narrowleaf Lake & Pumpkin Run
Turkey Trails- Denver
Lakewood, CO
Saturday, November 7th, 2026
City Park Classic (5k/10k & 1 Mile Walk of Hope...
Colorado State Youth Cross Country Championships
Saturday, November 14th, 2026
Candy Cane Course - Denver
Saturday, December 5th, 2026
Sunday, December 6th, 2026
Santa Catch 5k & 10k
Saturday, December 12th, 2026
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