Any Length
Any Month
Sharin' O' The Green 5k
Fort Collins, CO
Saturday, March 15th, 2025
Lucky Brew Race 5K, 10K, and 15K
Windsor, CO
Sunday, March 16th, 2025
Lucky Leprechaun 5K
Boulder, CO
Central Park 5k
Denver, CO
Sunday, March 23rd, 2025
Spring Equinox
Wellington, CO
All-Out Spring Fever
Golden, CO
Donut Dash
Sunday, April 6th, 2025
Spring Fling Prairie Dog Half, 10k, & 5k
Arvada, CO
Sunday, April 13th, 2025
Dash for Detection: Oral Cancer Awareness 5K
Great Western Trail Race
Severance, CO
Saturday, April 19th, 2025
All-Out Beat the Heat
Westminster, CO
2025 Five Star 5K, Mile of Smiles, and Wellness...
Brighton, CO
Saturday, April 26th, 2025
Bigfoot Half Marathon
Estes Park, CO
Blue Heron Half & 5K
Sunday, April 27th, 2025
Unicorn 5k (Denver-East)
2025 Flying Pig 5K
Adams County Foster Care 5K Run/Walk and 1 mile...
Saturday, May 3rd, 2025
21st Annual Bob Turner Classic 5k Run/Walk
Berthoud, CO
The Colorado Marathon
Sunday, May 4th, 2025
RMRR May Trophy Series
Longmont Half & 5k (LM Half)
Longmont, CO
Fairmount 5k
Muddy Dash | Denver
Erie, CO
Saturday, May 10th, 2025
DoNot Stop Half Marathon (5k/10k) - Denver
Denver Mother's Day 5K
Sunday, May 11th, 2025
Colorado Women's Classic - Westminster
Miles for Smiles 5K
Sunday, May 18th, 2025
Flamingo Day 5K
Sunday, June 1st, 2025
Colorado 13er (Half Marathon/10k/5k)
Louisville, CO
StepUp For Women And Recovery
Saturday, June 7th, 2025
All-Out Summer Breeze
J-Town Jog 5K and Mile
Johnstown, CO
Sierra's 5K Run/Walk Race Against Meningitis
Loveland, CO
Saturday, June 14th, 2025
Father's Day Classic 10k, 5k, & 1 Mile
Sunday, June 15th, 2025
Red, White and Brew 5k, 10k, Half Marathon & 12...
Saturday, June 21st, 2025
Hometown Half Marathon & 5k/10k - Denver
Bubble Run | Denver
Commerce City, CO
Unicorn 5k (North)
Thornton, CO
Healing Warriors 4th Annual 5K Fun Run
Sunday, June 22nd, 2025
Timberview Trail Run
Bellvue, CO
Saturday, June 28th, 2025
Denver Pride 5K
Greeley Freedom 5k Walk & Run
Greeley, CO
Friday, July 4th, 2025
Let Freedom Run 5k - LONGMONT
Let Freedom Run 5k/10k - Louisville
Loveland Liberty 5K
FireKracker 5k
Cookie Chase
Saturday, July 12th, 2025
All-Out Dog Days
Spirit of the West 5K Run/Walk
Sunday, July 27th, 2025
Rocky Mountain Half Marathon & 5K
Friday, August 1st, 2025
Valley 5000
Saturday, August 2nd, 2025
All-Out Runapalooza
Holy COW Trail Stampede
Saturday, August 9th, 2025
Severance Glow 5K Run or Walk
Summer Sizzler- Denver
Saturday, August 16th, 2025
Erie Half & 5k
Sunday, August 17th, 2025
Conservation Colorado 5k
Sunday, September 7th, 2025
RMRR September Trophy Series
The Denver 5k
Saturday, September 13th, 2025
All-Out Fall Fest
Spooky Sprint - Denver
Sunday, September 14th, 2025
Move Forward 5K & 10K
Saturday, September 20th, 2025
19th Annual Golden Gallop
Sunday, September 21st, 2025
Farmers 5000
Wheat Ridge, CO
Pioneer Prairie Dog Half, 10k & 5k
Saturday, September 27th, 2025
Flyin' Ryan Memorial 5k
Friday, October 3rd, 2025
Not So Flatt Breast Cancer Awareness Run/Walk
Saturday, October 4th, 2025
Big Waves Family 5K run/walk Whiteout Presented...
I Can 5k
Windsor Marathon, Half Marathon, 10k & 5k
Sunday, October 5th, 2025
The Long View Marathon
Saturday, October 11th, 2025
Westy Half & 5k
Sunday, October 12th, 2025
The bRUNch Run™
Joy & Justice 5k
Timnath, CO
2025 DU Crimson Classic 5K Run/1.5 Mile Walk
Tuesday, October 14th, 2025
The Great Trailhead Foot Race 10 Miler & 5k
Lakewood, CO
Saturday, October 18th, 2025
Apex Foundation Trick or Trot 5K & Kids' Hallow...
Saturday, October 25th, 2025
Race to Cure Sarcoma Denver
Ghosts and Goblins 5K/10K
Sunday, October 26th, 2025
City Park 5k/10k & 1 Mile Walk of Hope for Panc...
Saturday, November 1st, 2025
All-Out Kooky-Spooky
Sunday, November 2nd, 2025
Girls on the Run Northern Colorado Fall 5K
RMRR November Trophy Series
Turkey Trails- Denver
Denver Veterans Day Run
Saturday, November 8th, 2025
Pumpkin Pie 5K/10K
Saturday, November 15th, 2025
10k Turkey Trek & 5k Turkey Trot
Saturday, November 22nd, 2025
AdventHealth Avista Louisville Turkey Trot
Thursday, November 27th, 2025
Broomfield Turkey Day 5K/10K
Broomfield, CO
Pelican Lakes Turkey Trot
All-Out Fa La La
Saturday, December 6th, 2025
Santa Catch 5k & 10k
Saturday, December 13th, 2025
WinterFest 5k & Fun Run
Santa's Dash for Ca$h
Saturday, December 20th, 2025
Ugly Sweater 5K
Sunday, December 21st, 2025
Candy Cane Course - Denver
Saturday, December 27th, 2025
Resolution Run 5K
Wednesday, December 31st, 2025
Resolute Runner 5k
Thursday, January 1st, 2026
All-Out Polar Prowl
Saturday, January 10th, 2026
Heart Throb 5k
Saturday, February 14th, 2026
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