Any Length
Any Month
Aurora Polar Plunge
Aurora, CO
Saturday, April 5th, 2025
Donut Dash
Denver, CO
Sunday, April 6th, 2025
Rockin on the River 5K
Littleton, CO
Denver Distance Classic
Englewood, CO
Friday, April 11th, 2025
Spring Fling Prairie Dog Half, 10k, & 5k
Arvada, CO
Sunday, April 13th, 2025
Dash for Detection: Oral Cancer Awareness 5K
All-Out Beat the Heat
Westminster, CO
Saturday, April 19th, 2025
2025 Five Star 5K, Mile of Smiles, and Wellness...
Brighton, CO
Saturday, April 26th, 2025
Springtime Sprint 5k
Golden, CO
Unicorn 5k (Denver-East)
Sunday, April 27th, 2025
Boulder Track Series Meet 2
Longmont, CO
Blue Heron Half & 5K
Race Through America Series
Boulder, CO
Saturday, May 3rd, 2025
Adams County Foster Care 5K Run/Walk and 1 mile...
Cinco De Mayo Run: Against All Odds DENVER/AURORA
Centennial, CO
Longmont Half & 5k (LM Half)
Sunday, May 4th, 2025
2025 Altitude Elementary Moose Mudder
RMRR May Trophy Series
Fairmount 5k
Parker Parks and Recreation Miles over the Mead...
Parker, CO
Saturday, May 10th, 2025
HRCA Mother's Day 5K
Highlands Ranch, CO
MomCo Virtual Mother's Day Run
Donot Stop Half Marathon (5k/10k) - Denver
DoNot Stop Half Marathon (5k/10k) - Denver
2025 Gluten Free Gallop 5K
Muddy Dash | Denver | May 10th, 2025
Erie, CO
Denver Mother's Day 5K
Sunday, May 11th, 2025
Colorado Women's Classic - Westminster
2025 Be Kind to Your Mind 1M 5K 10K 13.1 26.2- ...
Saturday, May 17th, 2025
Canine On the Creek
Dumont, CO
Miles for Smiles 5K
Sunday, May 18th, 2025
2025 Memorial Day 1M 5K 10K 13.1 26.2- Benefitt...
Saturday, May 24th, 2025
Stepping Stone 5K
Sunday, June 1st, 2025
Flamingo Day 5K
Colorado 13er (Half Marathon/10k/5k)
Louisville, CO
All-Out Summer Breeze
Saturday, June 7th, 2025
DU Dash Colorado
Palmer Lake, CO
Saturday, June 14th, 2025
Parker Parks and Recreation Dash Across the Dam...
Father's Day Classic 10k, 5k, & 1 Mile
Sunday, June 15th, 2025
Bubble Run | Denver
Commerce City, CO
Saturday, June 21st, 2025
Hometown Half Marathon & 5k/10k - Denver
Unicorn 5k (North)
Thornton, CO
13th Annual Buffs4Life Kyle MacIntosh Memorial ...
Sunday, June 22nd, 2025
Before The Fourth 5k
Saturday, June 28th, 2025
Denver Pride 5K
Let Freedom Run 5k - LONGMONT
Friday, July 4th, 2025
Let Freedom Run 5k/10k
HRCA Independence Day 5K
All-Out Dog Days
Saturday, July 12th, 2025
Cookie Chase
Heritage Eagles 5K
Summer Splash Prairie Dog Half, 10k, & 5k
Castle Rock, CO
Saturday, July 19th, 2025
The Hero's Journey 5K
Saturday, July 26th, 2025
11th Annual Run for the Ring
Spirit of the West 5K Run/Walk
Sunday, July 27th, 2025
RMRR August Trophy Series
Friday, August 1st, 2025
Unicorn 5k (South)
Saturday, August 2nd, 2025
All-Out Runapalooza
Arapahoe Warrior 5K
Saturday, August 9th, 2025
Holy COW Trail Stampede
Summer Sizzler- Denver
Saturday, August 16th, 2025
Erie Half & 5k
Sunday, August 17th, 2025
Ram Run
Saturday, August 23rd, 2025
Unicorn Festival 5k
Labor Day Half Marathon
Monday, September 1st, 2025
RexRun For PAWSitivity 2025 5K Trail Run/Walk
Saturday, September 6th, 2025
Denver Rocks Run 5K/10K
Sunday, September 7th, 2025
Conservation Colorado 5k
Flyin' Lion 5K
RMRR September Trophy Series
The Denver 5k
Saturday, September 13th, 2025
National Chocolate Day: Run for Chocolates DENV...
All-Out Fall Fest
Parker Parks and Recreation So Long to Summer 5...
Spooky Sprint - Denver
Sunday, September 14th, 2025
Miles 4 Madison 5K & 1K
Saturday, September 20th, 2025
Move Forward 5K & 10K
Farmers 5000
Wheat Ridge, CO
Sunday, September 21st, 2025
19th Annual Golden Gallop
Runway 5K - Run for the Angels
Broomfield, CO
Saturday, September 27th, 2025
National Singles Day: Singles & Friends Running...
National Coffee Day: Run for Coffee DENVER/AURORA
Pioneer Prairie Dog Half, 10k & 5k
Big Waves Family 5K run/walk Whiteout Presented...
Saturday, October 4th, 2025
I Can 5k
Not So Flatt Breast Cancer Awareness Run/Walk
RMRR October Trophy Series
Sunday, October 5th, 2025
Layafette Music Fest Half-Marathon/10K/5K
The bRUNch Run™
Sunday, October 12th, 2025
Westy Half & 5k
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 & 1 Mile Walk of Hope for Pancreat...
Saturday, November 1st, 2025
Turkey Trails- Denver
Sunday, November 2nd, 2025
RMRR November Trophy Series
All-Out Kooky-Spooky
Denver Veterans Day Run
Saturday, November 8th, 2025
Pumpkin Pie 5K/10K
Saturday, November 15th, 2025
10k Turkey Trek & 5k Turkey Trot - Now With HAL...
Saturday, November 22nd, 2025
Parker Parks and Recreation Turkey Day 5K FUN R...
Thursday, November 27th, 2025
AdventHealth Avista Louisville Turkey Trot
Gobble Wobble Run 2025
Broomfield Turkey Day 5K/10K
All-Out Fa La La
Saturday, December 6th, 2025
WinterFest 5k & Fun Run
Saturday, December 13th, 2025
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
Steve's Event Page
Morrison, CO
Wednesday, December 31st, 2025
Resolute Runner 5k
Thursday, January 1st, 2026
All-Out Polar Prowl
Saturday, January 10th, 2026
Arctic Prairie Dog Half, 10k & 5k
Sunday, January 18th, 2026
Heart Throb 5k
Saturday, February 14th, 2026
Highlands Ranch 5k
Sunday, February 22nd, 2026
All-Out Mardi Crawl
All-Out Spring Fever
Sunday, March 22nd, 2026
Central Park 5k
Conifer Climb
Conifer, CO
Monday, September 2nd, 2030
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