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5k run Events and Things to do in Boulder, CO

Pumpkin Pie 5K/10K - 2026
Sat, Nov 21, 9:00 AM
Denver · City Park
Pumpkin Pie 5K/10K - 2026
Sat, Nov 21, 9:00 AM
Denver · City Park
Race Through Florida Virtual Race | 5K, 10K, Marathon | Run Anywhere
Sat, May 16, 1:00 PM
Boulder · Boulder
Race Through Florida Virtual Race | 5K, 10K, Marathon | Run Anywhere
Sat, May 16, 1:00 PM
Boulder · Boulder
STRIDE & STRATEGY Metzger Farm Open Space 8/8/2026
Saturday at 6:00 PM
Broomfield · Metzger Farm Open Space
STRIDE & STRATEGY Metzger Farm Open Space 8/8/2026
Saturday at 6:00 PM
Broomfield · Metzger Farm Open Space
Race Through Alaska 1M 5K 10K 13.1 26.2 Virtual Race
Sat, Apr 18, 1:00 PM
Boulder · Boulder
Race Through Alaska 1M 5K 10K 13.1 26.2 Virtual Race
Sat, Apr 18, 1:00 PM
Boulder · Boulder
Ghosts and Goblins 5K/10K - 2026
Sun, Oct 25, 9:00 AM
Denver · City Park
Ghosts and Goblins 5K/10K - 2026
Sun, Oct 25, 9:00 AM
Denver · City Park
Dia de los Muertos 5k @ Cheluna Brewing | 2026 CO Brewery Running Series
Sun, Nov 1, 10:00 AM
Aurora · Cheluna Brewing Company
Dia de los Muertos 5k @ Cheluna Brewing | 2026 CO Brewery Running Series
Sun, Nov 1, 10:00 AM
Aurora · Cheluna Brewing Company
Teacher Appreciation Virtual Race 2026 | Teach Love Inspire
Sat, May 23, 1:00 PM
Boulder · Boulder
Teacher Appreciation Virtual Race 2026 | Teach Love Inspire
Sat, May 23, 1:00 PM
Boulder · Boulder
Race Through Connecticut Virtual Race | 5K, 10K, Marathon | Run Anywhere
Sat, May 16, 1:00 PM
Boulder · Boulder
Race Through Connecticut Virtual Race | 5K, 10K, Marathon | Run Anywhere
Sat, May 16, 1:00 PM
Boulder · Boulder
MORE ENERGY TOUR with ASICS at Lakewood Road Runner Sports
Sat, Aug 22, 4:00 PM
Lakewood · Road Runner Sports
MORE ENERGY TOUR with ASICS at Lakewood Road Runner Sports
Sat, Aug 22, 4:00 PM
Lakewood · Road Runner Sports
2026 First Responders 1M 5K 10K 13.1 26.2
Sat, Mar 28, 1:00 PM
Boulder · Boulder
2026 First Responders 1M 5K 10K 13.1 26.2
Sat, Mar 28, 1:00 PM
Boulder · Boulder
4th Annual Grace Baca Memorial 5K Walk/Run
Sat, Sep 19, 8:30 AM
Commerce City · 17910 Parkside Dr N
4th Annual Grace Baca Memorial 5K Walk/Run
Sat, Sep 19, 8:30 AM
Commerce City · 17910 Parkside Dr N
Race Through Alabama 1M 5K 10K 13.1 26.2 Virtual Race
Sat, Apr 11, 1:00 PM
Boulder · Boulder
Race Through Alabama 1M 5K 10K 13.1 26.2 Virtual Race
Sat, Apr 11, 1:00 PM
Boulder · Boulder
2026 La Sportiva Boulder Summer Run Series
Thu, Aug 13, 5:00 PM + 4 more
Boulder · 2100 Broadway
2026 La Sportiva Boulder Summer Run Series
Thu, Aug 13, 5:00 PM + 4 more
Boulder · 2100 Broadway
Race Through Arizona 1M 5K 10K 13.1 26.2 Virtual Race
Sat, Apr 25, 1:00 PM
Boulder · Boulder
Race Through Arizona 1M 5K 10K 13.1 26.2 Virtual Race
Sat, Apr 25, 1:00 PM
Boulder · Boulder
Yeti Frostbite Miles Virtual Race| Cryptid Quest Series 1M 5K 10K 13.1 26.2
Sat, Jul 11, 1:00 PM
Boulder · Boulder
Yeti Frostbite Miles Virtual Race| Cryptid Quest Series 1M 5K 10K 13.1 26.2
Sat, Jul 11, 1:00 PM
Boulder · Boulder
Peony Virtual Race | 1M 5K 10K 13.1 26.2 | Language of Flowers Collection
Sat, May 30, 1:00 PM
Boulder · Boulder
Peony Virtual Race | 1M 5K 10K 13.1 26.2 | Language of Flowers Collection
Sat, May 30, 1:00 PM
Boulder · Boulder
Race Through Arkansas 1M 5K 10K 13.1 26.2 Virtual Race
Sat, May 2, 1:00 PM
Boulder · Boulder
Race Through Arkansas 1M 5K 10K 13.1 26.2 Virtual Race
Sat, May 2, 1:00 PM
Boulder · Boulder
250 Miles for America's 250th Birthday Running and WalkingChallenge
Tue, Feb 3, 1:00 PM
Boulder · Boulder
250 Miles for America's 250th Birthday Running and WalkingChallenge
Tue, Feb 3, 1:00 PM
Boulder · Boulder
Race Through Georgia Virtual Race | 5K, 10K, Half Marathon & More | Run
Sat, May 2, 1:00 PM
Boulder · Boulder
Race Through Georgia Virtual Race | 5K, 10K, Half Marathon & More | Run
Sat, May 2, 1:00 PM
Boulder · Boulder
Flamingo Day 5K - 2027
Sun, Jun 6, 8:00 AM
Denver · Sloan's Lake
Flamingo Day 5K - 2027
Sun, Jun 6, 8:00 AM
Denver · Sloan's Lake

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