Fitness Events in Boulder

Check out happening fitness events all around Boulder, CO

Harvest Moon Long Course Triathlon

 Sun, 31 May at 07:15 am Boulder Reservoir

Bike & Walk To Work Day June 24th

 Wed, 24 Jun at 06:30 am Community Cycles

Boulder Sunrise Triathlon

 Sun, 28 Jun at 07:15 am Boulder Reservoir

Dirt Circus Boulder

 Sat, 08 Aug at 08:00 am Runners Roost (Boulder)

Boulder Rez Marathon

 Sat, 15 Aug at 07:15 am Boulder Reservoir

YogaRita

 Sat, 30 May at 10:30 am Rosetta Hall Free

Pedal Around Boulder

 Sun, 24 May at 09:00 am Trek Bicycle Boulder USD 0 to 34

BOULDER Mountain Bike Skills Clinic for Women

 Sat, 13 Jun at 08:00 am Valmont Bike Park

Vuori Boulder x Boulder Yoga Studio

 Sun, 31 May at 09:00 am Vuori Clothing Free

Grit2Greatness Endurance Training Camp 2026 - Boulder, CO

 Thu, 25 Jun at 08:00 am Boulder Reservoir Free

Deep End Session #1 | Boulder

 Sun, 07 Jun at 10:00 am Boulder Elks Pool & Patio USD 30

ACTV Studio IRL: Vuori Boulder x CorePower

 Sun, 17 May at 09:00 am Vuori Clothing Free

Peony Virtual Race | 1M 5K 10K 13.1 26.2 | Language of Flowers Collection

 Sat, 30 May at 01:00 pm Boulder USD 4 to 42

Race Through Hawaii Virtual Race | 5K, 10K, Marathon | Run Anywhere

 Sat, 16 May at 01:00 pm Boulder USD 5 to 42

Memorial Day 1M 5K 10K 13.1 26.2

 Mon, 25 May at 01:00 pm Boulder USD 4 to 42

Lavender Virtual Race 1M 5K 10K 13.1 26.2 | Language of Flowers Collection

 Sat, 27 Jun at 01:00 pm Boulder USD 4 to 42

Kundalini Yoga Class

 Tue, 21 Apr Cultivated Healing USD 18 to 25

Aikido Introductory Series - May to June 2026

 Tue, 05 May at 06:00 pm 2424 30th St Free

Be Kind to Your Mind 1M 5K 10K 13.1 26.2

 Sat, 02 May at 01:00 pm Boulder USD 4 to 42

Shake Your Soul, The Yoga of Dance; A Community Embodied Movement Class

 Fri, 01 May at 12:00 pm NoBo Library - Boulder Public Library District Free

Cat Day Virtual Race 1M 5K 10K 13.1 26.2

 Sun, 09 Aug at 01:00 pm Boulder USD 4 to 42

Unhinged and Feral 1M 5K 10K 13.1 26.2 - Now Only $18!

 Sat, 03 Oct at 01:00 pm Boulder USD 0 to 42

Mother's Day 1M 5K 10K 13.1 26.2

 Sun, 10 May at 01:00 pm Boulder USD 4 to 42

2026 Race to Read 1M 5K 10K 13.1 26.2

 Fri, 06 Mar at 01:00 pm Boulder USD 5 to 42

May the 4th Be With You - 4 Mile Virtual Race

 Mon, 04 May at 01:00 pm Boulder USD 5 to 42