Marathons Events in Denver

Check out happening marathons events all around Denver, CO

DENVER COLFAX MARATHON - NATIONAL RACE MEETUP

 Sat, 16 May at 09:00 am Denver Colorado

Donut Dash 5K - 2026

 Sun, 12 Apr at 09:00 am Washington Park - Denver, CO

Free Pancake Run - Colfax Marathon Countdown!

 Sat, 21 Mar at 07:45 am Runnersroostco

The Cutoff Film Tour - Denver, CO

 Thu, 26 Mar at 06:00 pm Oriental Theater

Lucky Brew Race 5k, 10k, 15k & Half Marathon

 Sat, 14 Mar at 07:30 am Severance Community Park

Cookie Chase 5K - 2026

 Sat, 11 Jul at 08:00 am Sloan's Lake

Mrs. Colorado 2026 Pageant/Preliminary Pageant

 Thu, 02 Apr at 06:00 pm Ellie Caulkins Opera House

2026 Denver Close Encounters

 Fri, 22 May at 12:00 pm Denver Turnverein

Colfax Ambassadors at Colorado Harriers

 Thu, 26 Feb at 06:30 pm Denver Beer Co (Platte Taproom)

2026 International Women's Day 1M, 5K, 10K, 13.1, 26.2

 Sun, 08 Mar at 01:00 pm Denver USD 4 to 42

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

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

The Irresistible R/Evolution: Poetry, Art, Music & Times of Social Struggle

 Mon, 02 Mar at 06:30 pm The Shop at MATTER USD 17

2026 Be Brave 1M 5K 10K 13.1 26.2

 Sat, 07 Mar at 01:00 pm Denver USD 4 to 42

2026 First Responders 1M 5K 10K 13.1 26.2

 Sat, 28 Mar at 01:00 pm Denver USD 4 to 42

Consider the Wildflowers 1M 5K 10K 13.1 26.2

 Sun, 01 Mar at 01:00 pm Denver USD 4 to 42

I'm Your Huckleberry 1M 5K 10K 13.1 26.2

 Sat, 28 Feb at 01:00 pm Denver USD 4 to 42

Memorial Day 1M 5K 10K 13.1 26.2

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

Heart Healthy Indoor Triathlon

 Fri, 27 Feb at 07:00 am Schriever Fitness Center

2026 The Truth is Out There 1M, 5K, 10K, 13.1, 26.2

 Fri, 20 Mar at 01:00 pm Denver USD 4 to 42

2026 Day of the Dead 1M 5K 10K 13.1 26.2

 Sat, 14 Mar at 01:00 pm Denver USD 4 to 42

Luck of the Irish 5K

 Tue, 17 Mar at 01:00 pm Denver USD 4 to 42

Race for Love 1M 5K 10K 13.1 26.2

 Sat, 14 Feb at 01:00 pm Denver USD 4 to 42

2026 World Cancer Day 1M 5K 10K 13.1 26.2

 Sun, 01 Feb at 01:00 pm Denver USD 4 to 42

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

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