Cancer League of Colorado Race 4 Research

What is this?

The 30th Annual Cancer League of Colorado Race 4 Research 5K Run/Walk is excited to be back to the full event you love Sunday, August 16, 2026, at Washington Park, Denver! Run In-Person The race will kick off at 9am (end approximately 11am) on Sunday, August 16th. There will only be day-of-race in-person registration at Washington Park, but we prefer you register online in advance. Come early to pick up race bibs and t-shirts the morning of the race at the Registration desk. Pricing Adults $40 through July 29 (Early Bird Special)$45 from July 30–August 12$50 from August 13–15$55 on August 16 12 & Under $20.00 Help Us Fundraise The Race 4 Research raises money for Cancer League of Colorado, a non-profit charitable organization that is run entirely by volunteers with no paid staff or offices. The money raised goes directly to support cancer research and clinical trials performed at the University of Colorado Cancer Center or to cancer patient support organizations in Colorado. When regis