
Brave participants will rappel 19 stories down the Kimpton Claret Hotel in Denver — all to raise critical funds for pediatric cancer research, patient services, and clinical trials at Children’s Hospital Colorado.
Over the Edge is one of Cancer League of Colorado’s signature fundraising events, and our partnership with Children’s Hospital Colorado means every dollar raised goes directly toward giving kids fighting cancer a better chance — funding the research, trials, and support services that families rely on when they need it most.
Here’s how you can be part of it:
🪢 Register to Rappel
Take the leap yourself! All it takes is raising a minimum of $1,000 in pledges. No experience necessary — first-timers and seasoned climbers alike are welcome.
💛 Sponsor the Event
Businesses and individuals can sponsor Over the Edge and put their name behind lifesaving pediatric cancer research.
🎉 Cheer from the Ground
Can’t rappel? Join us in person to support participants and celebrate their courage.
💝 Donate
Every gift — big or small — funds research and services for Colorado kids and families facing cancer.
Cancer League of Colorado is entirely volunteer-run, with 100% of donations going directly to cancer research and patient services here in Colorado. Since 1969, we’ve granted more than $27 million toward the fight against cancer — and Over the Edge is a thrilling, meaningful way to keep that mission going.
Join us September 16, 17 & 18 and help send kids at Children’s Hospital Colorado one step closer to a cure.
👉 Learn more
cancerleague.org/over-the-edge