Ron Jones Zwift Dempsey Challenge 2021

The Dempsey Challenge 2021 brought back the annual Dempsey Challenge to Zwift for the second year in a row.

The Dempsey Challenge 2021 presented by AMGEN Oncology Patrick Dempsey is bringing the annual Dempsey Challenge to #Zwift for the second year in a row. Join for two days of rides aimed at raising awareness and funds to support those managing the impact of cancer.


The Dempsey Center is an organization committed to making life better for people dealing with a cancer diagnosis. Founded in 2008 with the intention of giving back to the community, it improves the quality of life of those impacted by providing a personalized, holistic, and integrated approach to cancer prevention, education, and support.

Join Patrick on rides across Watopia and help make life brighter for those in need.


Spin alongside Patrick Dempsey on Saturday, October 23, as he leads a group ride accompanied by special guests via live broadcast.

Circle back Sunday, October 24, to ride any of the 6, 12, 25, or 42-mile challenges. You can also run or walk their 2-mile, 5k, or 10k events.

When Zwifters reach 50,000 collective miles across all events over the weekend, Zwift will unlock a $50,000 donation to the Dempsey Challenge.

To do this, you can ride one of four cycling routes or join one of three run/walk routes over this two-day event.

Can’t make it but still want to help out? Head to the Dempsey Challenge to make a donation.


The #DempseyChallenge presented by Amgen Oncology is an annual run, walk, and cycling fundraising experience. Every dollar raised will directly benefit the Dempsey Center.

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