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Race Day Instructions will be available by clicking here at the end of Feb.

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Course Information

The John Ritter Foundation is an organization which promotes research and awareness into Aortic Aneurysm and Dissection.

Actor, John Ritter, passed away suddenly from an acute Aortic Dissection in 2003.  He was unaware that he had an aortic aneurysm.

Our Mission

Join Us

All Proceeds to benefit the John Ritter Foundation!

Be a LEGACY RUNNER! Participate in Riley's Run for 5 years and you will be a LEGACY RUNNER!  Does not have to be consecutive years.

6th Annual!!

Riley's Run for Aortic Health

Want to make a DONATION?  Click Here!. and click "Donate" in the upper right.

Riley (a Corona, CA native), is a 16 year old girl who was born with a bicuspid aortic valve which has led to an aortic aneurysm currently.  She is a very fun, intelligent young lady who recently underwent her first open heart surgery.   Riley will be cheering you all on and giving you your Medal when you cross the Finish Line!

This race was put together by her friends and family to raise money for the John Ritter Foundation in hopes of continued research for treatment and awareness.


5k, 10k, Kids 1k!

New 10k partially on TRAILS course this year!

Want to run for FREE? Check out our New Charity Runner Program!

3.1 Miles/5k        8:00am Start

6.2 Mile/10k        7:45 AM Start

​1k Kids Run         9:15 AM Start

hidden valley wildlife center (11401 Arlington Ave, Riverside, CA 92505)

Packet Pick Up: TBD; Friday, March 6--and--Race Day morning beginning at 6:30am!

Stay for the Finish Line Party!  Food, music, and lots of friends!

​Route:  Start and Finish in front of the Hidden Valley Nature Center! Click on "Race Details" at the top of this page for detailed course information.

Click here to Register: Registration Is closed--event cancelled 



Kids 1k--$10

Virtual Run--$20 bib and medal! You post a pic on our Facebook page of you finishing your 5k or 10k and we will send a bib and medal to you after Riley's Run.