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Challenge Day

UCI Anti-Cancer Challenge

October 07, 2023

Saturday, Oct. 7 at UCI Aldrich Park
5K and 10K Run/Walk | 14-, 35-, 60- and 100-Mile Ride | Mountain Bike Ride

Ride, run or walk with us on Challenge Day, and enjoy a family-friendly festival featuring live entertainment, awards, activities and more!

Every participant-raised dollar supports innovative cancer research at the UCI Health Chao Family Comprehensive Cancer Center, one of the only 53 elite National Cancer Institute-designated comprehensive cancer centers and the only one based in Orange County. 

Through a partnership with Children's Health of Orange County (CHOC), a portion of the funds are dedicated to pediatric cancer research.


Saturday, Oct. 7 at UCI Aldrich Park

6:00 a.m. – Registration Open, VIP Lounge and Rider Central Open*
6:45 a.m. – 100-Mile Ride
7:00 a.m. – 60-Mile Ride
8:00 a.m. - Mountain Bike Ride
8:00 a.m. – Festival Opens
8:15 a.m. – 35-Mile Ride
8:45 a.m. – 14-Mile Ride
9:00 AM – 5K and 10K Run/Walk Opening Ceremony
9:15 a.m. - 10K Run/Walk
9:20 a.m. – 5K Run/Walk
10:00 a.m. – Finish Line BBQ Open and Live Musical Entertainment
11:00 a.m. – Awards Presentation 
11:00 a.m. – 2:00 p.m. – Live Musical Entertainment
2:00 p.m. – Festival Concludes
*VIP Lounge and Rider Central remain open until last rider returns

Event day schedule is subject to change.

Will you be competing to win some fun UCI Anti-Cancer Challenge awards on Challenge Day?

Top Fundraiser
Top Fundraising Team
Largest Team
Best Dressed Team
Most Spirited Team

Click the icons below to view the routes on Strava:


Mountain Bike Route Map TBD.

Wednesday - Friday, Oct. 4-6

UCI Research Park
5141 California Avenue, Irvine, CA 92617

Additional Details TBD.