The UCI Anti-Cancer Challenge race in-person event will take place this October at UC Irvine. Participants are invited to join in-person or virtually when they register to ride, run, walk or volunteer. Event day activities include a 5K and 10K run/walk, 15-, 37-, 60- and 100-mile bike routes and a new mountain bike route. Participants can also enjoy the wellness festival featuring live entertainment, food, awards and more!