Join us at the new OC Downtown Campus, located at East 4th Street and North Jackson Avenue, as we kick off the 16th annual 30 for 30 Fitness Challenge from 9 a.m. to 11 a.m. on Saturday, Aug. 26. If you have already registered for the challenge or still need to register, this come-and-go event is where you need to be. Anyone who wants to participate in the Fitness Challenge but hasn’t registered can register online at wranglersports.com/30for30 or at the kickoff.