Sunday - 9/8 - Lake Worth Tropical Triathlon 2013 - Presented by the Central Palm Beach County Chamber of Commerce at Lake Worth Beach, 10 Ocean Blvd. Participants have a 1/4 mile ocean swim off Lake Worth Beach, 11-mile bike course and a 3.1-mile run. 7 am-noon. Registration $85-$150, depending on category. Register at www.active.com. 790-6200 or www.cpbchamber.com.