Calling all young athletes: get ready to swim, bike and run in the second annual Wellington Kids Triathlon. This exciting and challenging endurance event will take place Sunday, April 28, beginning at the Wellington Aquatics Complex, located at 12150 W. Forest Hill Blvd. The triathlon is limited to children born between 1999 and 2009. Participants must register online at www.active.com by Monday, April 22. No race day registrations will be accepted.