SOUTH PORTLAND — A group of bicyclists will begin a 480-mile ride to support the families of emergency workers tomorrow.

The riders will leave from the South Portland Western Avenue fire station. The ride ends in Washington, D.C. Patrick Mendelsohn, a South Portland firefighter and paramedic, will be among the riders.

The event benefits the Fallen Angels Fund, which helps families when emergency workers are killed or injured in the line of duty.