The Columbia Triathlon will cause traffic delays between 7a.m. and 1 p.m. Sunday, according to the Howard County Police Department.

About 2,400 athletes are expected to participate in the event, which includes bicycling and running courses on county roads.

The bicycle route includes Route 108, Ten Mills Road, Harper's Farm Road, Homewood Road, Folly Quarter Road, Triadelphia Road, Triadelphia Mill Road, Green Bridge Road, Howard Road and Linthicum Road.

After the bicycle course, the athletes will run on Old Annapolis Road, Carillon Drive, Cross Country Drive, Century Drive and Colonial Drive.

Police urge residents to plan ahead and allow for extra time if they have to travel on these roads. Police officers will be directing traffic.
The Baltimore Sun