WASHINGTON — The 6th annual Annapolis Running Classic, which began early Saturday morning at the Navy-Marine Corps Memorial Stadium, has closed roads and caused traffic delays in the Anne Arundel, Maryland, area.

The event hosts a half-marathon with a cap of 4,000 runners, and a 10K with a cap of 1,500 runners.

The half-marathon has closed downtown streets, Rowe Blvd., Taylor Ave. and MD-450 Naval Academy Bridge.

The Annapolis Running Classic began at 7:30 a.m. and is projected to go for 3 hours and thirty minutes. At 11 a.m., police will reopen the roads and no longer direct traffic.

Click here to see the half marathon course map and here to see the 10K course map.