Delaware Marathon - May. The course is flat and fast and each of the four loops starts and finishes outside Frawley Stadium. The first lap is 7.3 miles. The final three laps are 6.3 miles. Note: 12% of participants have qualified for the Boston Marathon. The course proceeds around the Shipyard Outlet Shops at the Riverfront and the Riverfront Market along the entire length of the Wilmington River Walk. It continues on an out-and-back loop along Front Street, Church Street, and Seventh Street, past Old Swedes Church, Fort Christina and the Kalmar Nyckel shipyards to Up the Creek restaurant at the end of Seventh Street. The loop then returns the runners back through Garrett-Tubman Park, along Water Street, West Street, Madison Street and Beech Street to the stadium.