The Potomac River is located along the mid-Atlantic Ocean coast of the United States and flows into the Chesapeake Bay. The river is approximately 405 miles long, with a drainage area of about 14,700 square miles.
Open Water Swimming
- The Potomac River 7.5 Mile Swim for the Environment is held in the Potomac River.
- 2.3 km Washington's Crossing: Swim Across the Potomac is held in the Potomac River.
- 33 km DC Marathon Swim is held in the Potomac River.