Gar Wood, Jr. competes in national outboard championship in Virginia

The video covers a championship event featuring daredevil pilots from across the country. Garwood's speedboat King is present to watch his 19-year-old son compete in the class A&B divisions. The race takes place on the James River, known for its flat and muddy conditions with challenging hairpin turns.

Describe the condition of the James River as mentioned in the text.

What advice is given to the skip regarding the turns in the river?