The logistics of racing the course at the Head Of The Charles are tricky, and the men's youth eight event is one of the hardest. With 90 entries and coxswains of varying skill level there are inevitable tangles between the crews. Here's one of the gnarliest from this year's event exiting the curve past the Anderson Bridge between Huron (68), DC National (70), and St. Benedict's (71).

This was just the beginning of the clashage; see the full sequence and then some here.

Photo by Ed Hewitt.