sentences:  It shares the last weekend of fall racing in the Northwest with the Lake Washington Rowing Club's annual Head of the Lake regatta.For many participants, this is an intense weekend where they race the 1000-meter course on Saturday at Green Lake, and then the three-mile head-race on Lake Washington the next day.Beyond the three regattas annually hosted by the RAC at Green Lake, GLC intermittently hosts a variety of events of regional and national import.