The club founded the Bingham Cup tournament in 2002 in honor of Fog player Mark Bingham , who died on Flight 93 in the September 11 , 2001 attacks on the United States , after trying to thwart the hijackers along with other passengers . The men 's side competes seasonally in Division III of the Northern California Rugby Football Union ( NCRFU ) , a division of USA Rugby . It also competes in the International Gay Rugby Association and Board ( IGRAB ) season . Within IGRAB , the club competes every two years for the Bingham Cup , winning the first two tournaments in 2002 and 2004 . Other tournaments the team competes in include Scrum by the Sea , Seattle Magnitude XVs , and the Wild West Rugby Fest
September 11 , 2001 attacks
September 11 attacks
San Francisco Fog RFC