The tournament was named after Mark Bingham , a former University of California at Berkeley rugby star who was killed at age 31 in the September 11 , 2001 attacks on board United Airlines Flight 93 .
The tournament was named after Mark Bingham , a former University of California , Berkeley rugby star who had played in the May 2001 tournament for San Francisco Fog RFC . 
 Bingham died in the September 11 , 2001 attacks on board United Airlines Flight 93 .