CHICAGO--(BUSINESS WIRE)--Registration for the 2016 Bank of America Shamrock Shuffle 8K opens today at 1 p.m. Central Time. The classic road race is an annual tradition for runners looking to continue the essence of the St. Patrick’s Day celebration with a fun run through the heart of Chicago. The 2016 race will be held on Sunday, April 3, and will welcome thousands runners on a one-of-a-kind course that weaves its way through Chicago’s Loop, starting and finishing in Grant Park. The first 8,00