One of the events on the Balbriggan calendar which is growing year by year is the Balbriggan Cancer Support Group 10k Run/Walk & Half Marathon. The 2014 event was officially launched on Thursday night by Gerry Duffy, author, professional speaker and renowned athlete. Gerry Duffy has a sporting CV which has seen him complete some of the hardest endurance challenges on the planet.completed 32 marathons in 32 days in 2010 and is a familiar face at the Balbriggan Cancer Support Group 10k Run/Walk and Half Marathon.