Corrigan Sports Enterprises | 1,076 followers on LinkedIn. From Conception to Fruition | Corrigan Sports Enterprises (CSE) was established in 1991 with the goal of creating, managing and implementing sports and event marketing opportunities for the corporate community. In that time, CSE has grown into one of the strongest marketing organizations in the area. CSE's signature event, The Baltimore Marathon & Running Festival will be in its 13th year in 2013 and will field over 25,000.