The GoodWill Shamrock Shuffle 5K is an endurance event supporting the GoodWill Foundation, established in honour of Will Sullivan, who had Angelman Syndrome, a neurological disorder. The foundation focuses on raising funds and awareness for Angelman Syndrome and supporting schools and programs for children with special needs. Beneficiaries include Matheny Medical Center and various camps for children. Registration opens early, with limited parking and safety guidelines regarding dogs and strollers. The event occurs rain or shine, with no refunds. T-shirts and parking are on a first-come, first-served basis, and post-race photos will be available online.