Dundrum South Dublin Athletics Club (DSD) is one of Ireland's largest and most decorated athletics clubs, established in 1985. The club provides comprehensive training and competitive opportunities across all age groups, from Little Athletics (ages 7-10) and Juvenile (ages 11-18) to Senior and Masters levels. DSD is a significant community stakeholder, owning and operating major events like the Vhi Women's Mini-Marathon and the Spirit Sandyford 5K, and recently opened a new world-class multisport campus in 2023.