A highly decorated runner in Ireland, Niall was a highly recruited runner by John McDonnell at the U of A. In 1974, Niall earned his first SWC Indoor Championship gold medal in the 880. He also earned the first of 7 All-American placements in both cross country and indoor and outdoor track – he could run races from the 880 to the 10,000 with ease. His indoor mile of 3:55:40 is still an Arkansas record. His 1,000 meter time of 2.04.50 is still an NCAA record. Niall represented Ireland in the 1976 Montreal Olympics.