Multiple Antigonish Casket Newspaper "Athlete of the Week" Awards
2008 Summer Olympics
Gillis went to the Beijing Summer Olympics as a member of Team Canada. He competed in the 10000 metres event on August 17, 2008, in the Beijing National Stadium. Though he was aiming to finish among the top 20, he finished 33rd overall with a time of 29:08.10.
2012 Summer Olympics
At the 2012 Summer Olympics, Gillis competed in the men's marathon. He finished in 22nd place with a time of 2:16:00.[4]
2016 Summer Olympics
In July 2016, he was named to Canada's Olympic team.[5] He finished 10th in the marathon in a time of 2:12:29, the first Canadian man to finish in the top 10 in the Olympic marathon since 1976.[6]