WThe 2018 North American, Central American and Caribbean Championships was a regional track and field competition held at Varsity Stadium in Toronto, Canada, from August 10-12, 2018. It was the third edition of a senior track and field championship for the NACAC region, held three years after the 2015 NACAC Championships. The winner of each event qualified for the 2019 Pan American Games competition, which will be held in Lima, Peru.
WThe 2018 Rugby Football League Championship is a rugby league football competition played primarily in the United Kingdom, one tier below the first tier Super League. The 2018 season is the fourth to consist of the Super 8s structure combining the Championship and Super League three-quarters of the way through the season.
WThe 2018 BWF World Junior Championships was the twentieth edition of the BWF World Junior Championships. It was held in Markham, Canada at Markham Pan Am Centre from 5 to 18 November 2018. This was the second time Canada had hosted the Badminton World Junior Championships.
WCanada competed at the 2018 Commonwealth Games in Gold Coast, Australia from 4 April – 15 April 2018. It was Canada's 21st appearance at the Commonwealth Games, having competed at every Games since their inception in 1930.
WCanada competed at the 2018 Summer Youth Olympics, in Buenos Aires, Argentina from October 6th to 18th.
WCanada competed at the 2018 Winter Olympics in Pyeongchang, South Korea, from February 9 to 25, 2018. It was the nation's 23rd appearance at the Winter Olympics, having competed at every Games since their inception in 1924. Canada competed in all sports disciplines, except Nordic combined. The chef de mission was Isabelle Charest, who was appointed in February 2017.
WThe 2018 FIBA Under-18 Americas Championship was an international under-18 basketball tournament that was held from 10–16 June 2018 in St. Catharines, Ontario, Canada. The eleventh edition of the biennial competition, this is also the qualifying tournament for FIBA Americas in the 2019 FIBA Under-19 Basketball World Cup in Greece.
WThe 2018–19 Grand Prix of Figure Skating Final and ISU Junior Grand Prix Final took place from 6 to 9 December 2018 at the Doug Mitchell Thunderbird Sports Centre in Vancouver, British Columbia, Canada. The combined event was the culmination of two international series — the Grand Prix of Figure Skating and the Junior Grand Prix. Medals were awarded in the disciplines of men's singles, ladies' singles, pair skating, and ice dancing on the senior and junior levels.
WThe International 2018 (TI8) was the eighth iteration of The International, an annual Dota 2 world championship esports tournament. Hosted by Valve, the game's developer, TI8 followed a year-long series of tournaments awarding qualifying points, known as the Dota Pro Circuit (DPC), with the top eight ranking teams being directly invited to the tournament. In addition, ten more teams earned invites through qualifiers that were held in June 2018, with the group stage and main event played at the Rogers Arena in Vancouver in August. The best-of-five grand finals took place between OG and PSG.LGD, with OG winning the series 3–2. Their victory was considered a Cinderella and underdog success story, as they had come from the open qualifiers and were not favored to win throughout the competition.
WUFC Fight Night: Volkan vs. Smith was a mixed martial arts event produced by the Ultimate Fighting Championship that was held on October 27, 2018 at Avenir Centre in Moncton, New Brunswick, Canada.
WUFC on Fox: Alvarez vs. Poirier 2 was a mixed martial arts event produced by the Ultimate Fighting Championship held on July 28, 2018 at the Scotiabank Saddledome in Calgary, Alberta, Canada.
WCanada competed at the 2018 Winter Paralympics in Pyeongchang, South Korea, from 9 to 18 March 2018. Canada sent a team of 55 athletes to compete in all six sports. The chef de mission was retired sledge hockey player Todd Nicholson, appointed in January 2017.