Born in Calgary, Alberta, McKeever participated in cross-country skiing at the 1998 Winter Olympics in Nagano.

The brothers raced together and won two gold and one silver at the 2002 Paralympic Winter Games in Salt Lake City.

At the 2006 Games in Turin, he and his brother took two gold, one silver, and a bronze medal in cross-country skiing and biathlon.

[2] In February 2022 the brothers' achievements were celebrated in Toyota's Super Bowl ad "Brothers", part of a global ad campaign titled "Start Your Impossible", which told their inspirational life story, from a childhood biking the hilly streets of Calgary and learning to ski, being motivated by their hometown 1988 Calgary Winter Olympics to aim for the national ski team, facing Brian's loss of vision as a teenager and ultimately winning 10 Paralympic medals together.

[3][4] In 2011, McKeever was inducted into the Canadian Disability Hall of Fame alongside his brother Brian.