Mark McGuire, a lifelong motorcyclist, former club racer, and president of the Washington Motorcycle Road Racing Association (WMRRA) in 1999 and 2000 died at his home in Seattle, Washington on March 22 after a valiant 18-month battle with brain cancer.

Mark was 65 years old.

He is survived by his loving wife, Patricia, and five siblings.

He will be sorely missed by his wife, family, and many friends in the Seattle motorcycling community.