Career
Calhoun was the National Company-ordinator for the Terry Fox Marathon of Hope, working with Fox to organize the original run in 1980. He coined the phrase "Marathon of Hope" for the event. Calhoun has served in numerous other positions in charitable and educational organizations, including:
National Fundraising Chairman at the Canadian Cancer Society
Ontario chair of the Canadian Diabetes Association
chair of the Mogenson Trust in Physiology, University of Western Ontario
London, Ontario-branch vice president of the Canadian Mental Health Association
executive director of Partners in Research
Certificate of Merit from the Canadian Cancer Society, 1977
honorary life membership in the Canadian Cancer Society, 1987
Ontario Medal for Good Citizenship, 1996
Queen Elizabeth II Golden Jubilee Medal, 2002
entry in Canadian Who"s Who, 2004
Doctor of Laws (honoris causa) from The University of Western Ontario, 2011
Queen Elizabeth II Diamond Jubilee Medal, 2012.