1975 World Association of Veteran Athletes Championships is the first in a series of World Outdoor Championships (also called World Masters Track and Field Championships).
The first international athletics (track and field) competitions for older athletes had taken place in 1972, when the United States Masters International Track Team (USMITT) and the Canadian Masters International Track Team (CMITT) organized a tour of Europe along with Australian and European athletes.
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The minimum age limit for this tour was 40 years, all men, with athletes divided into 10-year age groups called Veterans (now called Masters).
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This tour was called the "Olympic Tour" since it coincided with the 1972 Summer Olympics in Munich.
Following the success of this tour, the CMITT organized the first Championships in this series under the sponsorship of Canadian National Exhibition (CNE).
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This inaugural Championships took place in Toronto, Canada, from 11 to 16 August 1975.
The main venue was Centennial Park Stadium in the Etobicoke district of Toronto,
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while Cross Country was held in Sunnybrook Park.
The minimum age limit was 40 years for men and 35 years for women for this first Championships, with age groups of 5-year divisions for men and 10-year divisions for women.
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Younger athletes competed in the age group 30-39: Class 0 for men and Class 0W for women.
In meetings at the University of Toronto during the competitions, the World Association of Veteran Athletes (WAVA) was proposed as a governing body to organize future Championships in the series.
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A Local Organising Committee (LOC) would work in coordination with WAVA in running the Championships; the 1975 LOC was CMITT led by Don Farquharson,
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Farquharson would be elected WAVA president during General Assembly at the 1977 Championships.
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WAVA was renamed World Masters Athletics (WMA) at the 2001 Championships in Brisbane, Australia.
In addition to a full range of track and field events,
non-stadia events included 10K Cross Country, 25K Race Walk, and Marathon.
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