WThe Athletics competitions in the 1977 Bolivarian Games were held at Estadio Hernando Siles in La Paz, Bolivia, on October 15–29, 1977.
WThe 1977 Central American and Caribbean Championships in Athletics were held at the Estadio Heriberto Jara Corona in Xalapa, Mexico between 5–7 August.
WAthletics competitions at the 1977 Central American Games were held at the Estadio Flor Blanca in San Salvador, El Salvador, between November 29 – December 1, 1977.
WThe 8th European Athletics Indoor Championships were held in San Sebastián, a city in Spain, on 12 and 13 March 1977.
WThe 1977 NCAA Division I Men's Cross Country Championships were the 39th annual cross country meet to determine the team and individual national champions of NCAA Division I men's collegiate cross country running in the United States. Held on November 21, it was hosted by Washington State University at Hangman Valley Golf Course, near Spokane, Washington.
WThe 1977 Pacific Conference Games was the third edition of the international athletics competition between five Pacific coast nations: Australia, Canada, Japan, New Zealand and the United States. It was held on 3 and 4 December in Canberra, Australia. A total of 20 men's and 14 women's athletics events were contested. Two new women's events were added to the programme of the previous edition: the 400 metres hurdles and the 4×400 metres relay. The relay event had gained Olympic status in 1972, but the inclusion of the women's hurdles event was ahead of its time as it was not held at the Olympics until seven years later.
WThe 1977 UK Athletics Championships was the national championship in outdoor track and field for the United Kingdom held at Cwmbran Stadium, Cwmbran.
WAthletics events were contested at the 1977 Summer Universiade in Sofia, Bulgaria between 19 and 23 August.
WThe 1977 USA Outdoor Track and Field Championships took place between June 9–10 at Drake Stadium on the campus of University of California, Los Angeles in Westwood, California. The decathlon took place on July 9–10 in Bloomington, Indiana. This meet was organized by the AAU.
WThe athletics competition at the West African Games was held from 27 August – 3 September 1977 at the National Stadium, Lagos in Lagos, Nigeria. A total 34 events were contested, 21 for men and 13 for women