June Marcia Griffith (married Collison) (born June 16, 1957) is a retired Guyanesetrack and field athlete. She participated in both sprint and jumping events. She represented Guyana in the 400 meters at the 1984 Olympics, making it to the semi-final round before finishing a non-qualifying 5th place in her semi final behind the eventual gold (Valerie Brisco-Hooks) and bronze (Kathy Smallwood-Cook) medalists.[1]
* Distances have varied as follows: 440 yards (1959–1986), 400 meters (1987–date) alternating with 300 meters in odd numbered years starting 2015. The 1958 race was run as an exhibition.