Career
Biffle was known as "the one-man track team" while attending DU. He led the Pioneers to the Skyline Conference title in 1949. In 1950, Biffle captured first-place finishes at the Kansas, Drake, and West Coast Relays, which were known as the "big three" of college track events during that period, as well as winning the National Collegiate Athletic Association long jump title. In that same year, Biffle was named Track and Field News" top collegiate track star.
After DU, he earned a spot on the 1952 United States. Olympic team
He later became a track coach and youth counselor at Denver East. He died in 2002 from pulmonary fibrosis.