Conversation so far:
Did Abebe Bikila win any races between 1960 and 1964?
In the 1961 Athens Classical Marathon, Abebe Bikila again won while running barefoot.
After Abebe Bikila won the 1961 Athens marathon did he win any more races?
The same year in 1961 Abebe Bikila won the marathons in Osaka and Košice.
Did Abebe Bikila compete in any races between 1960 and 1964 that he didn't win?
Abebe Bikila ran the 1963 Boston Marathon—which was between his Olympic wins in 1960 and 1964—and finished fifth in 2:24:43.
Were there any other races that Abebe Bikila ran during 1960–1964?
Abebe Bikila returned to Ethiopia and did not compete in another marathon until 1964 in Addis Ababa.

Question: Did Abebe Bilika race barefoot again during any of these races?
Self-contained rewrite: Did Abebe Bilika race barefoot again during any of these 1960–1964 races?