400m specialist Amadou Gakou finished 4th at the 1968 Olympics, running in a national record of 45.01 seconds that is still standing more than 42 years later.
The sprinters from Dakar high-performance training center (CIAD) had a test on 150m - victory by Cameroon's Idrissa Adam in 15.5 - while 400m specialist Amy Mbacke Thiam won the 600m in 1:32.1.