Competing at her first Olympics, Lidiane Lopes was the youngest ever competitor for Cape Verde at the Olympics, aged 17. She competed in the 100 meters on 3 August. Lopes was drawn into heat four and ran a time of 12.72 seconds and finished fourth in her preliminary heat, 1.12 seconds behind the winner, Toea Wisil. She finished 17th out of 33 athletes overall and was 0.48 seconds behind the slowest athlete who progressed to the heats. Therefore, Lopes did not progress to the heats.