1. What stimulant did cyclists start using in the 19th century to enhance their performance?

2. What race, held for three weeks each July, is considered the world’s most prestigious and difficult bicycle race?

3. Who was the first non-European to win the Tour de France?

4. Which seven-time Tour de France winner was later stripped of his titles?

5. At the 2019 World Championships for track racing, who became the youngest woman ever to win the time trial?