1. What does BMX mean? - BMX means 'bicycle motocross'.
2. Who is BMX very popular with? - BMX is very popular with young people.
3. In BMX races, who are the winners? - The first three competitors are the winners.
4. Who chooses the winners in BMX freestyle competitions? - A group of referees choose the winners.
5. Who are Connor Fields and Mariana Pajón? - Connor Fields and Mariana Pajón are gold medal winners in BMX competitions.
6. Why don't all spectators want to be BMX riders? - Because they think it's a risky sport.