Former chef Charlotte Worthington is a two-time reigning world bronze medallist in the women's BMX freestyle and rides sixth for Team GB. Worthington faces three-time world champion Hannah Roberts who looks to become the youngest American cycling medallist since 1912 and first teenage woman to win an Olympic cycling title from any country. She finished top in Friday’s seeding runs in a US 1-2 alongside teammate Perris Benegas. Show less