A 21-year-old from Cambridge is hoping to become a record holder for the youngest person and the first woman to row unsupported from Europe to South America. Zara Lachlan will attempt to row by herself from Portugal to French Guiana in October, facing the dangers of orcas, sharks and pirates while raising money for Women in Sport, a charity aiming to address gender inequality in sport. The physics student at Loughborough University said she has “never seen an ocean rowing boat before” and admits she is “terrified” of the challenge ahead but hopes to inspire others to “do things you’re scared o…