At the 1986 Commonwealth Games in Edinburgh, as Liz Lynch, she took the gold medal in the 10,000 metres, finishing nearly 12 seconds ahead of the nearest competitor and giving the host country its only gold medal in athletics. Earlier that year, she had won the NCAA National Championship in the mile representing Alabama Crimson Tide in the American collegiate Indoor Track and Field national championships. In 1987, she won a silver medal at the World Cross Country Championships in Warsaw representing Scotland (Great Britain would not send a unified team to the World Cross until 1988). She finished behind Annette Sergent of France but ahead of Ingrid Kristiansen. In September, she improved the UK 10,000m record to 31:19.82 while finishing fifth at the World Championships in Rome, in a race won by Kristiansen.