In August 1982, at the European Championships in Athens, Smallwood broke her own UK 200 m record with 22.13 secs, to finish a close second to Olympic Champion Bärbel Wöckel, who ran 22.04. She won another silver in the sprint relay, along with Wendy Hoyte, Bev Callender (Goddard) and Shirley Thomas. In September, she added the UK 400 m record to her 100 &amp; 200 m records, running 50.46 in London. Then in October, at the Commonwealth Games in Brisbane, she won another silver medal in the 200 metres, in a wind assisted 22.21, being edged out of victory by Jamaica'a Merlene Ottey, who ran 22.19. She did win a gold medal in the sprint relay with Hoyte, Callender and Sonia Lannamann. In 1983, now competing as Kathy Cook, she won two medals at the inaugural World Championships in Helsinki. On day one of the championships, she won a silver medal in the sprint relay, alongside Joan Baptiste, Bev Callender and Shirley Thomas. She then won the bronze medal in the 200 metres in 22.37, behind Marita Koch and Merlene Ottey and ahead of Florence Griffith.