Muckelt came from a family that produced dyes for the textile industry in Manchester . She trained on the Manchester ice rink, the only one in Great Britain outside London at the time .
In pair skating, Muckelt and Sydney Wallwork took part in the 1920 Olympic Games in Antwerp, they finished fifth. From 1924 she competed with the British record champion in the individual run, John Page . In 1924 they were runner-up in Manchester, behind Helene Engelmann and Alfred Berger . It remained her only world championship medal. They finished sixth in 1926 and fourth in 1928 . You participated in two Olympic Games. In 1924 in Chamonix they took fourth place and in 1928 in St. Moritz they took seventh place.