Great Britain's ski half-pipe duo Murray Buchan and James Machon have finished outside of the top 12 in the qualification runs on Tuesday afternoon.

Buchan's second run of 62.40 improved on his first effort of 58.40, but despite being the 10th-highest second attempt he could only manage 17th overall.

Machon found things tougher than his compatriot with an initial 37.40, and despite also going better on run two 52.20 was good enough only for 23rd overall.

Justin Dorey of Canada finished top of the two qualifying runs with a score of 91.60, ahead of USA's David Wise who managed 88.40.