Ready, sled-y, go: Build up to Aviemore Sled Dog Rally

Jeff J Mitchell/Getty ImagesMore than a thousand dogs could be taking part in this weekend's races
Sled dog teams have started gathering in the Cairngorms for the 37th Aviemore Sled Dog Rally.
The annual event will be held on a cross-country ski course around the shores of Loch Morlich near Aviemore.

Russell Cheyne/ReutersThe rally has been held since 1984 when just 12 teams competed

Russell Cheyne/ReutersThe rally is organised by the Siberian Husky Club of Great Britain in conjunction with Forestry and Land Scotland and sponsors

Jeff J Mitchell/Getty ImagesThe Aviemore race is the largest of its kind in the UK with as many as 250 mushers and more than a thousand dogs involved

Russell Cheyne/ReutersIn the absence of snow, the racing is done using three-wheeled rigs

Jeff J Mitchell/Getty ImagesThe dogs are training in the build up to the races on Saturday and Sunday
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