Uisdean Hawthorn is a Scottish winter climber and Alpinist with some extremely impressive ascents to his name. 

In 2018, Uisdean set a winter speed record for the Cuillin Traverse, knocking over one hour from the previous known fastest time and completing it in just 4 hours 57 minutes and 7 seconds.

The same year, together with Tom Livingstone, Uisdean climbed a new route in the Revelations Range of Alaska called Fun or Fear .