Kate Middleton has completed Britain's famous National Three Peaks Challenge as part of a special campaign to raise awareness about life after cancer diagnosis.

According to PEOPLE magazine, the Princess of Wales took on the challenge, which involves climbing the highest peaks in Scotland, England and Wales: Ben Nevis, Scafell Pike and Snowdon, just within 24 hours. The trek covers 23 miles with a total climb of more than 10,000 feet.