Freezing winter conditions are expected to continue this week after a 100-mile wide corridor of snow swept over the UK.
Severe weather warnings for icy conditions are in place for large parts of Scotland until Sunday morning, although snow showers which affected a band of the country yesterday were expected to peter out overnight.
Temperatures dipped as low as minus 10 overnight Friday into Saturday morning in some parts of rural Scotland.
Two endurance runners had to be rescued in the early hours of Saturday in the Borders while taking part an event which calls itself "Britain's most brutal race".
A search team was called out around 5.40am in freezing conditions after the alarm was raised over a competitor who had become hypothermic around a mile from the finishing line.
The 268-mile Spine Race, which take part over seven days, encompasses the entire Pennine Way and finishes in the Borders town of Kirk Yetholm.
A spokesman for the Border Search and Rescue team said they had been called out to help a competitor suffering from hypothermia and then diverted to help a second competitor who had suffered a knee injury.
The race organisers said safety teams had been working through the night to ensure athletes were safe on the trail.
The Met Office forecast for Scotland for the first half of the week is predicting the cold snap will continue, with overnight frosts.
Conditions are expected to be cloudy with some light rain or sleet in the west on Monday - but it will be mainly dry and bright on Tuesday and Wednesday.
While travellers struggled with snow and ice on the roads, Scotland's ski resorts were gearing up for a busy weekend.
Nevis Range ski resort said it expected to be busy over the weekend, with good skiing right across the front of the hill and a mix of groomed and un-groomed runs.
Glencoe said it "should be a cracking weekend for snow sports with light winds and great snow conditions".
Cairngorm reported on Saturday that all open terrain has mostly good cover of packed powdery dry snow, while most runs are complete with packed snow at Glenshee.
The Scottish Avalanche Information Service has warnings of "considerable" risk of avalanches in place for all mountains.
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