Members of the Galloway Mountain Rescue Team are going to spend 12 days cycling to the most southerly, westerly, northerly and easterly points of mainland Scotland.
Over 1,100 miles will be clocked up in the process and the volunteers will be raising money for the team's running costs and for a children's cancer charity.
Andy Burn reports:
More top news
Political Editor Peter MacMahon grills the Scottish Conservative leader in the latest of Representing Border's exclusive interviews.
Cloudy and wet for Monday. Improving for the next few days - less humid by day, cool by night. Midweek best for sunshine
A man and woman on a motorcycle were killed in the crash, which happened on the A76 in Dumfries and Galloway.