|Now departing London Gatwick|
For those not already familiar with what's ahead, the hikers will climbing three UK peaks: Ben Nevis / Beinn Nibheis (1,344 m or 4,409 ft), the highest mountain in Scotland. Scafell Pike (978 m or 3,209 ft), the highest mountain in England. And Snowdon / Yr Wyddfa (1,085 m or 3,560 ft), the highest mountain in Wales. According to Wikipedia, the total distance they will have walked is estimated at 42 kilometres (26 mi) or 44 km (27 mi) with a total ascent of 9,800 feet (3,000 m).
All being well, they will be back in London early on Monday morning, October 12, 2015.