The week's walks begin in Yorkshire. First up is ex-army hiking blogger Paul, who’s convinced his epic, challenging Malham Cove hike is the winner. But what will the others agree?

In the second Yorkshire walk, children’s storyteller Ilaria leads the hikers on a fun-filled romp across Ilkley Moor. But could her map-reading skills leave them lost on the moors?

Butcher’s assistant Natalie takes the group on a stunning seaside stroll to Robin Hood’s Bay. But will her day of sun, sea, sand and smugglers convince them her walk’s the winner?

Retired nurse Edwin leads the group on a historic hike to spectacular Fountains Abbey. Will his adventure-packed, fact-filled route put him one step ahead?

Ex-teacher Annie hosts the last Yorkshire hike on a wildlife spotter's paradise along the coastal paths to Flamborough Head. Will she get full marks to win this week’s walks?

The week's walks take place on the magical Isle of Skye. First up is comedian Bruce, who’s walking back in time to Dunvegan Castle and the breathtaking Coral Beach. But will he be the winner?

In the second Skye walk, student Sorley hosts a challenging hike around Loch Coruisk. But will the tricky terrain and changeable weather prove one step too far for the others?

Champion powerlifter Fiona tests the group's mettle with a challenging north Skye hike to Rubha Hunish. Will epic cliff-top views and a knee-trembling scramble down bag her the prize?

Skye native Rhona takes the group off the tourist track to Ashaig beach, one of the island's hidden gems. But will her idea of a treat leave a bad taste in their mouths?

The week's final walk is a mountain hike through Glen Sligachan. But as the boggy terrain is full of midges, will it prove trouble in paradise for mischievous musician Innes?

The week's walks take place in north west Wales. First up is mum of two Laura, who is convinced her heartfelt hike is the winner. But will the other walkers agree?

In the second hike in north west Wales, binman Gareth leads the group around Bala Lake. But will the stunning views and strongman games be enough to put him at the top of the table?

Police officer Mike from Rhyl takes the group on a stunning three-lake walk in Snowdonia. But will his day of revelations and incredible views convince them his walk’s the winner?

Te fourth walk is hosted by fitness fanatic Zara, who takes the group up, and down, the Great Orme. Will her adventure-packed hike put her one step ahead?

Former make-up artist Piers hosts the last hike in north west Wales as he treats the group to a seaside extravaganza. But will it be enough for him to win the week’s walks?