In Ilfracombe, Devon, outspoken taxi driver Helen takes the contestants on a cultural tour of Ilfracombe's coast. But what will the others make of Helen's hike and her no-filter delivery?
In the second Devon hike, teaching assistant Julian explores the healing power of nature in Lynmouth. But will the group be laughing in the aisles or running for the hills?
Farmer Rosie hopes to take the lead with her farming and country life hike along the Devon coast near Teignmouth. But could it end in a walkout?
Today's Devon hike is hosted by former deputy mayor Chaz, who serves up snow flurries and a spicy picnic on Dartmoor. But will his hosting skills leave them out in the cold?
B&B owner Colin hosts the last Devon hike on a woodland trail from Greenway to historic Dartmouth. Will his taste of traditional Devon win over the walkers to claim top prize?
We're in Northumbria, where comedian Stephanie is hoping her hike to Hadrian's Wall will net her the top prize. But will her ‘mucky mixture' picnic prove too much for the others?
Student Jasmine leads a seaside stroll along Whitley Bay. But will the weather and selfie school make it thumbs up or down from the other walkers?
Marketing assistant Angus guides the group on a fashion-themed hike around Harbottle. But will his cordon bleu picnic hit the spot with the picky eaters?
Life coach Teresa hosts a wild walk in Kielder Forest. Will her traditional Northumbrian picnic and a-mazing activities find her in pole position by the end?
In the final walk of the week, civil servant Paul hosts his hike along the stunning Alnwick coast with a taste of traditional Northumbria. But will it be enough to scoop the prize?
We're in the stunning Highlands and Islands of Scotland. First to go is army cadet trainer Daisy, who plans to march the recruits up one of Scotland's most iconic mountains.
For our second Highlands and Islands walk, opera singer Tony leads a musical hike along Cromarty's coastal path. But will the walkers be singing his praises at the end of the day?
We're in the Highlands and Islands of Scotland, where part-time mermaid Katrina is leading the group on a hike around Loch Long. But will her watery walk win her the prize?
In the Highlands and Islands of Scotland, biscuit taster Cathy leads a walk with a taste of tradition. But will her hike from picture postcard Tobermory take the biscuit?
It's the Highlands and Islands finale, where amputee football player Rob is hoping his hike around the famous Glenfinnan Viaduct will work its magic to win.
The week's walks begin in glorious Yorkshire, known for its heather moorland, rolling rugged hills, mystical abbeys, puffins and pudding.
34-year-old children's storyteller Ilaria takes the group to Yorkshire's famous Ilkley Moor. Its heather moorlands and abundant wildlife have made it a spot of special scientific interest and a firm favourite with walkers and climbers.
40-year-old mum and butcher's assistant Natalie from Richmondshire takes charge. She's planned a seaside stroll to one of the most famous spots on Yorkshire's stunning coastline, Robin Hood's Bay. Steeped in history, with stunning sandy beaches and picturesque cobbled streets, it's renowned as a top destination for walkers.
73-year-old free-spirited retired psychiatric nurse Edwin leads the other walkers on a historic hike. He discovered a taste for adventure later in life, so he's got a few surprises planned to keep his fellow walkers on their toes - kicking off with a nerve-wracking abseil to give them a bird's-eye view of his starting point at Brimham Rocks.
It's the final day of the Yorkshire walks, and last to go is 72-year-old retired teacher and mature model Annie. Her 5km hike to Flamborough Head on the North Yorkshire coast is a wildlife spotter's paradise, home to huge numbers of nesting seabirds and breeding seals. And it boasts incredible views and historic gems.
The week's walks take place on the stunning Isle of Skye, Scotland's second biggest island. The misty isle is awash with ancient history and jaw-dropping scenery, drawing in 650,000 annual visitors who come to explore its dramatic landscapes. It's also a favourite with five willing walkers, all hoping their chosen hike will be voted the winning walk of the week.
20-year-old Gaelic student Sorley takes the group on 7km circular walk with the famous Cullin range as its spectacular backdrop. He guides the group on a challenging hike around Loch Coruisk, an inland freshwater loch at the foot of the Black Cullins.
It's 60-year-old Fiona's time to shine. She's a fitness instructor, runner, horse rider and now a champion powerlifter, and she tests the group's mettle with her challenging hike to beautiful Rubha Hunish, the northernmost point of the island.
Cafe owner, opera singer and Skye native Rhona hopes to win the prize with her 7km coastal walk from Waterloo to Ashaig. It crosses marshland and rivers and comes with breathtaking views of the Red Cullin mountains.
Mischievous musician Innes's 8km mountain walk starts with a climb over the lower ridges of Bruach na Frithe in the Cullin range, before following a meandering river with its myriad pools through the Glen of Sligachan.
The week's walks take place in stunning north west Wales. Four million people visit the region each year to enjoy its beautiful lakes and coastlines, as well as the challenging Snowdonia mountain range. With 15 peaks all topping 3000 feet, it’s one of the most popular hiking destinations in Britain. It’s also a favourite of five hiking fanatics, all hoping to prove their chosen route is the most beautiful - and to claim the prize. First to lead the walks is 30-year-old mum of two Laura. She guides the group on a walk up to Cwm Idwal, the location of Wales’s first national nature reserve. As well as incredible views, this heartfelt walk includes wild swimming and homemade brownies. But will it be enough to convince the others that Laura’s walk is the best?
The second hike in north west Wales is hosted by 32-year-old binman Gareth. He takes the group to where he lives with his family, next to the beautiful Bala Lake in Snowdonia National Park. But will his facts and legends - not to mention his strongman competition and smoky sausage - leave him flexing his muscles at the top of the scoreboard? Or will he be tapping out of the competition?
Forty-year-old police officer Mike from Rhyl is in charge of the third hike. His walk starts at the famous Pen-y-Pass. He leads the group up the Miner’s Track and past the picturesque lakes of Llyn Teyrn and Llyn Llydaw as they head over to the ruined copper mine buildings of Britannia Copper Mine. They then climb up the steps to the third and final lake, Glaslyn, to catch a glimpse of the Snowdon (Yr Wyddfa) itself. He also reveals a pivotal moment in his life that changed everything and led him into his current profession. But will he win the others over, or will the rain come and stop play for this competitor?
Fifty-one-year-old fitness and body coach Zara takes the group on a hike across Llandudno’s Great Orme. They climb the hillside to reach the summit, past the historic Great Orme tramway. From there, it’s a quick descent down to the west shore, taking in a gorgeous 360 degrees of the north Wales coastline. As well as jaw-dropping views, Zara hopes her fitness-filled Great Orme walk - topped off with a spot of paddleboarding for good measure - will be a sure-fire slam dunk with the rest of the group. But could it be one challenge too far for the others?
It’s the final day of the north west Wales walks. Last to lead is 55-year-old Piers, who lives in Llandudno. His creative, fun-filled walk starts at Nefyn beach, where the walkers trace the coastline along sandy beaches and lush headlands. They visit three bays, passing historic brickwork ruins and shipbuilding sites before reaching the final stop at Ty Coch. He also indulges the walkers in some South African cuisine and puts their drawing skills to the test, as well as treating them to a Welsh male choir serenade to round off the day. At the end of the day, will he woo his fellow walkers and be crowned king of the walks?
