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.

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?

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?

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 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.

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?

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?

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?

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?

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?

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?

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?

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?

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?

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?