In the company of Heather Fell, Dave and Tobias create a 'Micro Ten Tors' challenge of their own - despite the fog and wind doing it's best to thwart their plans.
On their 8th National Park in 8 days, Tobias and Dave explore the Yorkshire Dales by doing a Micro Three Peaks challenge by road bike.
An idea born in the pub - a trail running sea to summit challenge from Hurlstone Point to Dunkery Beacon, the highest point in Exmoor.
600m of ascent, the Gap, epic views and death defying descents all led themselves to an awesome day of mountain biking in the Brecon Beacons - Tobias and Dave's 11th National Park in as many days.
Tobias loses track of time whilst running around the Pembrokeshire Coast National Trail on Day 10 of their Great British MINI Adventure around all 15 National Parks.
Dave and Tobias tackle a unique bike and run challenge up Cairngorm Mountain on the fifth day of their National Parks MINI Adventure
On our seventh national park in seven days, we visit the Lake District and do a spot of paddling on Windermere to prove that Cumbria is still open for business.
Tobias and Dave explore the West Highland Way, Scotland's premier National Trail and one that passes through much of Loch Lomond and the Trossachs National Park.
On Day 9 of their Great British MINI Adventure, Dave and Tobias explore the trail running utopia of Coed y Brenin forest in Snowdonia National Park. Despite the downpour, they had the time of their lives.