His third Iron distance triathlon that season, Tobias took part in the inaugural Challenge Henley-upon-Thames
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.
On Saturday 2nd May, HardasTrails contributor and avid cyclist, Rachel Pye, will be heading up to Yorkshire for what might become one...
Rachel Pye gives us the low down on the 2015 Tour De Yorkshire ride - a 140km slog around the Yorkshire Dales.
A beautiful 150 mile road ride from the mountainous Western Lake District, through numerous national parks, before finishing in Whitby.
For their penultimate National Park, Dave and Tobias tried their hand at Strava Art by designing their own 'New Forest Pony' trail route.
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.
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.
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.
We head to Exmoor National Park to compete in one of Britain's most quirky, yet savage events - the Red Bull Steeplechase.
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.
On Day 3 of their National park Adventure, Dave and Tobias tackle the Paradise Trail at Sutton Bank in the North York Moors National park.
Jez Stain tested his MTB skills at the Summer Monkey Mountain Bike Endurance Race and discovered he's not quite as fit as he'd like to be.
On the fourth day of their National Parks MINI Adventure, Dave and Tobias explore the Cheviot Hills in the Northumberland National Park. This extraordinary landscape is home to hundreds of Iron-Age hillforts - a few of which Tobias discovered on foot whilst running in-between them.
For their final National Park, the South Downs, Dave and Tobias had a go at geocaching - a cross between treasure hunting and orienteering. It turned out to be a lot of fun.