7 valleys ultra

In the heart of the Alps, JOE MACKIE upskills his trail technique and tastes the best of the Tour du Mont Blanc

When a race follows the route of the world’s longest downhill ski race – in reverse – you know the spectacular views will be hard-earned. Duncan Craig tackles the Alps’ fabled Inferno Half Marathon

You don’t have to board a plane to take your running to wild and wonderful places – from big days out to long weekends and epic, once-in-a-lifetime experiences, here’s our guide to the UK’s very best running adventures

Gird your loins for a tough, steep, pathless ascent, but then settle in for a straightforward Lakeland round.

Tennessee’s infamous Barkley Marathons race is notoriously tough – but 20 people have completed it. Gloucestershire’s equally brutal homage to the iconic ultra has zero finishers... so far. Our writer lined up with those attempting to be the first

• Distance: 8 miles/12.7km • Time: 4½ ...