The elevation game

Wildly fluctuating temperatures, punishing verticality, brushes with mountain lions – the Grand Canyon’s Rim to Rim to Rim endurance run is not for the faint-hearted. Duncan Craig takes on the ‘big red ditch’

Take Alpe d’Huez, add three hairpins and two per cent to the gradient, and what you’ve got is the one of the toughest but least known climbs in Spain. Mont Caro, in the Terres de L’Ebre region of Cata

Length: 21.3km Elevation gain: 1,142m Average gradient: 5% Maximum gradient: 12% The Colle del Nivolet in north-west Italy is the most beautiful mountain road in the world. Fact. But that’s not the on

In the Catalan Pyrenees, everything is bigger. This larger-than-life landscape, 200km north of the soft sands of the Mediterranean coast, is where Catalonia’s colossal peaks mark the region’s borders

Sometimes you have to do things that scare you. At least, that’s what I kept telling myself ahead of the Dartmoor Discovery, a 32-mile, 899-yard ultramarathon with more than 4,000ft of elevation. And

If the lure of foreign climes and overseas trails are calling, take note of these essential tips from trail runners who’ve gone before