the big-time thanks to popular trail series. There’s plenty of opportunity to pit yourself against vertiginous mountain trails, but if you fancy easing into the world of trail running gently, don’t fear - many modern trail courses also loop through
GETTY IMAGES You've followed your training schedule to the letter, successfully dodged injury and illness in the run-up to the big day and all of a sudden you're lining up at the start. Get your head
