UAN:194 Article type:Every year, thousands of people make a resolution to start running. Maybe you’re one of them. Maybe that’s how you got started 10 years ago. But if you’re already a runner, what will you resolve to do for the year ahead

If you're running a marathon this spring, you're about to enter the most critical – and difficult – four weeks of training, when 1) your weekly mileage is at its peak; 2) your motivation may be flagging; and 3) you're most likely to get sidelined

inspired the trend in 1954 with epic sessions like 10 x 200 metres followed by 50 x 400 metres – a combined 13.67 miles of speedwork. Ambitious runners the world over have aspired to that imposing standard ever since, in a quest for that elusive PB