If you’ve ever hit the dreaded “wall” in a long run or race you know just how important fuelling is. Or perhaps you have heard of “the wall” and you want to stay away from it. The marathon isn’t just a test of fitness, it’s a test of how well you can manage your body’s energy supply. Get your nutrition right, and you set yourself up for a strong finish.

Whether you are celebrating a holiday this December or not, things tend to get a little out of synch in terms of routine at this time of year. Schools’ break-up for a few weeks, gyms often embrace amended timetables, friends and family travel the globe to spend time with loved ones… there are many variables.