Centurion Running organise 50 and 100 mile trail ultras across the South East with events such as the South Downs Way 100 and Thames Path 100 now entering their 10th year as well as more specialists events such as the Track 100 and the Piece of String Fun Run. They also have an online ultra store and an online coaching team of five, who help runners of all abilities achieve their targets across all distances, terrains and environments.