However, those runners who have the patience to develop speed for shorter distances will realise even greater benefits when they decide to take the step up the marathon. Building speed before endurance is always the best method of enhancing long-term performance. This article will give you a taste of speed training as it includes an eight-week training program designed to develop your running so you can complete a 10k race in your desired time. The program assumes a basic level of fitness, allowing you to complete the first week relatively comfortably. If you feel as though you might.