Ultra Marathons clock in at around 56 miles and are amongst the toughest sporting events on the planet.
Join sports tours international in South Africa for two of the best known Ultra marathons, the two oceans marathon and the Comrades marathon. Both events are landmarks in the endurance running calendar.
Struggling with your Spring marathon training?
If the answer is yes then this might make you feel better. We dusted off this article from The Telegraph to reassure you that you're not alone - bit.ly/2IiI82Fpic.twitter.com/DlL3GbvhlV