The Comrades Marathon is the world's oldest and largest ultra marathon, it's run over a distance of approximately 90 km / 56.1 miles between the capital of the Kwazulu-Natal Province of South Africa, Pietermaritzburg, and the coastal city of Durban. Martin Connell made the 12,000 mile round trip to compete and despite calf problems finished the course in 10:46:16. Martin described the race as "Very inspiring". Read Martin's race report here.