This year’s London Marathon runners battled sweltering conditions as the race recorded its hottest ever temperatures.
Here, Sky News correspondent Enda Brady describes the physical toll of the event which once dealt him “the worst physical experience” of his life.
Running any marathon is a massive test of endurance but when it gets as hot as it did in London on Sunday, the physical challenge simply becomes immense.
After months of training during the winter, runners were confronted with record temperatures and many were left cursing the weather gods for their terrible timing.
Read more at https://news.sky.com/story/even-sir-mo-farah-struggled-the-immense-challenge-of-this-years-london-marathon-11343942