London Marathon Weather Forecast Predicts Race Could Be Hottest On Record

More than 40,000 runners will take to the streets of the capital today to run what is set to be the hottest London Marathon on record.The mercury could soar as high as 23C on Sunday for the 38th edition of the race.Although the Met Office predicted rain in the afternoon, the morning, when runners will set off, is when temperatures are set to peak.Runners have been advised to drop their goal-times and organisers have added more ice, water and run-through shower stations along the 26.2-mile course