Princess Beatrice, who took part in the run, said being among the first to cross the Olympic finish line was an extraordinary moment in what should be "a memorable year for the nation".
Men's winner Tommy Davies said winning the race was fantastic. "This is a once in a lifetime thing," he said.
More top news
Slightly cooler temperatures will replace the recent muggy weather while some areas will see heavy rain.
Andre Greipel won the final stage of the 2016 Tour de France as Chris Froome crossed the line arm-in-arm with his Team Sky team-mates
An attacker armed with a machete killed a woman and wounded two others in the southern German city, according to reports.