More than 36,000 people have been taking part in the 30th London Marathon to raise money for countless charities.
Runners prepared for their 26.2-mile slog under the watchful eyes of some giant inflatable creatures.
Water sprinklers provided a welcome relief for runners.
The force was strong as a light-sabre bearing runner dressed as Darth Vader passed the University of Greenwich.
Virgin founder Richard Branson winged his way through London at the head of a giant 'human caterpillar'. He was supported by his son Sam and daughter Holly at the front of the line.
Another famous face forming part of the caterpillar was Princess Beatrice - who was crowned the first ever Royal to complete the course.
Onlookers were treated to the sight of a giant bottle of ale wobbling over Tower Bridge.
Russian Liliya Shobukhova was the fastest woman, with her compatriot Inga Abitova in second place.
Ethiopian Tsegaye Kebede was the first man over the finishing line against the backdrop of Buckingham Palace.
Canada's Josh Cassidy sped past Buckingham Palace en route to winning the men's wheelchair race.
A competitor stretched his tired muscles after crossing the finish line.
A medal awaited those hardy souls who made it all the way to the end.
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