Mo Farah wasn't the only Londoner to take home a victory at today's event - Christine Ohuruogu from Newham also won the four hundred metres.
She ran the race in just over fifty seconds, the fastest she has ever run outside a major championships.
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Before the final declaration on Friday, the Conservative candidate looked set to lose the City Hall race to Labour's Sadiq Khan.
The Tooting MP has been the frontrunner in the counting process ahead of Tory challenger Zac Goldsmith.
It's not just London where elections have been taking place today. There were council elections taking place across the home counties.