France's ruling Socialist party looks set to retain control of Paris as their candidate, Anne Hidalgo becomes the city's first female mayor.
President Francois Hollande's party is heading for a big defeat in local elections as the centre-right UMP claims victory. The far-right Front Nationale party of Marine Le Pen are also tipped to make several gains.
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Armed police were out in force as runners competed in the largest public event in the city since Monday's terror attack.
Taliesin Myrddin Namkai Meche, 23, was stabbed along with Rick Best, 53, when they tried to stop a racist attack on two Muslim girls.
The shadow home secretary, 63, said she worked in the Home Office for nearly three years when she was a trainee.