The result of the election – held on 4 May – was a foregone conclusion: Dobson, who it was alleged, had been pressured into running by the party leadership, unsuccessfully based his campaign on claims that Livingstone was an egomaniac, and the Conservatives remained becalmed after their catastrophic national defeat in 1997. Livingstone came out ahead in the first round of balloting with 38% of first-preference votes to Conservative Steven Norris's 27%; Dobson finished third, with 13% of all first-preference votes – just ahead of Liberal Democrat Susan Kramer, with 12%. Under the modified instant-runoff voting system employed for the election, only the votes cast for Livingstone and Norris were considered in the second round, where Livingstone won with 58% of first- and second-preference votes, versus 42% for Norris.