Complex sentence: Beauregard later ran as an independent candidate for city council against Pierre Bourque in the 2005 municipal election; she finished third, following a campaign that she described as the nastiest of her career.
Split into simpler sentences: Beauregard later ran as an independent candidate for city council against Bourque in the 2005 municipal election. She finished third, after a campaign that she described as the nastiest of her career.