Complex sentence: He ultimately resigned from the Greens on 8 February 2006 and ran in the 2006 election as an Independent and won, before losing at the 2010 election despite receiving a swing, due to narrowly finishing third after all non-major party preferences had been distributed.
Split into simpler sentences: He ultimately resigned from the Greens on 8 February 2006 and ran in the 2006 election as an independent and won. He lost at the 2010 election despite receiving a swing, due to finishing third by a narrow margin after all non-major party preferences had been distributed.