Complex sentence: In October 2015, Armstrong and regular co-driver Paula Swinscoe were crowned the 2015 Scottish Rally champions after two wins and three second places in their Subaru Impreza.
Split into simpler sentences: In October 2015, Armstrong and regular co-driver Paula Swinscoe were crowned the 2015 Scottish Rally champions. By the end of the season they had achieved two wins and three second places in their Subaru Impreza.