Complex sentence: After years of sports competing on the continent, competition organisers announced the launch of the Abarth 500 GB series for 2010, a new high-profile sponsored race series, staged at Oulton Park, Cheshire, on 3--5 April 2010.
Split into simpler sentences: After years of sports competing on the continent, competition organisers announced the launch of a new Abarth 500 GB series for 2010. The competition was to represent a new high profile sponsored race series, which was staged at Oulton Park, Cheshire, on 3--5 April 2010.