Complex sentence: Athlone Regional Sports Centre is a facility (established May 2002) developed by the Town Council, this facility has a swimming pool, gym and AstroTurf pitches.
Split into simpler sentences: Athlone Regional Sports Centre is a sports facility within the town, which was established May 2002 and developed by the Town Council. The facility contains a swimming pool, gym, and AstroTurf pitches.