Complex sentence: Throughout the course the competitors must navigate banked turns, rollers and kickers all whilst avoiding collisions with fellow competitors, with speeds in excess of 50mph/80kph this is an exciting and dangerous event.
Split into simpler sentences: Throughout the course the competitors must navigate banked turns, rollers and kickers all whilst avoiding collisions with fellow competitors. With speeds in excess of 50mph/80kph this is an exciting and dangerous event.