DUNBAR sprinting sensation Maria Lyle has broken her own world record over 200 metres.

The 15-year-old, who has cerebral palsy, posted a time of 30.53 seconds in the T35 200m at the IPC Athletics Grand Prix in Dubai on Wednesday, beating her own world record time of 30.71 seconds.

She took to social media after her world record time, posting on Twitter: "Very happy with today's 200m! A new world record is amazing!"