A BRENTWOOD School student impressed on her national debut in front of well established British athletics stars.

Nicole McKechnie, 17, ran a personal best time of 56.84 seconds in her heat of the 400m at the Sainsbury's British Athletics Indoor Championships in Sheffield on Saturday.

Among those lining up alongsie Nicole was Margaret Adeoye who went onto win the final and secure a place in Team GB's squad for the World Indoor Championships in Poland next month.