CYCLISTS are warming up for the largest and toughest event of its kind in the Chilterns.

The Chiltern 100 Cycling Sportives, taking place on June 1 and starting at the Misbourne School in Great Missenden, incorporates three rides - the GranFondo (107 miles), the Medio Fondo (63miles) and the 50-mile Corto Fondo.

Entry is £15.

For application forms, visit chiltern-hundred.org.uk or amershamrcc.co.uk.