Letchworth GP Sue Graham will be cycling 205-miles from dawn till dusk, in memory of her nephew Peter Woodmansey, who sadly died from sepsis following a leukaemia diagnosis - Credit: Sue Graham A Letchworth-based GP has been training hard ahead of the Chase the Sun cycle challenge, which will see her ride from dawn until dusk. Birchwood Surgery GP Sue Graham will be chasing the sun to raise money for Leukaemia UK - Credit: Sue Graham Sue Graham will take on the 205-mile challenge in memory of her nephew Peter Woodmansey, who died aged 17 from sepsis - three weeks after his leukaemia diagnosis.