The year 2005 signalled a fresh start for Bolt in the form of a new coach, Glen Mills, and a new attitude toward athletics. Mills recognised Bolt's potential and aimed to cease what he considered an unprofessional approach to the sport. Bolt began training with Mills in preparation for the upcoming athletics season, partnering with more seasoned sprinters such as Kim Collins and Dwain Chambers. The year began well, and in July, he knocked more than a third of a second off the 200 m CAC Championship record with a run of 20.03 s, then registered his 200 m season's best at London's Crystal Palace, running in 19.99 s.