The TTP Cambridge Half Marathon returns on Sunday, 3 March with a new route. The run, which 16,500 entrants have signed up for, will now go through Trinity and St John’s colleges, as well as those already on the route: Jesus and King’s colleges. The additions to the 13.1 mile-long route mean runners will pass the Bridge of Sighs and the Wren Library. The course will retain its path through the city centre. There are 60 charities set to benefit from this year’s event, and more than £800,000 is expected to be raised. The event sold out in three weeks and the majority of places for charity fundra…