Highlights of Eddie Izzard's ultimate human endurance challenge for Sport Relief, running 43 marathons in 51 days around the UK.

Eddie Izzard runs 43 marathons in 51 days to raise money for Sport Relief. Setting off from Glasgow, Eddie is on a tight schedule to get to the finish line in London on time.

Eddie Izzard has already completed ten marathons in 11 days for Sport Relief but is still less than a quarter of the way round. With 33 marathons left he has painful blisters.

Eddie Izzard runs 43 marathons in 51 days to raise money for Sport Relief. Just three days into his run his body begins to crumble and only fierce determination carries him on.