Kevin Sinfield to run seven ultramarathons in his fourth challenge to support of Rob Burrow and motor neurone disease charities

Sinfield will now push his body to the limit again next month with runs of more than 27 miles in Leeds, Cardiff, Birmingham, Edinburgh, Dublin, Brighton and London.
Source: Daily Mail Rugby League
Kevin Sinfield to run seven ultramarathons in his fourth challenge to support of Rob Burrow and motor neurone disease charities