Cancer Research UK has asked 250,000 supporters to sponsor Edwards. If the appeal tops £1.13 million, he will enter the Guinness Records as "the most sponsored person in a running event". Six days before the race, the amount pledged was over half way.
Meanwhile, Michael Watson, the boxer who almost died 12 years ago in a world championship fight against Chris Eubank, aims to complete the course in six days for the Brain and Spine Foundation.
Shelter's attempts to deck its runners out in distinctive red has run into problems because of a national shortage of red hair spray and wigs following Comic Relief's Red Nose Day.
- See Campaign Watch, p6.