cycle up, the vast majority will walk. To date, over 650,000 riders have taken part and have raised over £40 million for the British Heart Foundation. In recent years, the BHF have introduced a night ride and an off-road ride. These are on separate dates, and some competitors will ride all three routes in the same year. Challenge Cancer Bike Ride Challenge Cancer is a London to Brighton bike ride to raise funds for Macmillan Cancer Support, Cancer Research UK and Breast Cancer Now and Prostate Cancer UK, with each rider choosing which charity to support. Following a 67-mile route through Central London, over Tower Bridge, and south through Oval, Clapham, Balham, Mitcham, Wallington, Coulsdon, Caterham-on-the-hill, Outwood, Smallfield, Copthorne, Turners Hill, Burgess Hill, Ditchling Beacon and Brighton seafront before finishing at Brighton Racecourse. All roads were open to other traffic, and a vehicle fire on the Mile End Road delayed a number of riders. All participants were timed from start to finish line. The published results (which included time spent a rest stops) indicated that nearly 1000 riders took part Challenge Cancer 2015 was a fund-raising bike ride in the United Kingdom organised by Macmillan Cancer Support, Breakthrough Breast Cancer, Cancer Research UK and Prostate Cancer UK. It expands on the inaugural event of the previous year by adding a second route between Manchester and Leeds. Both routes are described as 60 miles long. A 120-mile "there and back" option is also available on both routes. Running events An ultramarathon running race used to take this route each October, starting on Westminster Bridge in the centre of London, and finishing at The Level in Brighton. This is a distance of 54 miles, 198 yards (87.085 km). The race was organised by the Road Runners Club from 1951 to 2005. However, the course had been raced over at least since the early 19th century, and regularly since 1899. In its later years the race was low-key with just over one hundred runners taking part. The fastest would finish in well under 6 hours, whilst there was a time limit of 10 hours after which the course was not marshalled. The race was discontinued after 2005 because of increasing road traffic and difficulties in finding sufficient marshals. In 2010 the ultra-running organisation Extreme Running staged an off-road London to Brighton Trail Race from Blackheath in London to Brighton sea front (56 miles).