Sunday is Race for Life day for hundreds of charity fund raisers in Horsham Park.
Many have had June 5 in their diary for months as they have trained to raise money for Cancer Research UK.
And this year organisers are hoping their generosity will smash the £100,000 barrier.
The non-competitive run starts at 11am and entry is £14.99 for women over 16, while girls aged six to 15 and boys under 12 pay £10. Children under six go free and do not have to register.
One in two people in the UK will be diagnosed with cancer at some stage in their lives, but the good news is more people are surviving the disease now than ever before. Survival rates have doubled since the early 1970s.
The Race for Life supporters across the nation raise millions of pounds every year nationally to help beat cancer sooner by funding life-saving research.
Last year 1,300 women took part in Race for Life in Horsham and raised £90,000. This year organisers say they would would like to see 1,500 women and girls stride out to help raise a target of £100,000.
Money raised through Race for Life allows Cancer Research UK’s doctors, nurses and scientists to advance research which is helping to save the lives of men, women and children across Sussex.