doing great north run for asthma uk

hello i am going to run the great north run in october as i have lost 3 stone in weight and i want to overcome my asthma and try to complete the race but i need to raise 300 pound for asthma uk any donations to my fundraising would be helpful i have receved my fundraising pack and a top to run in.i have a fundraising page at justgiving.com/jasonkaill

hope anyone can help