Raising money for takeaway meals for nhs staff

My name is Charlie, I'm 15 years old,I've   decided to raise some money to buy meals for the staff of the NHS. In return for your donations, I am going to be running 10k on the 17th May. I'm doing this to give a little back to the NHS because I'm type 1 diabetic, diagnosed when I was 2 years old,  and they have helped me over the years and now I can pay them back a little. I'm not a runner and I've never run more than 5k. So this will be a challenge for me. Please give what you can, every penny helps to these deserving heros.