The 5th Annual Loudoun Lyme 5K/1K will drive awareness and raise money to help find a cure for Lyme disease - the number one tick-borne illness in the United States. The Loudoun Lyme 5K will also feature a 1K fun run, new 10K, children's activities as well as an information fair to educate the public about Lyme disease, its causes, symptoms and treatments.