Competitor bio:

Jill Jamieson is the founder of “Memory Joggers”, a social running and adventure group dedicated to raising money and awareness to fight Alzheimer’s disease. With the motto “racing to the ends of the earth to beat Alzheimer’s disease”, she is running the World Marathon Challenge to beat Alzheimer’s and dementia by supporting the Alzheimer’s Association. Although she does not consider herself a runner, her enthusiasm has carried her across the finish line of countless marathons and ultramarathons across the globe (she really doesn’t count them but estimates the total to date to be somewhere between 25-30). When not running, Jill serves as the CEO of a global advisory firm headquartered in Washington, D.C. She has lived and worked in over 40 countries and is an extreme sport fanatic.