About Us

Sean Coster is a running coach and exercise physiologist in Portland, OR. Sean coaches recreational runners aiming for personal bests and elite competitors working toward national class performances. Research interests lie with blood lactate dynamics and evaluation of lactate threshold by field testing. Sean is a member of the coaching staff of the Bowerman A.C. for the Nike Sports center in Beaverton, OR and a coach and co-founder of Run Portland www.runportland.org. Sean’s coaching advice has been seen in Runners World, Competitor Magazine and Race Center Northwest. In addition to graduate studies in exercise physiology he has achieved level I coaching certification from USATF and accreditation with the Road Runners Club of America.