It's been a rocky journey, but David Willey has finally reached the starting line of the biggest race of his life. (:26)This episode is brought to you by Harrys. Get the close, comfortable shave you deserve. Sign up at Harrys.com/run, and you’ll receive their most popular Trial Set—a $13 value—for FREE, you just cover the shipping.Episode Credits: Host: Kit FoxProducers: Sylvia Ryerson, Christine Fennessy and Cindy Kuzma.The Runner's World Show is a proud part of Panoply.Check out our show page here. Follow us on Twitter (@rwaudio) and Facebook (Runner's World Audio).Learn more about your ad choices. Visit podcastchoices.com/adchoices