In this special edition of RunCenter presented by adidas, Toni Reavis and Mario Fraioli analyze this year's unforgettable races at the Boston Marathon.
Toni Reavis brings you the latest from an action-packed weekend in Beantown!
It's Friday before the world's oldest marathon and Toni Reavis is bringing you the latest from Boston!
We look ahead to Arizona and check in on the Kara Goucher vs. Mario Fraioli rivalry. RunCenter starts now!