Sports Heartbreak Hill: The Thrill & The Agony At The 2015 Boston Marathon April 20, 2015 / 2:17 PM EDT / CBS News (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston) Boston Marathon 2015 at Heartbreak Hill (Photo by Andrew Celani/CBS Boston)
