The 129th Boston Marathon was one for the history books: sunny weather, electric crowds, and more than 30,000 runners racing from Hopkinton to Copley. Among them was Ana Yanez of Denver, Colorado, who turned heads and warmed hearts as she crossed the finish line at 18 weeks pregnant.

When Danielle and John Groendyk started running at a young age, they quickly learned the history and significance of the Boston Marathon. It was the place that celebrated running the most - and they wanted to be a part of it.

The Boston Marathon had about the same number of no-shows as last year, dispelling concerns that international runners would skip the race in the face of increased U.S. border scrutiny

John Korir arrived in Hopkinton hoping to join his brother as a Boston Marathon champion. Korir said he will donate the prize money from his Boston victory to the Transcend Talent Academy, which provides an education for aspiring runners who can't afford one.

The Boston Marathon featured a record time and a historic family first on the 250th anniversary of the first shots fired in the American Revolution.

Six months after claiming the top spot on the podium at the Chicago Marathon, John Korir toed the start line of his third Boston Marathon feeling good about his chances