Scenes From The Wellesley Start Of The Pan-Mass Challenge

Riders leave Babson College campus for the first leg of the PMC. (Abby Elizabeth Conway for WBUR)
Riders leave Babson College campus for the first leg of the PMC. (Abby Elizabeth Conway for WBUR)

The 33rd annual Pan-Mass Challenge started early Saturday morning in Sturbridge and Wellesley. The longest route, stretching 192 miles from from Sturbridge to Provincetown, will take riders two days to complete.

In all, over 5,000 people will ride one of the 11 routes this weekend, raising an estimated $36 million for the Dana-Farber Cancer Institute. In Wellesley, 2,144 riders began their trip at 7 a.m. Saturday amid rising heat and humidity.

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Riders began lining up based on how they wanted to take the course. (Abby Elizabeth Conway for WBUR)(Abby Elizabeth Conway for WBUR)David Ortiz joined PMC officials to help send off the riders. (Abby Elizabeth Conway for WBUR)Andrew Garland sang the National Anthem just before the start. (Abby Elizabeth Conway for WBUR)Riders head for the starting line. (Abby Elizabeth Conway for WBUR)(Abby Elizabeth Conway for WBUR)The sun was already beating down as riders made their way across the starting line. (Abby Elizabeth Conway for WBUR)(Abby Elizabeth Conway for WBUR)Riders leave Babson College campus for the first leg of the PMC. (Abby Elizabeth Conway for WBUR)

More from the along the route: