Jim Braude is the co-host of Boston Public Radio. He has worked with co-host Margery Eagan for 18 years, first doing a TV show together at NECN then a radio show at WTKK. The duo came to WGBH in 2013.

Produced in cooperation with the Boston Athletic Association®, which granted NOVA unprecedented access to the 111th Boston Marathon®, and Tufts University, "Marathon Challenge" takes viewers on ...