Wayland Patch 8/1/14: Lots of Wayland Cyclists Join Pan-Mass Challenge This Weekend. On Aug. 2 and 3, local residents participate in the 35th annual Pan-Mass Challenge (PMC), the largest single athletic fundraising event in the country. They are among 5,800 cyclists who will ride with the collective goal of raising $40 million to support adult and pediatric patient care and cancer research at Dana-Farber Cancer Institute through the Jimmy Fund. Among the thousands of cyclists are more than 60 from Wayland.