Series Details


series results

directions & Course map


The 20th Annual Marathon Sports "Lets Run, Have Some Fun & Be Fit" Series is a 5Km race summer series that takes place on Thursday nights around the Charles River.

2019 registration is now closed.

May 30, 2019

June 27, 2019

July 25, 2019

August 29, 2019

September 12, 2019

All Races Start at American Legion Marsh Post #442, 5 Greenough Blvd, Cambridge, MA

we now use B-Tag Chip Timing

Sponsored by:

At Athletic Brewing we're out to make great-tasting non-alcoholic craft beer for today's healthy and active adults. Modern adults are much more mindful of their consumption, and we offer certified organic, all-natural, and low-calorie (50-70 calories) beers that meet all occasions. We craft all our beers in our Stratford, CT brewery, the first of its kind dedicated entirely to non-alcoholic beer. We plan to revolutionize a corner of the store that hasn't changed in decades with our multiple award-winning beers.

For regular updates from the Race Director