Dates and times are subject to change by organizers. Please visit the organizers’ website for the latest information.

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Waltham Trail Runners

Events for Saturday, Sep 26, 2026

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Cancelled: Charles River cleanup to celebrate National Public Lands Day

Shaw's supermarket 130 River St., Waltham

UPDATE: Unfortunately, we are canceling this event due to the incoming Nor'easter. Celebrate National Public Lands Day, when people all over the country give trails and parks some TLC, by picking up litter along the Charles River. Lead organizer Waltham Land Trust will provide trash bags, gloves and snacks. Bring re-usable water bottles and work […]

Free