12 Hours of Lawrence Woods
Medford, United States • 18 Jul 2026
12 Hours of Lawrence Woods : Medford, MA
The 12 Hours of Lawrence Woods is a timed running event held on July 18, 2026, in Lawrence Woods within the Middlesex Fells Reservation near Ramshead Rd in Medford, MA. The format is a 12 hour continuous event on a single loop course of roughly four miles that does not cross over itself; the loop shares an intersection where runners turn in opposite directions.
Parking is available in the nearby high school lot. The start, finish and aid station are located in the woods about a quarter mile from that lot; signs and a course map will mark the route. Aid is described as very minimal and will include water, some candy, and a sugary drink. Participants are advised to bring a bag and a chair to set up a personal station near the course.
A Strava route for the course is available. The event lists a registration deadline of July 17 at 11:59 PM ET and includes volunteer opportunities. The description notes room for individuals to set up their own spots near the aid area and that the course layout keeps runner traffic on a single loop. Visit the organization's website for the most recent information.