For the half marathon course at Bristol’s early fall New Hampshire Marathon, runners start at the mid-way point of the full marathon route, just west of the Sculptured Rocks Geologic Site near Groton, a small town about 13 miles to the northeast of Bristol, near the northern end of Newfound Lake. From there, they follow the second half of the 26.2-mile route all the way south back into Bristol, along a gradual downhill descent on Groton Road, West Shore Road and Lake Road back to the finish line at Kelley Park.
Note: The course map above provides the approximate route for the race. Though every effort has been made to ensure its accuracy, changes are sometimes made to race routes due to weather conditions, road closures or other circumstances that can require a course to be changed. If you see an error above, contact us here.