The Gate River Run (GRR), formerly known as the Jacksonville River Run, is an annual 15-kilometre (9.3 mi) road running event in Jacksonville, Florida, United States, that attracts both competitive and recreational runners. It has functioned as the US National Championship 15K since 1994, and in 2007 became the largest 15K race in the country. It "was voted [as] one of the top US Road Races for last 20 years by Runner's World Magazine." Local news media describe it as "one of Jacksonville's premiere annual events." The course crosses two major bridges spanning the St. Johns River, giving the race its name.

Gate River Run

All Ages Marathon Race