Tired of Running in Circles?
Knowwheretorun.com is the premier marathon calendar, which started by listing over 200 marathon races in 2008 - 2009. We are growing and updating on a daily basis. And have over 1,300 Races.
The Online Marathon Calendar includes the basic events, time, date, location of marathons, half-marathons, 5K and 10K races, along with any other accompanying race distances.
Runners can search for marathons by location, month, or race distance. You can click the race distance in the boxes above, or the months below. For US races, click the state on the map below to view races in that state.