A few marathons cross international and geographical borders. The Istanbul Marathon is the only marathon where participants run over two continents (Europe and Asia) during a single event. In the Detroit Free Press Marathon, participants cross the US/Canada border twice.Detroit Free Press Marathon . Freepmarathon.com. Retrieved 18 April 2013. The Niagara Falls International Marathon includes one international border crossing, via the Peace Bridge from Buffalo, New York, United States to Fort Erie, Ontario, Canada. In the , participants run through Germany, Switzerland and Austria.
A few marathons cross international and geographical borders. The Istanbul Ma,rathon is the only marathon where participants run over two continents (Europe and Asia) during a single event. In the Detroit Free Press Marathon, participants cross the US/Canada border twice.Detroit Free Press Marathon . Freepmarathon.com. Retrieved 18 April 2013. The Niagara Falls International Marathon includes one international border crossing via the Peace Bridge from Buffalo, New York, United States to Fort Erie, Ontario, Canada. In the , participants run through Germany, Switzerland and Austria.