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If those long airport layovers get boring, there’s something new to do at Baltimore-Washington International Marshall Airport. You can rent a bike and ride around the airport’s perimeter.

The 12.5-mile airport loop is a regular route for area cyclists, and it’s surprisingly scenic when compared to the surroundings of many big airports. BWI has joined with Zagster, which provides turnkey bikesharing, to provide 10 bikes just outside the international terminal. They cost $5 for up to 12 hours’ use. If you’re traveling without luggage, they can be used to get to the nearby light rail stop or buses.

“We are working with Zagster to create and evaluate this bike share pilot program,” airport chief Paul J. Wiedefeld said in a statement. “The bikes are a great way for travelers and employees to explore the BWI Trail and beyond.”

Riders can use the bicycles by downloading the Zagster Mobile App or going online to Riders  enter the number of the bike they want to use, and an access code for the lock box is provided. Riders can use the code to lock and unlock the bike anywhere along their trip. When a bike is returned to the Zagster location, the touch of a button ends the rental and releases the bike for the next rider.