Travel across the surface of Mars with the Opportunity Rover.
NASA's Opportunity rover has 'run' a science marathon (and then some!) on the Red Planet, traveling over 26.2 miles. The Mars Exploration Rover team compiled ‘Hazcam’ imagery (2004 - 2015), combined with terrain vibration data, odometer readings and made a map to track the journey. -- More about the Opportunity's Mar's Marathon Win: http://goo.gl/eQ3hRh