NASA’s Mars Exploration Rover Opportunity started driving around Mars in January 2004. Over 11 years later, it completed its first marathon as the odometer rolled over 26.2 miles.[youtube https://www.youtube.com/watch?v=3b1DxICZbGc&w=700&showinfo=0&rel=0]
The above video captures compiles thousands of images from the hazard avoidance camera atop Opportunity, which documented the 11-year journey. On the right side of the video, you can see a map of the Opportunity’s path across the Martian terrain.
Opportunity’s mission was planned to last three months but is has far exceeded that mission plan and continues to be a productive tool in gathering data from the red planet for future manned missions to Mars.