NASA’s Mars Reconnaissance Orbiter took this photo as Perseverance crossed the 42-kilometer finish line—or is it a starting line?
Credit: NASA/JPL-Caltech
NASA has announced yet another milestone for the Perseverance rover: It’s officially traversed the length of a marathon on Mars.
It can’t be overstated just how impressive this is. NASA has a policy of underestimating the lifetimes of its projects, often allowing it to claim overdelivery after a mission has been completed on paper. It’s a smart policy, but ultimately only really possible because of the nature of space; as long as you don’t get unlucky enough to suffer a strike from a small object, the vacuum of space can be quite forgiving to technology.
The surface of Mars, however, is another story. The expectation was always that the planet’s dust and wind would make even the projected lifetimes difficult to deliver, that joints would gum up and struts would get eaten away, or even that electrical storms would short out delicate circuitry.
This more zoomed-in image lets you see the rover’s tracks more clearly.
Credit: NASA
To be fair, Perseverance has been through a lot. It has experienced the highest winds and the most frequent dust devils of any rover, and a 2022 storm damaged its wind-speed detector. It remains hampered by this incident, though, thankfully, the rest of its weather-sensing equipment went unharmed.
The above image was taken to commemorate the event, though it was technically snapped on June 13, 2026, a day before the actual finish line. Perseverance is circled in yellow, and its tracks are visible behind. The shot came from NASA’s Mars Reconnaissance Orbiter (MRO), specifically its High-Resolution Imaging Science Experiment (HiRISE) camera. The location is an area just to the west of the Jezero Crater in which Perseverance initially landed.
It’s amazing to think that NASA’s engineers were able to build a robot that can traverse more than 26 miles on a crater-marked alien surface that nobody has ever directly seen, let alone walked on.
One of the very first selfies ever taken on Mars.
Credit: NASA/JPL
Overall, Perseverance has already contributed tremendously to NASA’s understanding of the Red Planet, conducting weather analyses, geological studies, and various types of imaging. In fact, less than a week ago, we saw newly published research showing macromolecular carbon in samples collected and analyzed by Perseverance.
That means the rover is still contributing to the search for evidence of life on ancient Mars, which has largely relied on chemical analysis of samples from different time periods. We’ve covered the importance of these organic compounds in the past.
This incredibly long journey isn’t over yet. Perseverance’s main power source is based on radioactive decay and will run down over time—but that still means that it should be able to deliver meaningful, though diminishing, uptime for many years to come.
