NASA Perseverance nears Martian marathon

NASA’s Perseverance rover has traveled 26.09 miles on Mars and is likely to pass the official marathon distance within the next month, mission manager Robert Hogg said on May 20. The six-wheeled rover landed in Jezero Crater in February 2021 and has spent more than five years driving, drilling and collecting samples as NASA looks for signs that ancient microbial life may once have existed there. The milestone is symbolic, but it comes as the rover continues a core part of the Mars 2020 mission: studying the crater’s rocks, climate history and ancient lake-and-river environment. (wifc.com) Reuters reported the update on May 20, and NASA said in December that the rover remained in strong condition for years of additional work. ### How close is Perseverance to the marathon mark? Robert Hogg said Perseverance has covered 26.09 miles, leaving it just short of the standard 26.22-mile marathon distance. He said the rover would likely exceed that mark in the next month, according to Reuters. The Reuters report said the distance was accumulated over more than five years of work on the Martian surface rather than in a single push. NASA said in December that Perseverance had already traveled almost 25 miles as it headed toward a new science area beyond earlier parts of its Jezero campaign. (wifc.com) ### What has the rover been doing during those five years? Perseverance has been searching for evidence of ancient life, studying Mars’ geology and climate, and collecting rock cores for a possible return to Earth, Reuters reported. (wifc.com) Jezero Crater was selected because scientists believe it once held a lake and river system, making it a promising place to preserve signs of past habitability. NASA said the rover has been collecting “scientifically compelling” rock core samples as it moves through and beyond Jezero. (wifc.com) In September, the agency said a sample from a rock nicknamed “Cheyava Falls” contained a potential fingerprint of past microbial life, though NASA did not present that as proof of life. ### Why does Jezero Crater matter so much? Jezero Crater is the site of an ancient lake and river system, NASA said, and that geology is central to the mission’s science goals. (wifc.com) Sediments laid down in water can preserve chemical and textural clues about ancient environments, which is why Perseverance has spent years traversing the crater floor, delta and rim. December 2025 marked another shift in the mission when NASA said Perseverance was heading toward a region nicknamed “Lac de Charmes.” The agency said the team expected to search there for more rocks suitable for coring in the coming year. (jpl.nasa.gov) ### Is the rover still in good enough shape to keep going? NASA’s Jet Propulsion Laboratory said in December that engineers had tested nearly all of Perseverance’s major subsystems and concluded they could support operations until at least 2031. (nasa.gov) JPL also said wheel-turning actuators had been certified for at least another 37 miles, while brake testing was still underway. Steve Lee, Perseverance’s deputy project manager at JPL, said at the American Geophysical Union meeting that the rover was in “excellent shape” and fully capable of supporting a long-term mission. (jpl.nasa.gov) NASA also highlighted a record single-day drive of 1,350.7 feet on June 19, 2025, as part of broader work to improve autonomous navigation and cover ground more efficiently. ### What comes after the marathon milestone? Next month is the most immediate marker NASA has identified, because that is when Hogg said Perseverance is expected to cross the 26.22-mile threshold. After that, the rover’s work continues in and around Lac de Charmes, where NASA said the team plans further sample collection as part of the broader Mars sample campaign. (wifc.com) (nasa.gov)