Greatest distance run carrying a 40 lb pack in 24 hours (male)

The greatest distance run carrying a 40lb pack in 24 hours (male) is 142.7 km (88.67 mi), and was achieved by Mark Jones, sponsored by the Oscar Mike Foundation (both USA) in Belvidere, Illinois, USA on 7 November 2025.

Mark has an extensive resume of races and rucking challenges including the Death Race Championship. Today, he’s a race director for Spartan Races which hosts many endurance events. He partnered with Oscar Mike, a nonprofit supporting disabled veterans, with a goal of raising enough awareness to attract 20,000 monthly donors and raise money for an adaptive sports facility for disabled veterans.