This article states that Abhijit Boruah, an Assam police constable, set the Guinness Book of World Records for running 150 km in 24 hours. Congratulations to him! http://articles.timesofindia.indiat..._atilagaon-assam-police-constable-tarun-gogoi But, in 2010, Todd Ragsdale set the Guinness record in the 24 hour Relay for Life 24 at South Medford High School in Medford, Oregon, running 102.65 miles (165 km) on a rubberized track. http://thebarefootrunners.org/threads/102-mile-barefoot-ultra-no-simple-feat.5549/ Perhaps they were counted different due to the ground conditions? Of course, it doesn't matter, to us. Both guys rock!