<human>:  Where is the world record for the most miles run in 24 hours?
<bot>: The world record for the most miles run in 24 hours is 153.0 miles, which was set by Dean Karnazes. Dean Karnazes is a former ultramarathon runner who has completed the Badwater Ultramarathon (135 miles) six times, the Western States 100 (100 miles) four times, and the Tahoe Rim Trail (50 miles) three times. Dean Karnazes is also a motivational speaker and author.