In 2003, Betsy Kalmeyer smashed Burrell's record, running 9d10h52m. Betsy's time was beaten just 3 days later and by only a few minutes by Hal Koerner, 9d10h19m (shows the advantage of knowing the existing record!) Both Kalmeyer and Koerner ran east to west.
East to West
9d 10h 52m