LEWISTON – A Maine woman has finished the longest horse race in the world. The Sun Journal reports that 26-year-old Amanda Charlton Herbert, of Poland, crossed the finish line of the Mongol Derby in Mongolia eight days after it began on Aug. 9. LW TD LT AC JL looking might fine as they complete the Mongol Derby 2017 pic.twitter.com/fv2EZxd6w3 — Mongol Derby (@mongolderbylive) August 17, 2017 The initials in the above tweet indicate that Herbert is the fourth from the left. A company filming the race described Herbert as having “kindness and grace under pressure.” Competitors in the derby have 10 days to ride the 620 miles that emulate Genghis Khan’s relay postal system.