Jepngetich finished third with a time of 18 : 48.27 .
Rheinlander was right on Jepngetich 's heels in fourth place with a time of 18 .
Jepngetich finished third with a time of 18 : 48.27 , while Rheinlander was right on Jepngetich 's heels in fourth place with a time of 18 .