October 19th-20th, 2018 - www.minesofspain100.com
100mi and 100k trail running races at the Mines of Spain Recreation Iowa in Dubuque, Iowa.
October 19th-20th, 2018 - www.minesofspain100.com
A beautiful and challenging 100 mile and 100 kilometer trail running race set in the bluffs, prairies and forests of the driftless region of eastern Iowa amongst the scenic setting of the Mississippi river valley!