SPARTA, Wis-(WEAU)—A Sparta man is in Monroe County jail after fleeing police on a motorcycle and crashing. Police say 20 year old Dillon Parks was arrested after he led police on a high speed chase through Monroe County and La Crosse County. Police say they received a report of a motorcycle traveling at a high speed around 5:00 pm Saturday in the city of Sparta. Police say when they attempted to stop the motorcyclist he drove off. Officers say during the chase Parks reached speeds of over 100mph. Parks was arrested after he failed to negotiate a curve and crashed his motorcycle near the intersection of County Highway J and County Highway Y in La Crosse County.