MEDTRONIC TWIN CITIES MARATHON

Heat has forced organizers to cancel Twin Cities races that draw up to 20,000 runners

MINNEAPOLIS (AP) — A forecast that record high temperatures and humidity would create “extreme and dangerous” conditions prompted organizers to cancel two long-distance races Sunday in Minnesota’s two largest cities that were expected to draw up to 20,000 runners. The Medtronic Twin Cities Marathon from Minneapolis to neighboring St. Paul had been expected to draw up to 8,000 runners when…