Tal Robinson established the BMW Dallas Marathon in 1971 with a 26.2-mile race. At the time, he placed a $25 advertisement in Runner's World, inviting runners from across the country to come to Dallas,

Streets in Dallas will be closed for the BMW Dallas Marathon, which is expected to draw thousands of runners to the city this weekend, according to the city. According to the city, additional streets along the race will be closed in downtown Dallas starting at 7:30 a.

Downtown Dallas streets will close Saturday at 7:30 a.m. and are expected to reopen between 10 and 10:30 a.m. On Sunday, closures will begin at the same time but will extend across the city, with roads reopening between 3 and 4 p.