Dallas Marathon

Annual footrace held in Dallas, Texas

The Dallas Marathon (formerly known as the Dallas White Rock Marathon and also known as the BMW Dallas Marathon for sponsorship reasons) is an annual marathon road running event usually hosted in December by Dallas, Texas, and is having been held every year since 1971 (with the exception of 2013 and 2020). The marathon begins and ends in Downtown Dallas and runs around White Rock Lake. The race weekend also includes a 5K, a 10K, a half marathon, a 2 person half marathon relay, a 5 person full marathon relay, and a 50K ultramarathon. Dallas Marathon results can be used to qualify for the Boston Marathon. Since naming a primary beneficiary in 1997, the Dallas Marathon has donated more than $3.8 million to Texas Scottish Rite Hospital for Children.

Inspired by the American National Marathon in Galveston, Texas, Talmage Morrison, president of the Cross Country Club of Dallas, organized the inaugural "White Rock Marathon" on 1971.03.06. Looping around White Rock Lake twice, the marathon had 82 participants and 61 finishers. In 1976, the race was moved from spring to the first Saturday in December because the new date historically offered good marathon running weather. As a result, the White Rock Lake Marathon was held twice that calendar year: once in February and once in December. The Dallas Marathon had been the first leg of the Marathons of Texas, a series of winter marathons held approximately one month apart from each other from December through February in Texas, along with the Houston Marathon and the Austin Marathon. In 2013, the race was cancelled the Friday before due to ice, with no refunds offered. In 2016, BMW signed on to become the title partner changing the official event name to the BMW Dallas Marathon. The 2020 race was cancelled & deferred to the weekend of 2021.05.02 due to the coronavirus pandemic. Entrants that year were given either refunds or deferred automatic entry to next year's. In December 2023, over 30,000 runners participated in events, with the proceeds going to benefit the Texas Scottish Rite Hospital for Children.

The first course ran around White Rock Lake twice, for each loop, and then went out and back. This course was used from 1971 to 1973, when part of the road situated west of the lake was torn up four days after the marathon for capital improvement purposes.

The course was changed for the 1974 marathon to use a flat three loop course situated on the eastern side of the lake. This course was used for a few years.

The current marathon course begins and ends at Dallas City Hall, and loops around White Rock Lake once. The half marathon course does not include the loop around the lake, while the 50K ultramarathon also includes an out and back leg on Santa Fe Trail.

In 1986, Edwin Brown collapsed after mile 10. He was taken to Doctors Hospital and pronounced dead. He was 47. On December 14, 2008, Erin Lahr collapsed and died during the race. She was 29.