The BMW Dallas Marathon by Fitletic Team | Dec 4, 2018 Start date: December 7, 2018End date: December 8, 2018Location: Kay Bailey Hutchison Convention CenterOfficial Website: https://www.bmwdallasmarathon.com/health-fitness-expo/Event Location: Dallas, TXIt’s Texas’ oldest marathon and has taken place each December in Dallas since 1971. It is also a Boston Marathon qualifier!