The Irving Marathon Running Series hosts a major annual marathon event at Toyota Music Factory, attracting participants worldwide. Set on a "Fast & Flat" course, it's a Boston Marathon qualifier, featuring routes through downtown Las Colinas and along Lake Carolyn. Runners enjoy scenic views and receive various race day perks, such as cash prizes, professional photos, event shirts, and a chip-timed race. The event concludes with a post-race party offering free beer, food, and entertainment. The marathon aims to promote healthy lifestyles and supports local schools through its initiatives. Founded in 2012, it fosters community and global participation.