Irving Frost Marathon

The event course navigates a fast, primarily flat layout through Irving and the Las Colinas area, using a two-loop design for the full marathon distance. Runners encounter modest elevation changes, with a total elevation gain and loss of about 486 feet, moving between a maximum of 443 feet and a minimum of 416 feet above sea level. The route includes multiple out-and-back segments, making pacing and checkpoint management straightforward for participants.\n\nA substantial portion of the race unfo