SARR Great Greenway Marathon

San Antonio, Texas hosts the SARR Great Greenway Marathon Relay, a 26.2-mile point-to-point team event along the Howard Peak Greenway System. The course runs from Mainland Trail Head to the McAllister Dog Park Trailhead, weaving through shaded parks along the Leon and Salado creeks at the edge of the Texas Hill Country. Teams of 2 to 5 runners cover five relay legs ranging 4.5–6.5 miles, with baton handoffs at designated trailheads.

Runners of all abilities (ages 14+) compete for regional awards across multiple categories, plus best-team shirts; time limit is seven hours. The event emphasizes teamwork and scenic, creek-adjacent scenery, with medals at the finish. Visit the organization's website for the most recent information.