The 6th Annual ALAMO 13.1 will take place on SUNDAY, MARCH 19th, 2017. This, original instant classic 1/2 Marathon & Relay highlights the beauty of San Antonio in the Spring. Pulsate your way past the cultural icons that speak the soul of S.A. by leading you to an historic finish at the heart of our vibrant city, the famous Alamo. While enjoying the unique flavor of the Alamo City, your racing experience will have the added flare of running with a purpose. Accept no cheap new imitations. This home grown run put on by locals will ignite your running passion by its creativity while inspiring you to help those in need.