New Year's Run 5K/10K/13.1 SAN ANTONIO

New Year's Run 5K/10K/13.1 SAN ANTONIO is run in San Antonio, Texas, on December 26, 2026, with the half marathon (13.1 miles), the 10K, the 5K and a one-mile family fun run all going off at 7:30 a.m. Pick the distance you want, hold your own pace, and record your timed result with your usual running app. Every entrant gets a technical race shirt, a finisher medal and a digital training pack.

Sharpening a competitive edge and simply adding variety to a block are both reasonable uses of a race like this. For a first half marathon, ten to twelve weeks with one long run a week is the part that matters; for a runner already racing 13.1 regularly, a late-December start is a clean marker before a spring build begins. Local running clubs turn out here, and January is when those groups are easiest to join.