Decker Challenge

Course

Hilly road half marathon based at the Travis County Expo Center in east Austin, running the rolling country roads around Decker Lake. The Decker hills are the race signature, including a stiff climb near mile 10. A 5K and a kids mile run alongside.

Key dates

• !
  Registration
  Open now
• ★
  Race day
  Sun 13 Dec 2026

About

The Decker Challenge Half Marathon and Brown Santa 5K is an Austin Runners Club tradition held on Decker Lane in east Austin. Proceeds from the 5K support the Brown Santa program, which provides holiday gifts to children in need across Central Texas.

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