US Road Running - Deer Park

Holiday 5K, 10K, & Half Marathon at Dow Park in Deer Park, Texas, on December 20, 2025, is hosted by US Road Running. The event offers three distances: 5K, 10K, and a Half Marathon, beginning at the Dow Park large pavilion (610 E San Augustine St). The courses are out-and-back loops: the 5K & 10K share a 0.78-mile loop run twice and four times respectively, while the Half Marathon uses a 1.09-mile loop repeated six times.

There is a 3 hours 30 minutes time limit. Packet pickup starts 30 minutes before start; on-site registration is not available. Finisher medals, shirts/gear, awards, Best Costume award, and series points round out the experience. Visit the organization's website for the most recent information.