San Diego Holiday Half Marathon
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About the race
San Diego Holiday Half Marathon & 5K is held in San Diego, California, on December 20, 2025. The festive winter event features a fast 13.1-mile half marathon and a 5K. The half starts on Penasquitos Drive in front of the Hotel Karlan (formerly the Doubletree Golf Resort), then heads southwest along Carmel Mountain Road and the 56 bike path, finishing at Torrey Pines State Beach.
The course includes a notable mile 1.5 hill and a 711-foot net elevation drop along the downhill bike path, helping many runners set personal bests. The event has a history of selling out and a holiday‑season atmosphere. Visit the organization's website for the most recent information.