Carlsbad Marathon
Race Day Weather
Cool start, warming trend ahead
Runners will face a temperature rise from 48°F at the start to 68°F by the finish, with light winds from the SSE. Humidity will remain moderate at 47%, allowing for a comfortable run. As temperatures rise, it's advisable to pace conservatively in the early miles and hydrate frequently to stay refreshed.
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Race Info
The Carlsbad Marathon is held in January on the Martin Luther King Jr. holiday weekend in Carlsbad, California, alongside a half marathon and 5K. The two-loop, out-and-back marathon starts at The Shoppes at Carlsbad and runs more than 18 miles along the Pacific Ocean on Carlsbad Boulevard, passing the Buena Vista Lagoon and Carlsbad Village on the way to turnarounds at La Costa Avenue and Breakwater Road. The marathon and half marathon are run on USATF-certified courses, and the marathon is a Boston qualifier.