Runbelievable Half Marathon
Race Day Weather
Mild temps, steady conditions
Runners will face mild temperatures starting at 61°F and rising to 63°F by the end. With light winds at 7 mph from the WSW and high humidity at 81%, it's crucial to start conservatively to manage effort. Hydration should be prioritized early due to the moisture levels, while the flat course promotes a steady pace throughout. No significant weather concerns will disrupt the race.
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Race Info
Runbelievable Half Marathon is a superhero-themed race held along the Long Beach shoreline near 5400 E Ocean Blvd. The course follows a flat, mostly out-and-back beach path shared with several other CaliFlow Runs events at the same venue. Runners are encouraged to wear capes and costumes, and the event also includes 5K, 10K, one-mile, and kids' distances. The race debuted June 6, 2026, and its second edition is scheduled for June 6, 2027.
