Runbelievable Half Marathon
Race Day Weather
Cool, steady conditions ahead
Runners will face temperatures starting at 61°F and only rising to 62°F by finish. With humidity at 81% and a light SSW wind peaking at 7 mph, conditions will be comfortable but may feel slightly warmer as the race progresses. Given the humidity, athletes should consider a conservative pace and ensure proper hydration throughout, especially during the later laps.
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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.