Ultra Marathons found in California in Spring
View all ↓Ultra Marathons in California in Spring 2026
Race Calendar: Ultra Marathons found in Spring
Badwater Salton Sea, presented by Mount to Coast
Borrego Springs, CaliforniaRun4Kids Ultra Running Party
Corona, CaliforniaWant more bookings?
Our most effective tool for getting more people to your race is a ‘Boost’. Boosts put your event to the top of the search results.
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Choose to Boost your event on the landing page which best suits your target audience and budget. For example, ‘10k’s near San Francisco or ‘marathons in April’. Our team can advise on scheduling promotions to optimize performance.
Prices start at $100 per month. The most popular categories sell out in advance so booking early is recommended.
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