California International Marathon 2026

There will be 90,000 people attending and a predicted event spend (USD) of $9,009,117 at the event in 2026.

Turn major real-world events into structured context for accurate, trusted, and explainable forecasting, AI systems, and operational decision-making. PredictHQ helps teams understand how one major event, together with others happening at the same time, can combine to create surges in demand they might otherwise miss.

Unlock verified real-world context for major events and fuel smarter forecasting, AI, and decision-making. Start your free trial today.

Event Insights for California International Marathon 2026

Predicted Attendance
90,000
Predicted Event Spend (USD)
$9,009,117

Global companies from travel, retail, mobility, and more unlock new intelligence with PredictHQ

Stop endlessly searching. Instantly find events impacting your business anywhere in the world.

Try for free

Event Details

Description

The California International Marathon (CIM) is a premier point-to-point road marathon that starts near Folsom Dam and finishes at the California State Capitol in Sacramento, organized by the Sacramento Running Association. Its net downhill course drops roughly 300 feet, making it one of the fastest certified marathons in the U.S. and a popular c...