Cemex Quarry Quest 5K

Run Around the Rocks. Race for a Cause.

Have you ever raced through a working rock quarry? Here’s your chance. The annual Quarry Quest 5K, hosted by CEMEX in Rialto, is a truly one-of-a-kind event that gives runners of all ages the rare opportunity to race through an active quarry landscape. Experience a course unlike any other as you navigate rugged terrain surrounded by towering rock walls, massive machinery, and sweeping quarry views.

🏗️ What to Expect

• A scenic, rugged 5K course inside a working quarry

• Up-close views of haul trucks, loaders, and heavy equipment

• A fun, family-friendly atmosphere with a competitive spirit

• A memorable race experience you won’t find anywhere else

💙 Why It Matters

Every step you take helps invest in the future of the community. Proceeds from the race directly support STEM education within the Rialto Unified School District — funding hands-on learning, classroom resources, and opportunities that inspire the next generation of scientists, engineers, and innovators.

🎟️ Ready to Run?

Don’t miss your chance to be part of this unforgettable event. Register today and run for something bigger than the finish line.