Quarry Quest 5K Rialto

Prepare for a truly unique running experience at the Quarry Quest 5K Rialto, set to challenge and inspire on March 7, 2026, in Rialto, CA. This one-of-a-kind 5K race invites participants to navigate a scenic and rugged course directly through an active limestone quarry, offering an unparalleled opportunity to run alongside massive machinery like haul trucks, loaders, and draglines, all while taking in breathtaking quarry views. The early March date typically brings ideal running conditions to Rialto, with highs around 72°F and lows near 46°F, and only a 5% chance of precipitation, ensuring a comfortable race day atmosphere as the event kicks off at 8:00 AM PST at the Cemex Lytle Creek Quarry.

The Quarry Quest 5K Rialto provides a distinctive backdrop, transforming a working industrial site into an adventurous race course suitable for all ages and skill levels. Runners will experience the distinctive limestone terrain, making for a memorable journey through a landscape rarely accessible to the public. Beyond the thrill of the race, every stride taken supports a vital cause, as all proceeds directly benefit the Rialto Unified School District's STEM programs, fostering the next generation of innovators in the community.

Embrace the challenge of this distinctive event, where a family-friendly atmosphere meets a competitive edge on a course unlike any other. Whether you're a seasoned runner or looking for an exciting new challenge, the Quarry Quest 5K Rialto promises an unforgettable adventure through an active quarry, all while contributing to a worthy educational initiative.