OC MTB RACES

Race Directors, Mike and Alison Ho**er, are excited to bring you new mountain bike races in Orange Co

Come join us in this spectacular destination, Limestone Canyon Nature Preserve, for a thrilling mountain bike race on a scenic and fun course! Limestone Canyon offers riders the experience of seeing "original California" in its glory. The course will meander under a canopy of thick oaks, alongside seasonal creeks, and past a striking geological formation known as "the Sinks." Once on the ridge, ri

04/07/2026

Stunning race photos by .b. Thank you to and for sponsoring the photos. Please share on social media. Link in bio

02/24/2026

Excited to bring you a new course!

02/19/2026

Who’s excited to race in the former Saddleback Park? Get your spot. We are limited to the number of riders on this course.

02/14/2026

Happy Valentine’s Day

02/02/2026

We bring you a new course on what used to be the site of America’s first off-road motorsports park. Register for April 4 OC MTB SADDLEBACK XC RACE.

01/16/2026

11/27/2025

11/24/2025

The new date for Limestone Canyon is Nov. 30th. Located in the heart of Orange County, we welcome all levels of riders to race/ride on this rarely opened trail system!