Lace up for the ultimate Bay Area trail challenge at the Trail Quake Half Marathon, 10K, and 5K on May 10, 2026, in Saratoga, CA. Hosted by the acclaimed Brazen Racing at Sanborn Park, this event lives up to its name, promising an unforgettable rumbling run along the San Andreas Trail amidst stunning redwood and pine forests. Prepare for a course renowned for its significant elevation gains, including an initial steep climb that will test your grit, followed by exhilarating descents and rolling sections. Typical race day conditions in May offer pleasant highs around 73°F and lows around 52°F, with a minimal 2% chance of precipitation, providing ideal weather for tackling the challenging terrain.

The Trail Quake Half Marathon is a highlight of the Brazen Ultra Half Series, known for its tough, scenic routes. All distances feature a dynamic mix of single-track trails, fire roads, and breathtaking views, with the Half Marathon and 10K courses ascending to peaks for spectacular panoramas. Aid stations are strategically placed approximately every 2-3 miles, generously stocked with water, sports drinks, gels, pretzels, candy, and fruit, supported by friendly volunteers ready to cheer you on. After conquering the "ankle destroyer" hills, celebrate your achievement at the finish line with a rewarding spread of food, including "It's It" ice cream sandwiches, and receive a custom finisher medal and race shirt, with technical options for half marathoners.

Whether you're an experienced trail runner seeking a demanding climb or a newer adventurer looking to explore the beauty of Sanborn Park, the Trail Quake offers an exceptionally well-organized and highly-rated experience. Even a dedicated "Hikers Half Marathon" division is available for those who prefer a more leisurely pace up the challenging ascents, ensuring everyone can experience the unique allure of this vibrant trail race.