Lace up for an unforgettable journey into the heart of the East Bay at the Berkeley Trail Adventure on September 12, 2026, in Berkeley, CA. This premier event, hosted by Inside Trail Racing, invites runners and walkers to explore the stunning landscapes of Tilden Regional Park and Wildcat Canyon, offering distances of 50K, 35K, Half Marathon, and 10K. The courses traverse a mix of technical dirt trails and non-technical fire roads, promising challenging, steep hills alongside breathtaking scenic rewards. As you navigate the varied terrain, expect shady sections beneath abundant coast live oak and eucalyptus trees, interspersed with open stretches that reveal panoramic vistas of the San Francisco Bay, the iconic Golden Gate Bridge, and even Mt. Tamalpais on clear days.

The Berkeley Trail Adventure is renowned for its welcoming atmosphere, making it an excellent choice for both seasoned trail runners and those new to the sport. Runners will appreciate amply stocked aid stations every 5-7 miles, featuring a diverse array of sustenance including Gu products, trail mix, pretzels, potato chips, PB&J, fresh fruit, and both water and Skratch Labs Sports Hydration. Participants should note that this is a cupless event, requiring runners to carry their own hydration vessels. With typical race day conditions boasting comfortable highs around 77°F and lows around 54°F, and only a 1% chance of precipitation, the weather is usually ideal for tackling the "lots of hills" characteristic of this course.

Starting and finishing at Lake Anza in Tilden Park, the event ensures a supportive environment with professional chip timing and free parking available on-site. The 50K distance features an impressive 6,800 feet of elevation gain, the 35K 4,600 feet, the Half Marathon 2,800 feet, and the 10K 1,050 feet, ensuring a significant challenge across all distances. Beyond the stunning views and well-supported course, the Berkeley Trail Adventure is celebrated for its intimate capacity of 350 runners and even welcomes leashed dogs, adding to its unique charm. All finishers receive a custom medal, with 50K participants also earning a commemorative pint glass.