When is Fontana Days Run?

Fontana Days Run takes place on Jun 6, 2026. That's in 1 week.

Where is Fontana Days Run located?

Fontana Days Run is held in Fontana, California, United States.

What distances are available at Fontana Days Run?

Fontana Days Run offers the following distances: 13.1M, 5K.

How do I register for Fontana Days Run?

You can register for Fontana Days Run through the official registration page.

What is the typical weather for Fontana Days Run?

Based on historical data, you can expect temperatures between 59°F and 84°F on race day. There's approximately a -9999% chance of precipitation.

Fontana Days Run (5K-13.1M) - Jun 6, 2026 | Fontana, CA

Prepare for an exhilarating downhill journey at the Fontana Days Run on Saturday, June 6, 2026, in Fontana, CA. Renowned since 1985 as the "World's Fastest Half Marathon Course" by the USATF, this race is a premier opportunity to chase a personal best or achieve qualifying times. The 13.1-mile Half Marathon kicks off in the scenic San Bernardino National Forest at an elevation of 3,800 feet, plunging nearly 2,125 to 2,500 feet to the finish line in front of Fontana City Hall. The initial six miles offer a fast and steep descent through picturesque landscapes, transitioning to a moderate downhill along Sierra Avenue for the remaining 7.1 miles. For those opting for a shorter distance, the 5K follows a fast, moderately downhill course along Sierra Avenue, also concluding at Fontana City Hall.

This historic event, which began in 1955, has grown into a vibrant community celebration, attracting over 2,000 participants annually. Runners consistently praise the Fontana Days Run for its well-organized structure and the unique advantage of its downhill profile, making it highly recommended for first-timers and seasoned athletes alike seeking a swift finish. Good on-course support ensures a smooth race experience, and typical race day conditions in early June see comfortable lows around 59F and highs around 84F.

Beyond the race itself, participants can look forward to lively finish line festivities at Fontana City Hall, featuring local vendors, exhibitors, entertainment, and food. With options for a Half Marathon, 5K Run, and 5K Family Fitness Walk, the Fontana Days Run offers a memorable and achievable race experience for everyone. All Half Marathon and 5K participants will be conveniently bused to their respective starting lines from Fontana City Hall.