Runners start the point-to-point course for the Fontana Days Run Half Marathon at the Applewhite Campground in Lytle Creek, just north of the city, and finish the race 13.1 miles later in front of the Fontana City Hall building. The race has been called the world’s fastest half marathon course, and when you see the elevation profile below you’ll understand why — it’s virtually an all-downhill race from start to finish.
(MORE: Fontana Days Run Half Marathon event details)