ISR is scheduled for May 15-17, 2026
The International Slope Race
Davenport, CA is home to the legendary International Slope Race Man on Man race which is held in the spring on the California coastal bluffs overlooking Waddell Creek State beach. The race draws competitors from California and around the world. The ISR never fails to provide excitement for both MoM racing fans and pilots alike. This year’s Davenport International Slope Race will be held at on May 15-17, 2026 and is hosted by Norcal Slope Soarers, AMA Charter Club #4494, and Aloft Hobbies. The ISR is only possible due to the kindness and hospitality of Big Creek Lumber Company and Big Creek Timber, Norcal Slope Soarers, The Recreational Aviation Foundation, and all the pilots and workers who help make it happen.
Mission Statement
The event mission is to host the premier MoM race in Northern California. To ensure the safety of all participants and a successful event, we will be following IRC Safety Guidelines. Click here for event guidelines.
Event logistics
Each race heat is 8 laps between two or three pilots/planes with a flying start after a 1 minute climb out. The course is 458 feet between bases, 916 feet (305.3 yards) per lap or 1.39 miles per 8 laps. We run as many races each day as wind and time allow. Safety is critical to NCSS and is a key part of how the race is run. Click here for site layout.
Pilot’s list will be published soon.
Location
The Davenport International Slope Race is held on the coastal bluffs near Waddell Creek State Beach. The flying site is just across Highway 1 from Big Creek Lumber Company. The Registration pages also have a live Google map showing the location. Plan your trip from Half Moon Bay (drive 31 miles South) or Santa Cruz (drive 18 miles North) along Highway 1. Click here for exact location on Google Maps.