Places are still available for the first-ever 10K Airbase Race at Heyford Park on Sunday, June 30.
The race is open to 500 competitors and will follow a traffic-free course around the historic airfield.
Proceeds will go to the Thames Valley and Chiltern Air Ambulance and the Oxfordshire Playbus.
Prizes will be awarded for the first male and first female to cross the line, along with a corporate challenge prize for the first company to finish with three runners. There will also be prizes for best costume and best fundraiser.
For details, including a map and a route plan, visit the race website at www.tvacca.org/airbaserace. Entry to the race is £15.