Running Grand Prix Goodwood Motor Circuit - December
Race Day Weather
Cool temps, strong winds ahead
Runners will face temperatures starting at 48°F and rising to 50°F. Winds will be strong from the WSW at 21 mph, creating a headwind throughout. With humidity at 78%, runners should dress in layers and be prepared to adjust their pace for the wind's impact.
Pace Calculator
Enter a finish time to see what race day does to it.
Get forecast alerts for Running Grand Prix Goodwood Motor Circuit - December
We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.
Race Info
The Running Grand Prix Goodwood Motor Circuit - December is a closed-loop marathon on the tarmac racing circuit at Goodwood Motor Circuit near Chichester, West Sussex, one of four editions RunThrough Events runs on the same course each year. Runners share race day with 50K, 20 mile, metric marathon, half marathon, 10K and 5K entrants on the traffic-free circuit at the foot of the Sussex Downs. The event has run each December since at least 2023. It follows the same qualifying course and format as RunThrough's February Goodwood edition, which the Boston Athletic Association lists as a Boston Marathon qualifier.
