Running Grand Prix Goodwood Motor Circuit - December
Race Day Weather
Cool start — fast day potential, strong wind
A cool 49°F at the start line is ideal for fast times — expect to warm up quickly once you're moving. Strong 21mph gusts could slow exposed stretches — tuck behind other runners when you can. Moderate humidity at 78% is worth noting for effort level, especially in later miles.
Pace Calculator
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.
