Great South Run
Race Day Weather
Cool conditions, strategic wind shifts
Runners will face a temperature range of 48°F to 58°F, with a consistent humidity of 68%. Wind will be a factor, with a tailwind in the first two miles, shifting to a crosswind in the third and fifth miles, then a headwind in miles four and six. Pacing adjustments are advised for the headwind segments, especially between miles four and six, while maintaining hydration throughout.
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Race Info
The Great South Run is an annual 10-mile road race in Portsmouth, England, first held in 1990. The flat, largely coastal course starts near Southsea Castle and finishes along the Southsea seafront, passing Portsmouth Historic Dockyard and the Spinnaker Tower. It hosts the UK Athletics 10-Mile Championships and draws over 20,000 finishers most years.
