Around 6,000 people took part in the world's largest obstacle course near Stamford this weekend.
The grounds of the Burghley House country estate were transformed into the course.
The 'Dirty Weekend' challenge was 20 miles long and had over 200 obstacles.
The world’s longest set of monkey bars and the world’s longest “cat crawl" were among the challenges on offer.
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Sunny spells, especially in the morning before it turns cloudy later. Feeling cooler than yesterday.
Showers will drift north across eastern coastal counties this evening with thunderstorms out to sea. Fine again tomorrow.
Doctors are warning that millions of people who go to A and E don't actually need to be there.