Youtuber KSI and the cast of The Traitors were among 14,000 people who took on an obstacle course event near Henley ... the Thames in beautiful surroundings. Founded in 2010, Tough Mudder ...

Normally famed for its gentrified rowing regattas, Henley-on-Thames has become the focal point for Tough Mudder this weekend - considered one of the most gruelling assault course challenges around.

Some very tough mudders braved ice and mud for the the Toughest Event on the Planet in Henley yesterday. The largest Tough Mudder UK event of the year is hosting 20,000 participants over two days ...

Competitors took on the 12 mile gruelling Tough Mudder assault course in Henley-on-Thames yesterday. Events at the Culden Faw estate included climbing up rope ladders, being given electric shocks ...

Around 18,000 people are expected to take part in a Tough Mudder event near Henley this weekend ... the Culden Faw estate sits on the banks of the Thames in beautiful surroundings.

Tough Mudder's first event of the year takes place ... Yes, the London west (well, Henley in Oxfordshire) weekend promises to be a challenging one - but it's not all about making it over the ...

They will take part in Tough Mudder on Saturday, May 6, in Henley to raise money for Pancreatic Cancer Action. Daughter Georgie Bolton said the family was determined to do something to help.

Around 18,000 people are expected to take part in a Tough Mudder event near Henley this weekend ... the Culden Faw estate sits on the banks of the Thames in beautiful surroundings.