Race for Life Pretty Muddy Watford

JUN
12
2027
A muddy 5k obstacle course at Cassiobury Park where participants climb, crawl and slide through timed waves while raising funds for cancer research.
Sat 12 Jun 2027
Pretty Muddy 5k

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Watford Pretty Muddy 5k : Cassiobury Park

The event is a Pretty Muddy 5k obstacle course held at Cassiobury Park, Watford. The start and finish are on grass at the top of the slope next to the Cassiobury Park car park by the Lebanon Tree. The course is largely flat and includes a mixture of terrains, tree-line paths and grass avenues; in wet weather the ground may become soft or muddy.

Available distances:

  • Pretty Muddy 5k

Participants climb, crawl and slide around a series of obstacles. Waves start every 15 minutes to manage flow on the course; groups should register for the same wave. Marshals are present on the course and participants may skip an obstacle if needed.

Eligibility and event provisions include a minimum fundraising target of £50 and an age requirement of 13 years or older to take part in the Pretty Muddy event. Pretty Muddy Kids events are available separately for children aged 12 and under. Entry pricing listed for earlybird tickets is £11.24 for adults and £6.00 for children.

Travel and site details note there is no event parking inside Cassiobury Park and attendees are advised to use public transport or town centre car parks. Blue Badge parking is available with steward assistance. Facilities on site include refreshments, toilets, a bag drop, provision for pushchairs, and space for dogs. Due to the nature of the course the event is not wheelchair accessible. Visit the organization's website for the most recent information.

5 km
Pretty Muddy 5k

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The Stopsley Trail Race on Sunday 9 August 2026 offers 5K, 5 miles and 10 miles on scenic undulating trails along the Bedfordshire and Hertfordshire border. Entries include chip timing, bespoke medals, free photos and participant goodies.
Free Backyard Ultra at All Work Training in Ruislip: 5 km each hour for six hours; sign up is now closed.
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