Race for Life Pretty Muddy Watford

Watford, United Kingdom • 6 Jun 2026

Watford Pretty Muddy 5k

The event is the Pretty Muddy 5k obstacle course held at Cassiobury Park in Watford (Off Cassiobury Park Avenue, WD18 7LG). The course starts and finishes on grass and is largely flat, with a mix of terrains including tree-lined paths and grass avenues. The route includes obstacles that require climbing, crawling and sliding; marshals are available to assist and participants may skip an obstacle if needed.

Participants must be 13 years of age or older. Event waves start at 15-minute intervals to manage numbers on the course; groups should register for the same wave. The venue meeting point is at the top of the slope next to the car park by the Lebanon Tree; a what3words location is provided for the start point.

Facilities listed for the event include refreshments and toilets. The event is not suitable for wheelchair users and is not suitable for pushchairs; dogs are not allowed. There is no parking available at Cassiobury Park on the day; public transport is recommended. Watford Underground station is about a 5-minute walk to the site and Watford Junction is about a 25-minute walk. Bike racks are available near the Daisy cafe and near the tennis courts.

Entry prices shown are £22.49 for adults and £12.00 for children, with a minimum fundraising target of £50. Participants receive a fundraising pack, a customisable back sign, training support and a Race for Life medal on completion. Visit the organization's website for the most recent information.

Race information

5 km
Pretty Muddy 5k
Visit the organization's website for the most recent information.
Trail runs nearby

A timed Friday event on a flat 5.3 km out-and-back course along the river Thames, with lap-based distances from 5 km to ultra and a £10 Run for a Tenner entry benefiting Rays of Sunshine.

A 50 km multi terrain ultramarathon around Maidenhead, run on a single lap route that follows the Thames Path and Jubilee River. The course is mostly off road with four aid stations, chip timing, live tracking and free race photos.

An 86 miles (139 km) point to point trail race along the full length of The Ridgeway National Trail from Ivinghoe Beacon to Avebury Stones. The event features open tracking, permanent signage and aid stations spaced along the route.

Functional fitness racing in Twickenham on 30 May 2026 with ten Xercises and repeated runs across solo, doubles and relay divisions. A LITE weight division is available and all entrants must be 18 or older.

Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.