Adults
£22.49
Children
£12.00
Minimum fundraising target
£50.00
Date
Saturday 06 Jun 2026
Time
From: 10:30
Venue
Willen Lake
Offer ends 19 April 2026. T&Cs apply*
Life is worth Racing for. Enter Cancer Research UK’s Race for Life and raise money for life-saving cancer research.
Get ready for an unforgettable day out as you climb, crawl and slide your way around the Pretty Muddy® 5k obstacle course! Sign up as a group with friends and family, or go solo and join hundreds of people on the day. There's no pressure to finish in a certain time, so take it your own pace, get muddy and enjoy the atmosphere. However you take part, you're helping to beat cancer.
The start and finish are on grass. The course is mainly on tarmacked paths, with some sections on grass.
Click here to see the Course Map. Please note, this is subject to change.
Once you sign up for your Pretty Muddy® event, you'll receive an email with all the need-to-know details to help you feel fully prepared for the day.
The start and finish line are on the grass area between the splash park and the play area, next to the ferris wheel.
If using what3words, enter ///headsets.inspected.hydration in the free app, to find the exact starting point.
Please listen out for your start time to gather in front of the stage for a gentle warm-up and course instructions.
By car:
General Event Parking: Parking is available in the Willen Lakes car parks. Please follow the yellow event signage and the parking stewards which will direct you to the correct car parks. Please note normal pay and display charges apply. Please car share where possible and consider using public transport. Once you have parked, the event site is approximately a 10 minute walk from the car parks.
Drop Offs: Participants can be dropped off at any of the car parks around Willen Lake.
Blue Badge Parking: Blue badge parking can be found in Car Park B which is closest to the event site. Please follow directional signage and stewards to this car park.
Volunteer Parking: Volunteer parking can be found in the old boat yard, next to the event site, which is accessed from Brickhill Street roundabout through Car Park A. Please follow the directional signage and stewards to this parking.
Electric Charging points: There are none available at this event.
Public transport and pedestrians:
Pedestrians: There are various public transport links to the venue.
Bus: There are various bus routes which can be used to access either of the closest bus stops to the venue. These are H6 on Childs Wat and Pagoda Roundabout on A509.
Train: Milton Keynes train station is approximately 1 mile away from Willen Lake.
Cycling & Bike Racks: There are none available at this event.
Refreshments
Toilets
Parking
Dogs not allowed
Bag drop
Showers
Not suitable for pushchairs
Not wheelchair accessible
Event Site: The start and finish areas are both on the same grass field.
Due to the nature of the event it is not suitable for wheelchair users.
We aim for maximum accessibility at our events. Our contact centre and on-site team are ready to assist with any needs or questions you may have.
Sunflower wristbands are available at the enquiries marquee, and our Event Managers are trained Dementia Friends.
A QR code will be available on the main event site to access British Sign Language stage content for those who use BSL.
Pretty Muddy® events start times are staggered in 'waves', each wave starts every 15 minutes to ensure you're safe on the course. If you're signed up as a group, please make sure you sign up for the same wave time.
Climb, crawl and slide your way around the course at your own pace. We want you to tackle every obstacle the best you can, but if you need to skip to the next one our marshals will be on hand to assist. Find out more about Pretty Muddy® obstacles.
To be part of the action, you must be 13 years of age or older at the time of your event. We've got something special for our young participants too - check out our Pretty Muddy® Kids events for kids aged 12 and under!
If you have any pre-existing medical conditions, please seek your doctor's advice before registering.
A fundraising pack with tips to help you reach your target
A customisable back sign
Training plans and support to help you prepare
Access to our Facebook community to help you get motivated
A Race for Life medal when you cross the finish line!
Get fundraising and training support, tips and resources to help you hit your target and prepare for your event.
Thanks to support from people like you, we've funded pioneering research to prevent, diagnose, and treat cancer. But our work isn't done yet. We want to bring about a world where everybody lives longer, better lives, free from the fear of cancer.
The money you raise goes towards our research into more than 200 types of cancer. With you at the start line, just imagine how far we can go.
Your entry fee covers the cost of your event, but your fundraising helps us save and improve lives. Join the celebration, join the family, and join the thousands helping to raise the money we need to power Cancer Research UK’s biggest discoveries.
Get set for your Race for Life event with t-shirts, hats and accessories for everyone.
Join the incredible team of volunteers who make our Race for Life events possible.
Explore our other Race for Life events taking place across the country. Choose from a 3k, 5k, 10k, Pretty Muddy® 5k or Pretty Muddy® Kids.
*Enter the code SPRING26 on the registration page to get 50% off your entry fee. Visit our Sales and Discount page for full terms and conditions that apply.