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Pretty Muddy is the perfect obstacle event for everyone, no matter your ability it is all about having a great time with friends and family and supporting a great cause. Climb, crawl and slide your way to beating cancer.

How to enter the Pretty Muddy Race for Life – York

  1. 5K

    Run 5km
    Event passed
  2. Kids

    Run 5km

Pretty Muddy Race for Life – York routes


The 5k course is a flat single lap course using both the Knavesmire and the perimeter track of the racecourse. The terrain is a mixture of grass and tarmac pathways with lots of mud and obstacles.

How long does it take to complete the course?

The obstacles vary at each event so we can’t say exactly how long it will take, but most people will finish in about an hour.

Remember - our events aren’t competitive so there is no pressure to finish in a certain time.

Event Details

What’s Included
  • Toilets
  • Bag drop
  • Refreshments
  • Parking
  • Water
  • Marshals
Raceday Logistics


The start line is on the Knavesmire close to the racecourse track. Once you have parked up, please make your way down across the large grass area of the Knavesmire.


Don’t forget your info - Remember your backsign and Race number – and don’t forget safety pins so you can attach your sign and number to you.


Please arrive 45 minutes before the start of the event.

Pretty Muddy events are in waves, each starting 15 minutes apart to make sure everyone on the course is safe. If you enter as a group, make sure you all enter the same wave as you cannot move waves once you’ve signed up.

Race start time - 10:45 am

Kit List


Think comfortable clothes and trainers. Bring spare clothes and towel


We’re trying really hard to reduce our single-use plastic consumption at Race for Life this year. We’re happy to provide bottles of water to those who need it, but if you can bring your own reusable bottle of water, already filled, that’d be great!

In our efforts to make Race for Life as sustainable as possible, we’re looking into water-providing solutions that are both cost-effective for the charity, and environmentally-friendly, by using as little single-use plastic as possible.

Covering up will protect your skin - don't forget your hat and sunscreen too.


This is a great spectator event. There are plenty of great viewing points to support your friends, family and loved ones from.

Our events couldn't happen without our amazing volunteers.

We're always on the lookout for folks to help at our events. If you know any lovely people joining you on the day who can offer a spare pair of hands, then why not suggest they volunteer? It’s also really fun!

Please follow this link to volunteer -

How to raise money?

Your entry fee can't beat cancer. Only you can. Did you know that paying your entry fee helps us cover the cost of putting on your event? But it doesn’t stop there – the money raised by you is what helps us save lives.

Set up your Cancer Research UK Giving Page - the easiest way to collect donations! -

Get fundraising tips - check out our helpful guides packed full of fundraising ideas -

Is there an age limit for the adult event?

Due to the nature of this event, you must be 13 or over to take part

What is not allowed at this event?

No dogs allowed, not suitable for pushchairs and not wheelchair accessible.

Are there showers?

No showers, lockers or changing facilities - Why not ask friends to look after your valuable belongings – and don’t forget some clean clothes and an old towel.

Do you have to do every obstacle?

Of course if you really can’t do it, our Pretty Muddy marshals will help you skip on to the next one.

Can you enter as a group?

To take part you can enter as an individual or a group. If you'd like to take on Pretty Muddy® with a group of friends and family then we have all the information you need.

Pretty Muddy Race for Life – York weather forecast

Partly cloudy throughout the day.

Predicted highs
Predicted lows
IconLight breeze possible, up to 6mph

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