Mayhem Fitness MK

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Mayhem Fitness MK has a varied timetable of fun and sociable outdoor sessions. From bootcamps and running classes, to cross-fit style circuits classes combining strength training with general fitness, you can enjoy all the benefits of indoor training in the outdoors at Furzton Lake, Campbell Park and Willen Lake North.

Whatever your age, or level of fitness, Mayhem Fitness MK has the right workout for you and your goals. Sessions are delivered by instructors who are passionate about what they do and who are ready to inspire, motivate, support, encourage and challenge you at every step of your fitness journey.

Book a session at, or follow Mayhem Fitness on facebook, and discover just how much fun you can have getting as fit as possible.

Don’t just get fit, get Mayhem fit!

  • Fitness Groups & Clubs make up 72% of events & activities held in our parks

  • Did you know we have a club at our BMX track who host training and events throughout the year?

    BMX Track...
  • Did you know we have 3 Trim Trails in our parks?

    Find out more...
  • Did you know we have licensed fitness instructors who operate in our parks?

  • The Parks Trust hosted over 230 events and activities in their parks in 2020

  • Did you know we have upgraded the Fitness Trail around Willen Lake South?

    The new calisthenics equipment is designed to utilise the users own weight to maximise their workout, using angles and height to vary the intensity of the workout.

    Click here to find out more......

Discover our parks

  • Furzton Lake


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    Furzton Lake’s open views make it a popular choice for joggers, cyclists and walkers. Created to act as a basin for floodwaters during rainy spells, the lake has matured into an easily accessible and peaceful oasis for local residents, office workers and wildlife.

  • Campbell Park


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    Located at the heart of Milton Keynes, Campbell Park hosts many of Milton Keynes’ major festivals and events. Its imaginative mix of formal gardens, water features, woodland and open pasture mean it’s an ideal spot to enjoy the changing seasons.

  • Willen Lake North


    Willen Lake North  - Park Image.jpg

    Willen Lake North is home to one of Milton Keynes’ best-known landmarks, the first Peace Pagoda to be built in the western world - and to a rich and varied bird population.