About Us


Life fitness for mums, by mums™

We are MUM FIT LDN, or MFL to our mums! We are here because we want to transform the way mums and mums-to-be feel about health and wellness, and show them that being fit for all of life's challenges is attainable and in many cases just needs a slight adjustment of mindset. We were founded in London in 2017 and continue to grow in our reach and ambitions. Using remote training, we bring 'the gym' home to busy mums, where it's most accessible, most convenient and most cost-effective. Since we're mums too, we know all too well the juggling act of motherhood and do our best to accommodate you in one of our Group, In-Person or Remote Training streams - whichever suits you best! We can't wait to meet you and help you make that change towards a new, healthier you.

Sarah Campus, Founder


Sarah Campus is passionate about fitness, business, travel and her ever-growing family! Having been involved in sport all her life, including snow skiing, water skiing, swimming, hockey, netball and athletics, she is driven by enabling her clients to conquer their life fitness goals, through fun and dynamic exercise and nutrition programmes.

Sarah has experienced first-hand the benefits of keeping fit and active until the last stages of the pregnancy journey and believes emphatically that with the correct support, mums can feel energised and empowered throughout this life-changing and truly amazing experience. Now as a busy London mum, she has found that maintaining her health and fitness through home workouts and well-balanced nutrition, has enabled her to stay physically and mentally strong for all of life's new challenges.

A serial 'mumpreneur', Sarah is the Founder and Managing Director of West London's thriving SprinkledMagic, a corporate baking company which she started as a twenty-something year old back in 2010.

As well as being a successful businesswoman, she is a Level 2 and Level 3 qualified Personal Trainer and Gym Instructor, and has completed programmes in Exercise and Nutrition, Exercise Ante and Post Natal, Exercise for Older Adults, Bootcamps and Circuits, Advanced Fitness Testing, Indoor Group Cycling, and specialises in Ante and Post Natal, Weight Management, Core-Stability, Tough Mudder/Circuit Training and Abdominal work.

Sarah graduated from Nottingham University Business School and worked for several years in Marketing in central London, before breaking free from the corporate world and starting her own venture. She subsequently married a medical doctor who shares her passion for health and fitness, and has an academic background in sports science - a match made in heaven! And the rest, as they say, is history!

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