Kerri ran a very popular Buggy Bootcamp in Hyde Park in London.

You can find her glowing reviews on Netmums and Facebook, as well as below:

i have found kerri and her workouts to be so fun and motivational. i feel stronger, leaner, (almost back to pre-baby weight!), fitter and healthier. the regular healthy eating challenges are also a boost. not only have i made some great friends, had some great laughs and shared baby tips along the way, but i love that her classes are hard work, it's so worth it. thank you kerri!

-- carley h, perth, australia

thank you for doing what you do! my mornings are far more interesting and productive since we started coming. your energy is contagious :-)
-- suzanne
thank you for a lovely class today kerri and a very good wake up to a tired me this morning – feel much better for it!
-- carla
your classes have the magic touch – kaden is still sleeping after all the fresh air. he has never napped for this length of time and i haven’t eaten lunch/showered in peace and quiet in 6 weeks.
-- molly
thanks so much kerri. it has been such fun the last 2 weeks and such a successful and thorough work out – thank you. and i love the challenges too!
-- ariel
it was a lovely work out, i really enjoyed. you have a great little business and your passion and enthusiasm really shines through.
-- caren
you’re a brilliant instructor and everyone loves you and the classes. i’ve been fighting a cold this week (my immune system is shot to pieces at the moment) and i felt vivacious on tuesday after class that’s down to you. thank you, you’re ace!
-- joanna
i have really enjoyed your class, you are such a great instructor and the ambience with the other ladies and little ones is great. this is exactly what i was looking for; good exercises whenever possible outside and lovely people:-)
-- rachel
i wanted to send you a message to thank you so much for helping me to get fit, introducing me to some lovely young mums and have a reason to get out of the house. you are such a lovely, positive person and i am so glad our paths crossed. i honestly feel like your classes have made a difference to my strength, energy and general mood.
-- diana
thank you for fantastic workouts! a large part of me feeling ready to cross train is due to your help and encouragement :) i’m in for the fall fitness challenge!
-- katy
there are two realizations i have come to recently of why i really love this group (among many, many others): 1) kerri is amazing at what she does and motivates without antagonizing or patronizing, something that i have rarely encountered in all my years cross training and 2) every time i worry about "am i doing this wrong" with killean, it is such a relief having this group as my 'mummy litmus test'; everyone is always supportive with positive comments and suggestions. thank you kerri for running such a great group!
-- katy d
i am now with carsten and carl on holiday in mallorca and thanks to you and bbc able to wear a bikini and feel good in it(actually i am down 1kg more than before pregnancy !) looking forward to see you in september.
-- nicole
i have been attending kerri’s buggy boot camp for the past six months and both myself and my son are absolutely loving it! it’s a fantastic place to get fit, meet other new mums, and let the babies socialise together. kerri is more than just an exercise instructor. as well as providing exciting, invigorating and varied workouts three times a week she has a holistic approach to the class setting optional extra ‘challenges’ including nutrition programmes. with kerri’s guidance and support i have lost a whopping 33kg - just two more to go!
-- kim h
kerri, you are awesome! thank you. i cannot tell you how much i enjoy your classes and how inspiring i find you. thank you for keeping all of us healthy and sane.
-- ariel s
i can't head back to the office tomorrow after a year of maternity leave without thanking kerri mcgowan holland. so many of us wouldn't have survived 2013 without the sessions that you lead and your endless support. and, to the original buggy bootcamp hyde park crew (you know who you are!), this year wouldn't have been the same without you. you are amazing mums and friends.
-- molly r
*results may vary
-- *results may vary