5am ice baths and a strict vegan diet: my year of living (very) healthily

This time last year, I was overweight, out of shape and run down. Could I turn my life around?

Walk yourself fit: how striding out could transform your body

You walk every day without giving it a thought, but what if you could unlock a better, fitter, stronger you?

Fit in my 40s: ‘‘I hate running. But I’m going to give it a go’

I just don’t like pain enough ever to have broken through its threshold

Action stations: 12 months of fitness holidays for 2018

Let this year be one of get up and go rather than fly and flop with our pick of activity holidays for each month – around the UK and abroad

From quitting smoking to getting out of debt: Guardian readers on the resolutions they kept this year

Ros feels fitter than ever at 71. Julia has found happiness. We asked readers how they ditched their bad habits and formed good ones – here are their inspiring stories

‘There is a thrill to seeing your stomach getting flatter’: why I run

Since I started trudging up hills and around parks four years ago, I have become healthier, slimmer and sunnier – and sometimes I even enjoy it

Fit in my 40s: welcome to Zuu, the animal-themed exercise regime that makes everybody look ridiculous

It’s incredibly hard and everybody else covers way more ground, whether as a sideways gorilla or a crawling bear

‘It’s part of the fun to suffer’: the people hitting the great outdoors this Christmas

Meet the river swimmers, paddleboarding Santas and others who won’t be spending Christmas on the couch

Fit in my 40s: ‘The instructor tells us that if we feel sick, we should look away from the screen’

I thought nothing could ever be as challenging as a spin class. Until I tried a virtual reality spin class

Fit in my 40s: ‘Never start thinking about ambulances during a workout class’

How long will it be before they let us leave? And will I still be able to walk?