There’s a long history of athletes pooing themselves mid-race – why, and how can you avoid it?

Since the ancient Olympics, athletes like Hyrox competitor Joanna Wietrzyk have experienced runner’s diarrhoea. What does the science say about extreme exercise’s ‘mechanical jostling of the intestines’?

Ultramarathon runners train for months, sometimes years. But what happens when they don’t finish a race?

DNF stands for ‘did not finish’ – the acronym no ultrarunner wants assigned to their race result. For amateurs, DNFing is loaded with emotion – but attrition rates are extremely common

Midlife is the perfect time to start trail running – here’s how to get into it

An increasing number of people are finding trail running relatively late in life – and they’re reaping the health benefits

‘A buff is so versatile’: running essentials for your first marathon – and what you don’t need

Inspired to run your first 26.2 miles? Seasoned runners share their go-to kit, from race-day shoes to free apps (plus five UK marathons you can still enter)

Running on empty: why are so many marathon runners so miserable?

One in four endurance runners displays ‘worryingly high’ levels of anxiety and depression, according to a study led by a man who has himself run more than 400 marathons. Isn’t exercise supposed to make you feel good?

Never past your prime! 13 peaks we reach at 40 or later – from sex to running to self-esteem

Ageing doesn’t have to mean slowing down. In fact, you’re more likely to win an ultramarathon in midlife, not to mention get happier, wiser and more body confident

Running marathons helped me write my novel

The sport helped with my tenacity, and my creativity too

A new start after 60: I ran a 100km ultramarathon at 70 – despite my arthritis

Ken Campbell says he never liked sport, but then one day he kept his wife company on a trail run and discovered the joy of being out in the wild

Run that marathon! Write that novel! How to make 2022 the year you finally smash your goals

Every year millions of us resolve to learn a new language, get super fit or master a new skill ... then never start. How can we make it happen? Experts explain all

Second act sensations! Meet the people who reached peak fitness – after turning 50

Rich started working out, Mags started running and Shashi started walking three times a day. It is possible to reach new goals as you get older and it is not only your physical health that benefits