Home > Fitness > Sport > Running Running All sections in Fitness » Exercise » Getting started » In the gym » Lifestages » Sport » Sports injuries » Running » Rugby » Walking » Cricket » Soccer » Cycling » Sports nutrition No amount of running is too hard on your heart A new study found that while experienced runners pushed their heart limits during an ultramarathon, they did not show evidence of cardiac risk assessed through elevated biomarkers. take a Flexibility test » Receive Health tips » Ask Fitness Expert » Join Health24 on Facebook » 10 minute bikini-ready workout Why you need strength to run Not another weight-loss story – how running is changing my life, one stride at a time Running can literally transform lives. For Marelize Wilke, this journey affected her in many ways that had nothing to do with weight loss. The steps I'm taking taking to get marathon-ready (and they don't involve running!) It’s that time of the year again! Marelize Wilke, Health24 writer, is attempting her second marathon. But besides upping her mileage, there are a number other things she's focusing on. 'My daughter's passing inspired me to start running' How this woman's daughter's death changed her life. Marathons can tax amateurs' hearts With the growing popularity of long-endurance races, research findings suggest that running shorter races might reduce the strain on the heart. Four-time Olympian Hendrick Ramaala’s advice on breaking limits Breaking limits and becoming a four time Olympian is no easy feat. And Hendrick Ramaala did it all without a coach. Here's how. This is the exact percentage road running beats treadmill training The ease of running inside comes with a price. Mo Farah speaks marathon training, sacrifices and his lasting legacy "If it fails, then it's not your day, you move on. It's not the end of the world." 7 strange things that happened to my body during my first marathon Earlier this year, Health24 writer Marelize Wilke ran her first ever full marathon. She tells us about the effects it had on her body. COMRADES: What happens to your body during an ultramarathon? Today 20 000 people will try to complete one of the most gruelling running events in the world. Here's what happens to your body during an ultramarathon. load more articles advertisement Live healthier Heart health » 5 women share exactly what it feels like to have a heart attack 'I felt like I had a pill stuck in my throat.' Diet & Nutrition » 8 benefits of gherkin juice that will make you want to drink some ASAP Goodbye, salt craving.