Marathon

Aaron Crook estimates he got 11 hours sleep in seven days as he trekked 620 kilometres across the Arctic Circle to win one of the world's toughest races.

Australians are using wearable technology more than ever to keep fit, and for those living in remote and regional areas it has brought the gym to their doorstep.

Uganda's Jacob Kiplimo made the most of perfect conditions in Barcelona to take 48 seconds off the previous world record, the largest jump in history.

Thousands of social media followers are trying out the hybrid training model, but experts say the intense training style can be harmful, if not done correctly. 

Athletes competing and training in hot, humid climates are faced with a different set of challenges, and with a warming climate, experts say learning to adapt is key.

Adelaide's Aaron Crook is the sole Australian among 11 global competitors who will race each other 620 kilometres in temperatures as low as -50 degrees Celsius across the Arctic Circle.

Fifty years after his father Des first completed the Derwent River Big Swim, Michael "Murph" Renford has tackled the 34-kilometre ultramarathon event. The 63-year-old completed the swim in just over 7 hours and raised $52,000 for charity.

Late last year a Bendigo school teacher broke the Australian marathon record. Mike Lorigan caught up with him in his hometown of Bendigo.

Marathon running is now the sport of choice for thousands of ordinary Australians, with hundreds of run clubs springing up across the country.

School teacher Andy Buchanan learned a lot to become Australia's fastest marathon runner, but a powerful lesson came from a former AFL player in his classroom.

The surfboat event starting today on the NSW south coast is not for the faint-hearted, with the seven-day race from Batemans Bay to Eden said to be the longest and toughest of its kind in the world.

Andy Buchanan, a late replacement for the Paris Olympics, took over a minute off the previous Australian Marathon record on a fast course in Valencia, while Izzi Batt-Doyle ran the third-fastest time by an Australian woman in history.

The King of the Hill ultramarathon race is designed to psychologically and physically push athletes to their absolute limit.

The milestone follows a three-year candidacy period and a record-breaking Sydney Marathon a few weeks ago where 25,000 runners participated.

United by grief, Greg Ireland and Magda Pearce are running the New York Marathon in honour of their children who were murdered at a property in SA's south east in 2020.

Four years after Greg Ireland's daughter and Magda Pearce's son were murdered at a rural SA property, the two parents have picked up a torch for their children, and will be honouring their memories in this weekend's New York Marathon.

Yomif Kejelcha cut it fine, but was still able to shave a single second off the world half-marathon record.

Nedd Brockmann's 1,600-km run has broken him down physically. But the 25-year-old former sparky said it has all been worth it.

Reece Edwards had enough saved for a house deposit when he was 20, but spent the money on other experiences instead. While some might see that as a "financial disaster", he has a different take.

Cancer patient John Timms is among those competing at a six-day ultramarathon festival in Adelaide this week, having already taken Australian world records in 2023 and 2022.