Bizarre odyssey from icon to ignominy a cautionary tale for our times

Sophie O’Sullivan is following in her mother’s running shoes – we find out if the genes we inherit really matter in sport

The legendary American and Grant Hackett share much more than swimming greatness

Hopefully things won’t go awry and the Dubliner will emerge unharmed from fight

Shane Ross needs to back the new OCI leadership for the sake of the athletes

Jordan Spieth rallies late on to keep his Grand Slam hopes in sight

Viewers were angry with the results of ‘Phelps vs. Shark: Great Gold vs Great White’

Modern sport thrives on flogging shortcuts to success, but golf has honed it to a fine art

Keith Duggan’s sports review of 2016

Despite training sessions and three triathlons, I was still a slow swimmer so I signed up for a Total Immersion workshop

American captain unperturbed by previous bad record in that format

‘I don’t need to prove anything. What else can I do to prove to the world I’m the greatest’

Each day, it seemed, the headline sporting acts were overshadowed by headlines away from the action

She came into these games carrying the hope and expectation of all gymnastics fans

App mounts challenge to frontrunners Facebook and Twitter

The all-time greatest Olympian helps his team to 4x100m medley title in Rio

When Michael Phelps, Jennifer Aniston and Victoria Beckham took up the practice our intellectual centre of gravity shifted a few clicks back towards the Stone Age

Just outside world record time - the American cruises to win 200m individual medley

Greatest Olympian ever last night brought gold medal tally to 21 in 200m butterfly

American superstar wins 200m butterfly before anchoring USA in 4x200 freestyle

Baltimore Bullet completes fastest 100m freestyle leg of his life in relay

Large purple circles on his back and shoulder come from new form of ancient massage treatment

19-year-old obliterates world record while Phelps secures a staggering 19th gold medal

Not all competitors will get lucrative contracts after putting in the performance of their lives

Golfer responds to Paddy Barnes and Michael Conlan tweets about his absence

Teenager who stunned London in 2012 looks set to dominate in the pool in Rio

Budget overruns, ‘proud sponsors’, sportswear battles and other ‘stuff that matters’

Main dangers are cramps, heart attacks and head-crunching collisions with the wall

Dark shadows are being cast over Rio, but there’s still something magical about the Olympic Games

Even prayer will not diminish the doping record of former Olympic gold medalist

American becomes first male swimmer to qualify for five Olympics

Veteran of London Olympics focused on renewing her pentathlon dream in Rio

The coming Olympics will showcase the talent of perhaps the best gymnast ever seen

Most decorated Olympian of all time over his addiction problems and targeting more gold medals

World Games kick off on Saturday with 7,000 athletes competing from 177 countries

Impact Journalism Day: A young Iranian is flying high with lifeguard drones

‘I’m perfectly imperfect. I’m a human being. If I have all this energy and I’m annoying, too bad. That’s who I am’

Phelps finishes back in 17th place at the Arena Pro Swim Series in Arizona

18-time Olympic gold winner has returned from six-month suspension for drink driving

Olympic gold medalist’s decision should spark interest in transgender rights