Two-time Olympic decathlon gold medallist Ashton Eaton has announced he will to retire from competitive action with immediate effect.
Eaton burst onto the international scene at the 2011 World Championships when he won silver behind United States team-mate Trey Hardee, the first of his three medals at the Worlds.
A year later he began to set the benchmark in the 10-discipline event as he broke the world record at the Olympic trials for London 2012, where he claimed his first decathlon gold, the 24-year-old cruising home by 198 points from Hardee.
More gold came his way in at the World Championships in 2013 and 2015, and he successfully defended his Olympic crown in Rio last year, breaking his own Olympic record in the process.
With a glittering career behind him Eaton has opted to step away from athletics, saying: "Frankly there isn't much more I want to do in sport.
His wife Brianne Theisen -Eaton has also announced her retirement.