Britain's Alistair Brownlee was disqualified from the World Triathlon Series Grand Final when Mario Mola won a third consecutive world championship title.
Brownlee, 30, was initially penalized in Australia with a 15-second penalty for not buoying a buoy while swimming.
This was then upgraded to a disqualification, and although he continued to compete, he did not appeal the decision after the race.
The Spaniard Mola finished second behind France's Vincent Luis to win the title.
"The hardest swimming I have ever done"
Alistair Brownlee and his brother Jonny did not fight for the world title for the final race of the year.
Jonny finished eighth as Best Brit, while compatriot Thomas Bishop finished 22nd.
"I'm really disappointed," said Alistair. "I thought I had a decent race in me.
"It's my first DQ in any sports event, I was on the wrong side of the buoy and I saw it on video.
"I was disoriented after being hit and kept under water in the hardest bath I've ever made."
Mola has won four of the eight races of the season on the way to the title.
"It was a great season and I am very happy with how it went," said Mola, 28.
"I could never imagine having three titles, it's incredible."
|1. Mario Mola||Spain||6081|
|2. Vincent Luis||France||5060|
|3. Jacob Birtwhistle||Australia||4884|
|4. Richard Murray||South Africa||4792|
|5. Kristian Blummenfelt||Norway||3936|
|6. Fernando Alarza||Spain||3520|
|7. Henri Schoeman||South Africa||3438|
|8. Pierre Le Corre||France||3215|
|9. Tyler Mislavchuk||Canada||3194|
|10. Marten Van Riel||Belgium||2960|