Sprint King Usain Bolt revealed that his retirement from athletics is not something he has decided on just yet.
The Jamaican superstar initially revealed that he would retire after World Championships in London this year, but Bolt has cast doubt on that.
"We haven't fully made up our mind on what we're doing yet," the 30-year-old told BBC Sport.
"I'm not worrying about that until the World Championships or at least getting close to it. Right now, I'm just focused on getting through the season.
"I just like entertaining the crowd. I definitely want to try and enjoy every minute of it – it won't be the same sat in the stadium."
Bolt has committed to a shorter schedule at the world championships, opting out of the 200m, but will feature in the 100m and the 4×100.
The eight-time Olympic gold medalist is chasing the all-time record for the most decorated athlete at the World Championships, a title which is held by fellow Jamaican Merlene Ottey, who has 14 medals. Bolt is currently on 13 medals, 11 of them gold.
Meanwhile, Bolt is coming off a 100m win at the Golden Spike meeting in Ostrava, Czech Republic, on Wednesday. His time, a 10.03s, is his second consecutive race over the ten second barrier, something Bolt is not happy about.
"I'm not happy but I'm just getting into my running and have some training to do," he added.
"I'll be fine. I need to get checked over by my doctor and the coach will give me some training, so no worries."
The 2017 World Athletics Championships takes place at the London Stadium from 5-17 August.