Usain Bolt said he had no regrets after Justin Gatlin ruined his farewell party in the 100 metres final at the World Championships in London on Saturday night.
Gatlin – booed throughout by the crowd after two previous doping bans – won in 9.92 seconds, while Coleman came in second at 9.94secs and Bolt third in 9.95.
The crowd were left disappointed in what the 30-year old Bolt had said would be his last track meet as he intends to retire at the end of the championships, but the eight-time Olympic champion said the loss would change nothing.
"No regrets. I came out and did my best, I was always to end no matter what happened – win, lose or draw I was always going to walk away," he said.
"It doesn't change anything in my career, I have done everything I can do for the sport and for myself. It's time to go.
"I lost the race to a great competitor, I came third to a young kid coming up – he has a great talent and a great future ahead of him.
"No matter what happened this season I was going to come out and do my best. I did it for the fans, they really wanted me to do one more season.
"I worked hard, I'm definitely disappointed. No one is going to be happy they didn't win but I knew I came out here and I gave my all."
Bolt was aiming for a fourth 100m world title, but suffered another terrible start.
He had criticised the blocks after poor starts in his heat and semi-final, but the IAAF said the blocks were exactly the same as in Beijing two years ago.
Bolt recovered from his start, but could not catch Gatlin or Coleman – the fastest man this year.
"That was the only thing, after the semi-finals, I ran the semi-finals with Coleman, and I knew if i didn't get my start I was going to be in trouble," he said.
"That's it, I knew it. When I left he blocks I was like 'ahhh'. I knew I had to try so I came out and tried my best but it wasn't good enough.
"I don't know what to say about my start, this is the first time in a championships I've gone through and it's been so poor. I was going through the mixed zone and looked at the start and my reaction was 0.183.
"It shows I was way off. I knew from the start if I didn't get in to race I would be in trouble. I try not to blame one thing. I came out and gave it my best and it wasn't good enough."
Bolt was magnanimous in defeat to Gatlin, who was previously banned for doping violations in 2001 and 2006.
"For me, over the years, he has done his time, if he's here then it's okay. I will always respect him as a competitor,” said Bolt.
"Over the years he has worked hard and he is one of the best I have competed with. I know if I don't show up he's always going to win and he showed up.
"He deserves to be here because he's done his time and he's worked hard to get back to being one of the best athletes.
"He is a great competitor. I've always said that about Justin Gatlin. You have to be at your best and I wasn't and that's what I respect about him because he competes and I really appreciate competing with him.
"He's an excellent person, as far as I'm concerned. He's good at it and just a good person."