The family of 16-year-old swimmer from Timperley, who was found dead in her bed, have have paid tribute to her, saying they will always remember her smile.
Chloe Waddell had been tipped for the 2016 Olympic freestyle team.
Police say her death is not suspicious.
The parents of Chloe Waddell reportedly tried to revive her after finding the swimmer unconscious at their home in Timperley.
– David and Fiona Waddell, Chloe's parents
We are devastated. Chloe was exceptionally outgoing, extremely popular and had a wonderful smile - she was always smiling at all times and she had a kind word for everybody at all times. "There was never a dark day for Chloe, everywhere she went she had lots of friends. She was charming and polite, accepting and encouraging. "She worked incredibly hard. She loved swimming, she was very focused on it and she wanted to go as far as she could. She was also bright academically, everything she did she gave 100 percent. We are very proud of her.
– James Stannard, Swim Trafford's head performance coach
We are deeply saddened and shocked by the loss of Chloe and as a small squad, this news has rocked us.
British Swimming has sent its condolences to the family and friends of 16-year-old British Olympic hopeful Chloe Waddell, who was found dead in her bed at the weekend.
The teenager from Altrincham had been selected to attend British Swimming talent camps and had been tipped for the 2016 Olympics team in freestyle races.
Chloe took part in the London 2012 Olympics trials last year where she competed against Rebecca Adlington.
– British Swimming statement
British Swimming sends its thoughts and condolences to the parents, family, friends and team-mates of Chloe Waddell following the news that the Swim Trafford swimmer passed away on Sunday morning.
"Sixteen-year-old Chloe was one of the squad's most promising young stars and had gone from strength to strength since joining the squad several years ago."
A rising swimming star has died in bed at home in Greater Manchester just hours after she won her latest accolade.
Schoolgirl Chloe Waddell, 16, went into cardiac arrest on Sunday morning and despite efforts from an ambulance crew to save her she was pronounced dead in hospital.
Tipped to be part of the GB squad for the 2016 Olympics in Rio de Janeiro, Chloe had been presented with an Outstanding Achievement Award for swimming just the day before.