The runner who died in Cardiff’s Half Marathon on Sunday has been named as Nicholas Beckley.
Mr Beckley, 35, suffered a cardiac arrest and received instant attention in the medical centre at the finish line.
He died in hospital after being taken to the University Hospital of Wales in Cardiff.
Mr Beckley worked as a senior planner at Cardiff Council and was a former Cardiff University student. He had run the race twice before and was a regular runner and football player for Cardiff club Cosmopolitan FC.
Mr Beckley’s brother, Andrew, described him as “a true gentleman who will be sorely missed and always loved by all”.
Cosmopolitan FC also paid tribute to Mr Beckley on social media.
Writing on Twitter, it said: “Yesterday we lost one of our own.
“Nick Beckley will forever be known for his kindnesses, energetic spirit and love for his family and friends.
“Today and everyday going forward we send our love to his family and friends.
“A truly wonderful man, friend, and brother. Rest in peace.”
Matt Newman, chief executive of Run 4 Wales, said: “The thoughts of everyone connected with the race are with Nick’s family and friends at this difficult time.
“The medical team and emergency services reacted with great speed and professionalism to his collapse on the finish and he received specialist medical care within a minute of finishing.
“We will remain in close contact with the family and will continue to support them in every way we can.”
Mr Beckley’s family are now raising money in his memory for the mental health charity Mind.