He was pronounced dead on the scene at the Center Court Condominiums.
Merber added, "I was going to pick David up at the airport in a few days to come to my house like he does every September".
Before petitioning to compete for Peru, Torrence had run for the US in global competitions, winning a silver medal in the 5000m at the 2015 Pan American Games in Toronto.
His body was found in a pool in an apartment complex in Scottsdale, Arizona, on Monday morning.
Friends of Torrence took to social media to remember him. According to Merber, the race will be renamed to honor Torrence, who ran the race twice and is its current record holder for best time. According to Wikipedia, he held the American record in the 1,000-meter indoor race.
Torrence grew up in California. Aden is now under arrest in Spain facing charges related to doping.
He was outspoken about how his sport should treat athletes who were implicated in doping. "Detectives learned that there were no obvious signs of foul play", noted Sergeant Ben Hoster of the Scottsdale Police Department.
On Twitter, USA Track and Field described the news as "devastating", while New Zealand's double Olympic medallist Nick Willis wrote that "nobody was more dedicated to their running" than Torrence.
It will be up to the Maricopa County Medical Examiner's Office to determine exactly how Torrence died.
Torrence was born in Okinawa, Japan, and was raised in the United States.
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