Ramirez, who lived with his mother and brother in south Fort Worth, was found just after 11 a.m. He went to the track while waiting for the laundry to finish.
Ramirez's mother, Maria Martinez, said her son had a heart condition. She said he had plans to study engineering in college and that he loved to cook.
The Tarrant County medical examiner has not yet ruled on Ramirez's cause of death.
Visitation is planned for 2 to 8 p.m. Tuesday at Amalla Funeral Home, 5210 McCart Avenue. A rosary is scheduled for 7 p.m. The funeral service is scheduled for 10 a.m. Wednesday at Immaculate Heart of Mary Catholic Church, 100 E. Pafford St., with burial planned for Greenwood Memorial Park.