[2] Elma is one of the foremost track and field athletes produced by the Philippines under the Marcos regime's National Sports Program, Gintong Alay, that was launched in 1979, but was eventually disbanded in 1986 after the ousting of Ferdinand Marcos and replaced by the Philippine Sports Commission (PSC) in 1990.

[3] Muros-Posadas won a total of 15 gold medals in the Southeast Asian Games,[4] a record number in the athletics competition which she jointly holds with Jennifer Tin Lay of Myanmar.

Elma's life and a combination of many provincial athletes and their lives and struggles were portrayed by Maja Salvador, who won Best Actress in the 30th Luna Awards played the titular role for Thelma.

On April 23, 2017, Elma received the first-ever Palarong Pambansa Lifetime Achievement Award during the national games’ opening ceremony.

[2] In early 2017, Muros along with former boxer Onyok Velasco was tasked by the Philippine Sports Commission to aid the country's grassroots program.

[14] Elma is married to George "Jojo" Posadas, an Ilonggo coach of the Philippine athletics team with whom she has a daughter and a son.

Muros-Posadas took a break from sports, opting to skip the 1992 Olympics in Barcelona, Spain due to her first pregnancy and the birth of her only daughter.

In later years, Klarrizze pursued basketball and received a full athletic scholarship in the Ateneo De Manila University.