Career
She has a personal best of 4.51 m for the event – the second highest by a Cuban woman. She represented Cuba at the 2011 Pan American Games and the 2011 World Championships in Athletics. Born in Havana, Caballero began competing in the pole vault as a teenager and cleared four metres for the first time in 2007.
She improved to 4.25 m the following year in Havana in June.
At the Barrientos Memorial in 2009 she established herself nationally by finishing as runner-up to Yarisley Silva with a best of 4.30 m. The pair repeated that placing at the 2009 Central American and Caribbean Championships in Athletics in Havana, bringing Caballero a silver medal on her international debut.
She had a marked improvement at the beginning of 2011, vaulting 4.45 m, then 4.51 m in Havana. Two major international performances came towards the end of the season: she competed on the global stage for the first time at the 2011 World Championships in Athletics (performing in the qualifiers) and represented Cuba at the 2011 Pan American Games (finishing in seventh place).
Caballero competed on the European indoor circuit at the start of 2012 and set an indoor best of 4.42 m at the Extra Large Galan.
Outdoors she cleared 4.40 m in May and headed to Barquisimeto for the 2012 Ibero-American Championships in Athletics the month after to take her first international gold medal with a vault of 4.50 m. She was selected to compete for Cuba at the 2012 Summer Olympics alongside fellow vaulter Yarisley Silva. Outdoor
Pole vault: 4.51 m – Louisiana Habana, 25 February 2011
Indoor
Pole vault: 4.42 m – Stockholm, 23 February 2012.