Dania Aguillón gained her first international experience in 2015 at the Pan American Junior Championships in Edmonton , where she was eliminated in the first round of the 200-meter run with 24.55 s. The following year, she was eliminated from the U23 NACAC championships in San Salvador over 100 and 200 meters in each run. At the Summer Universiade 2017 in Taipei , she reached the semi-finals over 200 meters, in which she was eliminated with 24.33 seconds. In addition, she won the silver medal behind Poland with the Mexican 4-by-400-meter relay in 3: 33.98 minutes and was fourth in the 4-by-100-meter relay in 44.79 s. Two years later she arrived at the World Student Games inNaples over 200 meters again in the semifinals, in which they were eliminated with 23.78 s. In addition, she won the silver medal again with the 4-by-400-meter relay in 3: 32.63 minutes, while she again came fourth with the 4-by-100-meter relay in 44.82 seconds.
In 2019 Aguillón became the Mexican champion in the 100 and 200 meters.
Personal best
100 meters: 11.61 s (0.0 m / s), May 31, 2019 in Chihuahua
200 meters: 23.38 s (+0.8 m / s), May 7, 2017 in Monterrey