[1] At the 2018 European Athletics U18 Championships, Nacheva won silver in triple jump with 13.88m, behind Spaniard María Vicente with 13.95m.
[1] On 15 July 2018 she won gold in triple jump at the 2018 IAAF World U20 Championships, becoming the first Bulgarian athlete to win in the age group since Tezdzhan Naimova in Beijing 2006.
[3] On 16 October 2018 Nacheva won gold in triple jump at the 2018 Summer Youth Olympics in Buenos Aires, scoring a total of 27.62m in the two-stage final - 13.76m and 13.86m, respectively.
This meant that she had won a medal in each of the three major youth athletics events held during 2018.
[4] Nacheva received further recognition during the 2018 Bulgarian Sportsperson of the Year award ceremony held on December 20, after being ranked in 3rd place, after winner Taybe Yusein and runner-up Mirela Demireva.