Before World War II the club's biggest success was winning 1st place in the West Morava district league in 1934.
After a break during World War II, the club started up again and in 1946 played in the qualifications for the Yugoslav First League against Red Star Belgrade but lost.
However, Dutch giants Ajax denied Borac entry into the group stage by defeating them twice, 1–4 in Belgrade and 0–2 in Amsterdam.
On 2 August 2014, Borac for the second time in their history played a night match under floodlights, defeating Metalac 1–0 at the reconstructed Čačak stadium.
[2] In 2018–19 Serbian First League, Borac had yet another turbulent season, barely escaping the relegation zone in the last round of the competition, following the win over Novi Pazar and Bečej's loss to Trajal.
Before the World War II the main coach was the former BSK Belgrade and national team player Dragomir Tošić.
After 1945 the main coaches were Ivan Stevović, Dragoslav Filipović, Prvoslav Dragićević, Kosta Tomašević, Živorad Stanković, Vasilije Šijaković, Gojko Zec, Dragan Bojović, Momčilo Ilić, Žarko Nedeljković, among others.