During this period, the leaders of the team were: Teofil Copaci, Grigore Grigoriu, and Bozie Codreanu; other players included Stănică, Tudor, Molnar, Ștefănescu, Foran, Leoveanu, Constantinescu, Fetzko, Georgescu, Albert, Block, Filip, Itu I, Itu II, Pîrvulescu, Cichi, Schileriu, Svetcovschi, Oros, Ujlaki, Pop, Dobrescu I, Kelemen, Vlaiculescu, Ispas, Vintilescu, and Petrovici.

In the 1950 season Rapid became Locomotiva, a name much closer to the Soviet version, Lokomotiv, a change imposed on all the teams that belonged to the Romanian Railways, but the Giuleștenii finished again in 2nd place.

However, "The White and Burgundies" returned after only one year to Divizia A, following a good showing for the team, including a 4th-place ranking at the end of 1956, only 5 points behind 1st place (CCA București).

In 1961, Rapid reached the final of the Romanian Cup, where they lost to Arieșul Turda, 1–2, with Nicolae Georgescu scoring in the 24th minute for the "White and Burgundy".

At the end of the 1973–74 season, the "White and Burgundies" finished 16th, with the same number of points as Jiul Petroșani, but this time the club from the Jiu Valley would win because of higher scores.

[4] After these poor performances, the 1988–89 Cupa României season saw the "White and Burgundies" gaining the semi-finals of the competition, when they were eliminated by Steaua București, 2–3, with a decisive goal scored in the last minute.

After the 4th-place finish at the end of the 1993 season, Rapid returned to the European Cups after 18 years of absence, but was eliminated in the first round by the Italian side Inter Milan, 1–5 on aggregate.

The next season, with Viorel Hizo as the new coach, Rapid made another good run and finished 3rd in the league, and lasted two-rounds in the 2001–02 UEFA Cup: a lopsided 12–0 on aggregate victory over Atlantas, followed by an unexpected 0–0 tie, at Parc des Princes, against PSG, losing in the second round 0–1, by a goal by Aloísio in the 93rd minute.

[19] On the other hand, "the Railwaymen" won their 11th Romanian Cup, after a final in which they registered a 2–1 victory against Dinamo București, with goals scored by Marius Măldărășanu and Daniel Pancu, and with Mircea Rednic as the new coach.

The squad was coached by Mircea Rednic and was composed of the following players: Ionuț Curcă, Emilian Dolha, Răzvan Lucescu, Boban Savič – Nicolae Constantin, Adrian Iencsi, Vasile Maftei, Dănuț Perjă, Răzvan Raţ, Florin Șoavă, Ion Voicu – Valentin Bădoi, Roberto Bisconti, Emmanuel Godfroid, Nicolae Grigore, Róbert Ilyés, Ioan Sabău – Florin Bratu, Daniel Niculae and Robert Niță.

Starting under coach Mircea Rednic, continued with Dan Petrescu, and ending under Viorel Hizo, Rapid finished 3rd, 15 points out of 1st place, which was held by Dinamo București.

Rapid had the best European season in the history of the club, starting from the first round of the competition, qualifying for the first time for the group stage, and only being eliminated in the quarter-finals.

[21] The squad in the 2005–06 European campaign was coached by Răzvan Lucescu and included the following players: Dănuț Coman, Ionuț Curcă, Apoula Edel, Mihai Mincă – Marius Constantin, Nicolae Constantin, Vasile Maftei, Dănuț Perjă, Marius Postolache, Ionuț Rada, Adrian Rusu, Ionuț Stancu – Valentin Bădoi, Emil Dică, Gigel Ene, Nicolae Grigore, Artavazd Karamyan, Marius Măldărăşanu, Valentin Negru, Romeo Stancu – Mugurel Buga, Lucian Burdujan, Viorel Moldovan, Daniel Niculae, Daniel Pancu, and Ciprian Vasilache.

In the UEFA Cup, they were constant participations, with another group-stage presence in the 2006–07 season, but finishing 4th, in a group with PSG, Mladá Boleslav, Hapoel Tel Aviv, and Panathinaikos, missing qualifying for the semi-finals.

After the 2007–08 season, the financial situation of Rapid was complicated, partly by the criminal conviction of the owner, George Copos, on charges of tax evasion, illegal transfers, and misuse of the lottery.

Still, the team had a last burst of success in the 2010–11 and 2011–12 seasons, when, under coaches Marius Șumudică, Marian Rada, and Răzvan Lucescu, they achieved two consecutive 4th-place rankings, with a new presence in the UEFA Europa League.

After two rounds had already been played, on 2 August 2013 the Court of Arbitration for Sport (CAS) decided that the organization of the play-off match was irregular and Concordia must remain in the top league, Rapid being relegated.

The money for the fee was eventually donated by club supporters, and CAS admitted the appeal, forcing the Romanian Football Federation to grant Rapid a license for the Liga I season.

In the meantime, the club was bought by Valerii Moraru, a Moldovan businessman; but under coaches Ionel Ganea, Marian Rada, Cristian Pustai, and Cristiano Bergodi, the team had a very weak season, finishing only 16th, out of 18, and being relegated back to Liga II, for the seventh time.

[27] Back in Liga II, with Dan Alexa as a coach, Rapid had a solid season, despite the fact that debts suffocated the club; and the under-funding by the new owner did not help.

[29] In summer 2016, after it became clear that the team could no longer be enrolled in the championship, the idea of setting up somewhere in the lower leagues appeared, more exactly, in the Bucharest Championship, Liga V. A split between the supporters and the people directly involved in the club appeared, resulting in two new clubs, AFC Rapid București and Mişcarea Feroviară CFR, after initially not less than four teams had been announced; but most of the projects did not survive.

So, in summer 2017, at the initiative of Sector 1 Municipality, the sports association, Academia Rapid București, was set up and enrolled in the Liga IV – Bucharest series.

These were chosen by Teofil Copaci, Grigore Grigoriu, Dumitru Constantinescu, Géza Ginzer, Tudor Petre, and Franz Hladt, who founded the club.

In June 2016, the company SC FC Rapid SA was declared bankrupt by the Bucharest Court and the ProRapid base entered a period of continuous deterioration.

The first waves of new fans came at the beginning of the 1930s, when Rapid's legendary golden team won the hearts of many people delighted by their spectacular play and the consecutive wins of the Romanian Cup between 1935 and 1942 .

Later, others appeared such as: Maniacs, Brigada 921, Grant Ultras 06, Radicals, Torcida Visinie, Chicos del Infierno (CDI) 2005, Ultra' Stil, Legiunea Chitila, Devil's Gate, Granata Girls, SVRB, Colletivo, RHV, Original, Capitali, Legione Titan, and there were also groups in the provinces, in cities such as: Iași, Pașcani, Piatra Neamț, Zalău, and Târgu Mureș.

Over time there have been many conflicts between the two factions, and as a result, the members of Tribuna II groups left definitely, founding a new team, ACS Rapid-Frumosii Nebuni ai Giulestiului.

Rapid's most successful coach is Valentin Stănescu with whom Giulesteni managed historical performances, led the team when they won the Balkan Cup twice and the national championship in 1966.

As Rapid is currently one of the most popular football team in Romania, a good number of musicians, TV, and film directors have been inspired from ideas linked to the Giulesti-based club.

Rapid has a lot of supporters, many of whom are celebrities in Romania: for example Fărâmită Lambru, Maria Tanase, Dan Grigore, Horia Brenciu, Mircea Geoană, Ion Iliescu, and Nicolae Vacaroiu.