Unione Rugby Capitolina won two U19 national championships: in the 2002–2003 season, winning against the rivals of Lazio-Primavera Rugby in the final held at Stadio Flaminio; and in the 2007–2008 season, drawing 14–14 with Benetton Treviso and winning 2–1 at the shoot-outs in Fontanafredda (PD).

The team also won a U.17 national championship in 2006–2007 in an intense final played against Petrarca Padova.

In 2011 the Club won the fourth national championship, this time in the U.16 category, beating Rugby Rovigo.

1998 is the year in which the Club moves to its own establishment in Via Flaminia and inaugurates the seniores team, mainly composed of friends and newcomers.

The First XV activities were brought forward by a 4th division team composed only of Members of the club, the former "ControProgetto".