La Sansi has been dedicated, since 2007 and among other functions, to the promotion of sport and the organization of sporting events. It currently manages 17 events, both popular and international, with nearly 50.000 inscriptions a year and training sessions with 800 participants.
With athletes from more than 8 countries, La Sansi won 4 consecutive editions the absolute championship of Catalonia in cross country. A historic championship with 102 editions; the first was organized in 1916.
In year 2020 and in the midst of a pandemic, La Sansi organized different events, such as the Lloretrail which was the 1st race in Spain to present a prevention plan against Covid-19 and the 1st authorized by the Federation. The 42nd Race of Mercy in 2020 (pandemic year), was the race with the most participants with a pandemic in Spain in 2020 with 3.000 picks sold out. Of the 3 Sant Silvestres that were organized in Spain in 2020, 2 included La Sansi in the organization: The 41st Sant Silvestre del Masnou, which sold out its 900 picks in 2 days, and the Cursa dels Nassos de Barcelona with 1.200 picks sold out in 54 minutes.
In 2021 La Sansi was the 1st organization to establish the "vaccinatelete" card for athletes who were vaccinated. The Cursa de la Mercè on 2021 with 6.000 picks sold out, was the 1st big race in pandemic Spain, after 19 months.
For 9 years, La Sansi has been the technical director of the Cursa La Mercè de Barcelona (Limit 14.000 inscriptions), and since 2014 also the organization of the Cursa dels Nassos de Barcelona, last day of the year (11.500 inscriptions), in 2021 the 5 km world records were broken in the mans and women’s, still in force. La Sansi de Viladecans, 5 km Catalan championship, is added to the previous ones; the Papa Noel race (3.700 in 1st edition); also with the DT of the "Ponle Freno" race in Badalona (nearly 3.000 inscriptions) or also the Lloretrail, which in 2023 has been the Spanish championship Trail Running.
La Sansi has a database of close to 40,000 athletes, and apart from events, it also organizes talks and training for companies or organisations.
In 2023 La Sansi is one of the 4 European organizations and the only Spanish one, that the European Commission has awarded for a project of major sporting events at European level.