In 2015, Bruk-Bet Termalica Nieciecza made history by securing promotion to Ekstraklasa, culminating years of the club's efforts to reach the highest level of Polish football. By the end of the 2014/2015 season, the Słonie team, under the management of coach Czesław Michniewicz, finished first in the I liga, amassing 72 points and guaranteeing the long-awaited promotion.

This achievement was immensely significant not only for the players but also for the fans and the entire Nieciecza community. For a small club, whose history dates back to 1921, promotion to Ekstraklasa was a dream come true and a testament to the fact that hard work and dedication can yield tangible results.

It is also worth noting that Bruk-Bet Termalica Nieciecza became the first club from the Małopolskie Voivodeship to ascend to Ekstraklasa, making the local community's joy even more pronounced. The stadium in Nieciecza, packed with fans, witnessed thrilling moments that will forever remain in the hearts of supporters.

Both the players and the coaching staff demonstrated that with determination and commitment, much can be achieved. The promotion to Ekstraklasa not only raised the club's prestige but also attracted new sponsors and partners, allowing for further team development.

Thus, 2015 was not just a year of promotion but also the beginning of a new chapter in the history of Bruk-Bet Termalica Nieciecza. The club from Nieciecza, known for its fighting spirit and ambition, became a symbol of the potential that small, local teams bring to Polish football.