Swim Leagues is a website for following master swimming competitions, with information organized around events, teams, athletes, and timing. Its event calendar lets visitors browse competition seasons, including 2026/2027 and previous seasons dating back to 2018/2019. Listings provide dates, event names, venues, pool lengths, and status, helping swimmers and spectators keep track of upcoming meets and competition details.

The calendar features a range of Italian events, including city trophies, memorial meets, and special-distance competitions. Venues include municipal pools and sporting facilities, with both 25-metre and 50-metre pools represented. The site also indicates whether events are scheduled or whether results are available, supporting users who want to follow competitions as they approach or review their status. Navigation is available in Italian and English, and the website provides privacy and contact sections. By bringing event schedules and related swimming information together, Swim Leagues serves as a practical reference for people interested in the master swimming competition calendar.