The Top Division Men One (TDM1), also known as the Belgian Second Division or the Tweede Nationale, is the second level of men's basketball in Belgium and the highest amateur level in Flanders.
The league features 14 teams and the champion has the right to promote to the Pro Basketball League (PBL).
Teams There are 14 teams in the 2026–27 season.
ABO LDP Donza (De Pinte) Antwerp Giants B (Antwerp) Avanti Brugge (Brugge) Basket SKT Ieper (Ypres) Basket Willebroek (Willebroek) Basics Melsele-Beveren (Melsele) Bavi Vilvoorde (Vilvoorde) BBC Croonen Lommel (Lommel) BBC Falco Gent (Gent) BCCA Floréal Neufchâteau (Neufchateau) Guco Lier (Lier) G&V Breakpoint Waregem (Waregem) Insurea Kontich Wolves (Kontich) United Basket Woluwé (Woluwe)
Champions
+Season Champions Runners-up 1948/49Canter Schaarbeek1949/50Forestoise1950/51Bressoux1951/52Bavi Vilvoorde1952/53Saint Louis1953/54Mercurius BBC1954/55RSAC Liège1955/56Ontspanning1956/57Zaziko1957/58Ontspanning1958/59VG Oostende1959/60Bavi Vilvoorde1960/61Antwerp Giants1961/62Union SG1962/63FC Perron Liège1963/64Standard Luik Liège1964/65BBC Oxaco1965/66Gilly1966/67Hermes1967/68Avanti Brugge1968/69Athlon Ieper1969/70Okapi Aalst1970/71BCO Sunair Oostende1971/72BC Destelbergen1972/73BCO Oostende1973/74Prado Kortrijk1974/75Aalst1975/76Royal Fresh Air1976/77St Truiden BB1977/78SFX Verviers1978/79Rimelago Aarschot1979/80Antwerpse B.C.1980/81Ticino Merksem1981/82Frisa Kortrijk1982/83Maccabi Etterbeek1983/84Duvel Willebroek1984/85Standaard AHZ Leuven1985/86Avanti Brugge1986/87Imb Gent1987/88BAC Sijsele1988/89Spirou Monceau1989/90Brandt Kortrijk1990/91COB St Louis1991/92Good Year Aalst1992/93Avenir Namur1993/94Free Time Center Aarschot1994/95Duvel Willebroek1995/96OT Vilvoorde1996/97Power Wevelgem1997/98OT Vilvoorde 1998/99KBC Leuven1999/00TEC Fléron2000/01BC Facom Damme2001/02Ins. Wilsele2002/03Ins. Wilsele2003/04Saeco Union Hutoise2004/05RR BC Bruxelles2005/06Okapi AalstarPower Wevelgem2006/07Gent DragonsSint-Jan Antwerpen2007/08CEP FleurusSint-Jan Antwerpen2008/09BBC BreeHasselt BT 2009/10BBC De Westhoek ZwevezeleBBC Kangoeroes Boom2010/11BBC Kangoeroes BoomBBC De Westhoek Zwevezele2011/12Gembo BBCBent schoenen Waregem2012/13Gembo BBCBBC Kangoeroes Boom2013/14Bent schoenen WaregemGembo BBC2014/15Gembo BBCBent schoenen Waregem2015/16Bent schoenen WaregemCuva Houthalen2016/17Gent HawksBent schoenen Waregem2017/18Duva BC Gistel-OostendeGembo BBC2018/19Oxaco BBCBent schoenen Waregem2019/20Melco IeperGent Hawks2020/21cancelled due to COVID-19 pandemic 2021/22BC Guco LierKortrijk Spurs2022/23Kortrijk SpursLDP Donza2023/24LDP DonzaBBC Falco Gent2024/25LDP DonzaBC Guco Lier2025/26CB LiègeBC Guco Lier
References