Family-friendly 5K fun run through the city centre with festive fancy dress, part of the countdown to Christmas.
Marathon darts session where co-founders David and Amanda Blair and community members throw for 12 hours to raise money for Prostate Cancer UK.
NCAA Division I men's ice hockey tournament, the first of its kind outside North America, with four games for the Belpot Trophy at the O2 Belfast Centre.
Ulster Rugby host French side Aviron Bayonnais at Affidea Stadium in the EPCR Challenge Cup group stage.
Boxing Day 'Big Two' Belfast derby between Glentoran and Linfield in the BOYLESports Premiership at The BetMcLean Oval.
United Rugby Championship match between Ulster and Connacht at Affidea Stadium in Belfast.
The BetMGM Premier League returns to The O2 Belfast with a night of top-level darts headlined by Luke Littler, Luke Humphries and Gian van Veen.
Free ten-week 'Couch to 5K' running programme for absolute beginners, with twice-weekly group sessions led by qualified coaches across Belfast.
