Pro D2, or Pro D2 Rugby, is the second tier of professional rugby union in France. It features teams that compete for promotion to the top division, Top 14. The league is known for its competitive nature and showcases a mix of established players and emerging talent. The season typically runs from August to May, with each team playing a series of matches. The top teams at the end of the season have the chance to move up to Top 14, while the lower-ranked teams may face relegation to National Rugby Championship.