When Is The Six Nations 2025 Final Date. The 2025 guinness six nations promises to deliver its most thrilling tournament yet. The 2025 six nations championship will start on 31 january 2025 and conclude on 15 march 2025.

This year’s tournament is bringing the heat, packed with all the drama, flair, and heart. Mark your calendars—31st january 2025 is when the six nations roars back to life.