The gyms at Les Quennevais and Springfield Sport Centre will be free this Wednesday (20 September) for members and non-members.
Classes are also free but should be booked in advance to ensure a space.
There will be competitions and leaderboard challenges being run on the day with the chance to win a one-year Active membership.
For the full schedule or more information, visit: Embrace the Movement: Your Guide to what's on at Active for National Fitness Day! | Active Jersey