17 Top Fitness Trends for 2024. Achieving your health and wellness objectives in the ever-changing fitness world requires keeping up with the latest trends. The fitness sector is bringing out new and exciting developments that have the potential to completely change the way we approach exercise as we go into 2024. These are the top 17 fitness trends for 2024 that you won't want to miss, regardless of how experienced you are at the gym or if you are just beginning your fitness journey.