And to get you in the mood for shaping up, we have compiled these nostalgic scenes from gyms across Hartlepool and East Durham.
Limber up with a look at Xercise4Less, The Gym Group, Fitness Connexion and the Wesley. They all come from the Hartlepool Mail archives and perhaps you can spot someone you know.
Have a browse through our selection.
1. Hard at work in 2004
Can you spot someone you know in this photo from Fitness Connexion in 2004? Photo: FLR
2. A 2009 Headland scene
The Headland Sports Centre in a photo from 12 years ago. Can you spot someone you know? Photo: LH
3. nphm-06-04-21-retrogym-NEPupload
Liam Lewis is pictured gym members at The Gym Group in Harbour Walk, Hartlepool in this photo from 2018. Photo: Frank Reid
4. All for charity at Xercise4Less
Karl Brown (sales and marketing manager) watches Chelsea McKie planking as she trains for a charity event at Xercise4Less in 2017. Photo: Frank Reid