Jimaroid
Journeyman Pro
You could try the 'NHS'. The Natural Health Service.
All you need is a good pair of walking boots, waterproofs and an O/S map to discover a network of rural paths in your area.
You will find peace without pace and it will help regulate your weight..
Even winter walking is great. Have you been watching the series on TV recently?
Psst. Rooter is probably one of the fittest people who post here. ?