For something easier on the legs, there is no shortage of circular day rides to be found in Lincolnshire.
The Estate Office, Grimsthorpe, Lincolnshire, PE10 0LY
Spalding TIC, South Holland Centre, 23 Market Place, Spalding, PE12 6EU
In the Fens you can choose a gentle scenic route with picnic pit-stops or a real work out for the legs and lungs!
Stamford TIC, Stamford Arts Centre, 27 St. Marys Street, Stamford, UK