Due to the current Coronavirus epidemic forthcoming guided walks led by local walking groups are quite restricted. There are now some local walks but you have to book and numbers are limited.
Current government advice is that walking outside remains a good and healthy activity provided you keep your distance. Do avoid walking in places where there are a lot of people. In normal times the countryside near Market Rasen is not frequented by many people, so it should be a relatively safe area to walk.
For a variety of self guide walks please check out the Walking Routes page