This 83km loop goes West towards Leicester, and passes a couple of good coffee stops around just past the half-distance point.
Here's the route in Strava.
Wistow Cafe Bistro is passed at 45km, and Pennbury Farm at 50km.
Heading East from the clubhouse towards the area near Fotheringhay, this route stops at Spanhoe Lodge after 50km for the usual refreshments; before returning along the valley.
Spokes is a pop-up summer cycling cafe in Harringworth (longest viaduct in the UK). There are a number of routes that go near there, and it's only 13km back to the club.
Here are some routes that we regularly use for club runs. Use the Categories to limit the routes you see. The compass points relate to where the ride goes from the clubhouse. Routes can be downloaded for your cycle computer, either directly as a GPX or via Strava for TCX.