The Hatfield House Loop cycling route heads up through North London via the Swains Lane climb in Highgate, and then heads directly up through Potters Bar to the Hertfordshire countryside just south of Hertford and Welwyn Garden City. The route passes Hatfield House before the southerly leg heads back to Regents Park via Hampstead Heath.
Starting point: Regents Park, Bar & Kitchen, London.
Suggested café: The Coach House, Hatfield House (45 km)
The Barhatch Blinder is a a four-hill cycling route in the Surrey Hills: Staple Lane, Row Lane, Barhatch Lane and Whitedown Lane.
The Ferny Hill Farm Loop cycling route climbs steadily up from Regents Park through Belsize Park, Hampstead and other leafy suburbs before heading into the green belt, with some relatively fast straight roads, before turning back towards London over Muswell Hill, down through Highgate and back to the park.
The Dirty Belgie Gravel Loop is a clockwise cycling route starting in Richmond Park that crosses Wimbledon Common, before heading uphill to the woods between Chessington and Oxshott.
The Henley Loop cycling route is another longer but fast flowing variant that heads, south of Windsor Great Park to Wargrave and then rejoining the Thames at Henley.
Rolling hills without any steep climbs are the order of the day for this HITR route.