A challenge: two big hills and a truly off-road section - plus the optional BoxHill ZigZag!
Three routes and GPX passes:
Ewell West Spoke 5W Taking the Epsom Bikepass at Woodcote Side will speed you on your way, by omitting the off-road section through Epsom Racecourse and Downs
Headley Arc 7 where you can continue straight to include the Boxhill Loop and the famous ZigZag climb - or rather better, continue on Arc 7 to past Juniper Hall, then climb and descend the ZigZag itself. But the tougher climb up to Ranmore awaits on the other side of the Mole valley.
Clandon Arc 8a and a relaxed final miles on flatter lanes, ending on the delightful Wey Navigation to