1. Trionium Greensand Marathon
Surrey, October 17
The route runs from Dorking over the Greensand hills of Surrey, with stunning countryside views, especially during the demanding 5,200ft of ascent and descent. The entire route is over Lower Greensand rocks: sandstones over 110 million years old, which, with their characteristic colour, give the hills and the race their name. Enter online now.
2. Beachy Head Marathon
East Sussex, October 23
One of the biggest off-road marathons in the UK, this event celebrated its 30th anniversary in 2010. It attracts runners from all over the world and the challenging route along the famous chalk cliffs of the South Downs makes it a truly awe-inspiring experience. Enter online now.
3. Brathay Windermere Marathon
Cumbria, May 16
This year 1,200 runners took to the roads to raise money for the Brathay Trust, which helps vulnerable and disadvantaged young people turn their lives around. They were rewarded with good weather, some challenging climbs, stunning views around the England’s longest lake and – what else? – Kendal mint cake at the fuel stations. Enter online now.
4. Loch Ness Marathon
Inverness, October 3
Lured by the centuries-old legend of Nessie, runners flocked to the Highlands in droves for this race. They enjoyed scenic beauty along the shores of the loch and a great finish in the centre of Inverness. Find out more.
5. Halstead and Essex Marathon
Essex, May 9
This perennial favourite is run through pretty woods and farmland, is traffic-free, well-organised and has an atmosphere that’s always extremely friendly and welcoming. Find out more.
6. South Downs Marathon
West Sussex, June 12
The point-to-point route from Arundel to Petersfield follows chalk trails through the countryside and over the South Downs Way and the National Trail. Not ready for the full marathon? Then round up your running friends and enter the relay event instead. Enter online now.
7. Farnham Pilgrim Marathon
Surrey, September 19
Follow in the footsteps of pilgrims along footpaths and lanes between Farnham and Guildford on this mainly off-road course. The route varies slightly from year to year, but the stunning scenery is ever-present. Enter online now.
8. Brighton Marathon
East Sussex, April 18
It’s a brave organiser who hosts a big marathon a week before London, but even in its debut year this race was a big, bustling affair full to the brim with 12,000 runners feeling like champions as they ran along the crowd-lined seafront. Find out more.
9. Abingdon Marathon
Oxfordshire, October 17
With a road course so flat it could have been devised with a spirit level, and a route that takes in the medieval town centre and some Thames-side country villages, the Abingdon Marathon is the perfect test.
10. MBNA Chester Marathon
Cheshire, May 31
Another new race to make our marathon top 10, this could be a classic in the making. Those runners who took on the first staging of this city-centre race found cheerful crowds and the option to lighten the load by being part of a relay team. Enter online now.