Trail Running calendar near Caldecotte Lake 2026-2027

Three towns host races across a Bank Holiday weekend in 2027, with combined results forming the Mid Sussex Marathon. Distances include 10 mile, 10k, a chip timed mile and a family fun run, plus virtual and combo marathon options.

A guided 30 mile trail run from West Hanger, Guildford, combining North Downs Way and Greensand Way with on-route coaching and group pacing.

A one-day trail event in Ilmington offering six distances from 10K to 100KM plus a new two person 100KM relay, with feed stations, baggage support, GPX maps and trackers on the longer routes.

A 4 km multi terrain relay at Culden Faw Estate, Henley on Thames with solo, pairs and team formats plus a race village and on site camping.

A four leg stage trail relay along the Roach Valley Way covering 23 miles in total. Teams of four navigate by maps and way markers while proceeds support Havens Hospices.

A guided 12.5 mile trail run around Box Hill that gains about 1000 metres of elevation across woodland, heathland and open fields. Group pace with technical climbs and scrambling and a chance of an alcohol free beer at the finish.

A 10 hours 10 laps endurance event at Denbies Wine Estate with roughly 3, 4 or 5 mile loops and graded finishers awarded a medal and coloured shirt.

A spring trail event in Harewood Forest near Andover offering 5k, 10k, canicross and a childrens fun run on undulating, multi terrain courses with marked routes and on course marshals.

Off-road half marathon and 10 km through Collingbourne woods near Ludgershall with aid stations, medical support, chip timing and medals for all finishers.

A two day, two person self supported navigation event at Newlands Corner with camping, maps and a points based route across the Surrey Hills.

A point-to-point 50 km ultramarathon from Horsham to Brighton seafront on 8 May 2027, with mixed trails, four feed stations, full course signing and individual or two-person relay entry options.

Muddy obstacle races at the Secret Nuclear Bunker Estate in Essex with 6 km (40+ obstacles) or 12 km (70+ obstacles), featuring the Deathslide and multi-lane zip wires.

An inflatable obstacle course and fun run in Guildford, Surrey on 8 May 2027 offering 2.5k, 5k, 10k and 15k distances with music zones, water stations and a finisher medal for every participant.

A two-day trail running festival at Deene Park near Corby offering 10k, 21.1k, 25k challenges and a combined 56.1k Quest with medals for finishers.

The National Forest Way Ultra will take place in Burton upon Trent on Saturday 8 May 2027. You can run 75 miles.

Timed event on a 3.28 mile out-and-back canal route in Stroud on 08 May 2027, with choice of distances from 5 km to ultra and a seven hour limit.

Stroud Trails on 9 May 2027 offers four marked trail races across the Cotswolds with checkpoints, water stations, marshals and a mandatory 500 ml water carry.

Multi-distance multi-terrain running event around Naseby, Northamptonshire, with races from 10K to a 35 mile ultra and alternating course direction each year.

Road marathon and half at Suffolk Running Centre using the Kirtling and Windmill routes. Aid stations every 10 km, parking included, and the event is cupless so bring a bottle or cup.

A long-established marathon in North Essex organised by Halstead Road Runners, set on scenic low-traffic roads and part of the Essex Road Running Championships. The event has a 500-runner limit, supports local charities and holds a course m..