Trail Running calendar near Dunstable Downs 2025-2026

Tackle a scenic 40 mile Ridgeway walk or run from Avebury to Streatley, crossing the rolling chalk downlands of Wiltshire, Oxfordshire and Berkshire. Limited to 250 entrants, this classic May event blends challenge with stunning countryside..

Run along the scenic Thames Path at Magna Carta Summer, choosing from marathon, half marathon or 10 km routes that pass historic landmarks like the Magna Carta site. Enjoy a well marked course, friendly marshals and a bespoke finisher medal..

Join the 30th Halstead & Essex Marathon on scenic low traffic roads through rolling hills, woods and farmland. Limited to 500 runners, this club organised race offers a classic country marathon and a prize for course records.

Shires and Spires is a circular run based in Naseby with distances from 10K to ultra, mixing country trails and roads. Routes change direction each year and have GPS tracking, voice navigation, aid stations and a medal for all finishers.

Run the Zig Zag Marathon or Half Marathon on 10 May 2026 from Suffolk Running Centre in Bury St Edmunds along scenic, mildly undulating roads. Limited to 300 runners, with aid stations, a seven hour cut off and memorable finisher medals.

Join the Oliver Fisher 10k and 5k at Milton Creek Country Park for a scenic off road challenge supporting the Oliver Fisher Special Care Baby Trust. Enjoy trails, medals and a friendly community atmosphere while raising funds for neonatal c..

Run through the scenic Rathfinny Wine Estate in East Sussex on 10 May 2026 with 10.7 km or 21.4 km loop options. Enjoy off road trails, recycled slate medals and a carbon neutral, cup less event raising funds for the WOLO Foundation.

Take on the Greenway Challenge in Letchworth Garden City: a self guided 13 mile clockwise run starting and finishing at Standalone Farm. Enjoy marshalled crossings, a wooden medal, and cake at the finish while supporting Headway Herts.

Tackle a scenic 10 km trail across the South Downs from Cadence Cycle Club Café in Cocking, featuring rolling hills and a downhill finish. Junior races for ages 6 to 15, chip timing, medals and a lively race village make it a great day out.

Challenge yourself at the Chilterns 30, a 30 km trail across scenic Chiltern Hills with rolling woodland trails, ridgelines and village paths. Guided groups, well stocked checkpoints and a finisher medal with a Trees not Tees certificate ma..

Join Black to the Trails at Dunstable Downs and Whipsnade for a welcoming day of trail running with 1K, 5K, 10K and Scotch Bonnet 10K options. Celebrate diversity with music, food, family fun and finishers medals on scenic chalk downland.

Join Hairy Legs on 10 May for a rugged cross country across two undulating woodland laps with a few final field challenges. Every entrant gets a t shirt, a free beer or soft drink, a post race BBQ and a prize for best dressed.

Enjoy a scenic one lap 10k through bluebell woods, undulating hills and open common in Surrey at Hampton Estate and Puttenham Common. Chip timed with bespoke 2026 medals, a friendly finish village and superb views.

Join the Dinton 5km and 10km Summer Series at scenic Dinton Pastures for four monthly, flat off road laps from May to August. Family friendly with a 2 km kids race, medals, water and post race treats including an ice cream van.

Take on a classic 50 mile point to point ultramarathon along the North Downs Way from Farnham to Knockholt Pound, with rolling chalk ridge trails, the climb of Box Hill and about 1,700 m of ascent. Scenic, mostly trail and a true endurance..

Take on the Compton Downland Challenge on 16 May 2026, choosing a scenic 26.8 mile marathon or a 16 mile route around the Berkshire Downs and ancient Ridgeway. Expect varied, sometimes muddy trails, great aid stations and a hand thrown mug..

Join the Semington Slog on 16 May 2026 for a scenic 10K or family 2K around the village, canal towpath and leafy lanes. A friendly community fundraiser at St Georges School with marshalled routes, children’s activities and tasty food, plus..

Take on the Maverick Cotswolds Trail at Sudeley Castle and enjoy rolling trails, charming villages and historic views. Routes from 7 km to 50k, fully marked and timed with outposts and a finisher medal to celebrate your run.

Run through scenic vineyard hills at Denbies Wine Estate in Dorking on 16 May 2026 on a 5.3 km undulating off road loop. Choose as many laps as you like for distances from 5 km up to ultra with flexible start times and limited places.

Join the Reigate Priory Park 10K on 17 May 2026 for a scenic cross country four lap route in Surrey. Enjoy a friendly race atmosphere, bespoke medals and the chance to support the charity Sport In Mind.