Trail Running calendar near Grafham 2026-2027

Join the 10th Spire Ultra on 9 May 2026, a 33 mile trail around Chesterfield through moorland, ancient woods, reservoirs and restored mining country. Aid stations, race signage and medical cover support runners, and finishers receive a spec..

Discover Goring Gap Trails near Reading in early May 2026, offering scenic trail challenges from a 6 mile walk with a river boat crossing to 52K and 50 mile ultras. Multi day camping adds a relaxed festival vibe for runners and walkers alik..

Run along the Thames Path at Runnymede for a scenic 10k, half marathon or marathon on 9 May 2026, with marshalled, well marked out and back laps and GPX support. All finishers earn a bespoke Magna Carta medal and top runners win prizes.

Join the 5k Run for Wildlife at Banham Zoo, a mostly flat route through parkland with a lap inside the zoo past giraffes, penguins and more. Entry includes full day zoo access and a finisher medal for a wild day of running.

Enjoy a scenic marathon through North Essex rolling hills, woods and farmland on low traffic roads this May. Celebrate the race's 30th year with just 500 places available for an intimate, well organised running experience.

Shires and Spires at Naseby Village Hall on 10 May 2026 offers five circular distances from 10K to a 35 mile ultra across scenic trails and country lanes. GPS files, checkpoints and live tracking provide support for casual runners and ultra..

Join Zig Zag Marathon and Half Marathon in Bury St Edmunds on 10 May 2026 for scenic, mildly undulating on road routes through Suffolk countryside. Small field, aid stations and included parking make for a friendly, focused race day.

Take on the Greenway Challenge on 10 May 2026 in Letchworth Garden City, a scenic self guided 13 mile loop around the Garden City Greenway. Enjoy a wooden finisher medal, post run treats and help raise funds for GRIT.

Run the Chilterns 30, a scenic 30 km trail around Tring with rolling hills and about 500 m of ascent through woods and ridgelines. Limited to 50 places, the well supported event includes guides, checkpoints and a finisher medal.

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.

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.

Join the Trent Valley Ultra 50k on Saturday 16 May 2026, a brewery to brewery run from Milestone Brewery in Cromwell through scenic villages and footpaths. Finish with local food, taproom vibes and your branded pint glass.

Five Rivers Ultra is a scenic point to point coastal ultramarathon in North Essex and South Suffolk offering 100 miles, 50 miles and 50 km routes with sweeping estuary views. Flat and fast underfoot, it finishes in Harwich.

Run 50 miles along the scenic North Downs Way from Farnham to Knockholt Pound, with rolling climbs and mostly trail underfoot. This classic ultra offers six aid stations and a tough but rewarding test for experienced runners.

Take on the Compton Downland Challenge on 16 May 2026, choosing the marathon or a scenic 16 mile route across the Berkshire Downs and Ridgeway. Expect rolling trails, countryside views, on course aid and a hand thrown mug at the finish.

Run the undulating off road trails of Cannock Chase AONB at the Merrell Cannock Chase Challenge on 16 May 2026. Choose 10K, half, full or a pairs relay on a spectator friendly figure of eight course with water stations and camping.

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.

Take on the Reigate Priory Park 10K on 17 May 2026, a measured four lap cross country route through scenic Priory Park. Open to ages 15 and over, this England Athletics affiliated race supports Sport In Mind and offers medals and trophies.

Join the Deddington Four Farms Challenge on Sunday 17 May 2026 for 5k and 10k routes around the picturesque parish of Deddington. Open to experienced runners, fun runners and families, it is a friendly event supporting local charities.