Trail Running calendar near Grafham 2025-2026

Take on the iconic Thames Path 100 from Richmond to Oxford, 100 miles of scenic riverside trails and historic towns. Enjoy waymarked routes, plenty of aid stations and a supportive ultra atmosphere for a true point to point challenge.

Join a guided 30 mile trail run along the North Downs Way and Greensand Way led by an experienced ultra runner and coach in a supportive group run. Enjoy sweeping hilltop views, shoe demos and a possible alcohol free beer at the finish.

Run a scenic woodland course at Culden Faw Estate on 3 May 2026 with solo, pair and team relays plus timed 5K, 10K and the Henley Downhill Time Trial. Expect gentle undulations, a climb before 3 km and a long downhill finish with chip timin..

Hit the Cotswolds trails with Tempo Trail Races on Sunday 3 May 2026, featuring distances from 10K up to a 100K ultra. Pick your challenge or try the new 50K option for a weekend of scenic, adventurous running.

Join a guided Box Hill Vertical KM group run near Dorking for a tough 12.5 mile route with about 1000 m of climb through woods, heath and open fields. Enjoy expert guidance, technical terrain and a social finish.

Push your limits at the Bat Challenge, a six hour off road loop at Beacon Hill with 3.3 mile laps so you can choose any distance from 5k to ultra. Enjoy rolling climbs, scenic views, and the choice of a medal or a tree planting token.

The Goring Gap Trails event, held in Mapledurham near Reading, offers a variety of running and walking challenges, including a 50-mile ultra, a 52K ultra, and a half marathon, alongside walking options of half marathon, full marathon, and a..

Spire Ultra returns for its 10th edition: a scenic 33 mile trail around Chesterfield across moorland, woods, reservoirs and farmland. Expect varied terrain, good on course support and a special 10 year finisher memento.

Chiltern Hills 100K is a scenic 100 kilometre trail ultra on 9 May, looping from Chesham through iconic Ridgeway landscapes and chalk beacons. Expect rolling climbs, superb views and a supportive small field for an unforgettable challenge.

Tackle a scenic one lap ultramarathon through Sherwood Forest and estates including Creswell Crags and Clumber Park, with 30.8 or 40.8 mile options. Limited to 250 runners, this May classic blends rugged trails with legendary views.

Join a friendly, inclusive weekend of trail running and festival fun at scenic Deene Park near Corby on May 9 and 10 2026. Pick from short loops, an evening 10k, a hilly half marathon or the full challenge, with medals for all finishers.

Halstead & Essex Marathon offers an annual road race on scenic low traffic roads through rolling hills, woods and farmland. Run by Halstead Road Runners as they mark their 40th year, it blends competitive spirit with a friendly club vibe.

The Zig Zag Marathon and Half Marathon take place at the Suffolk Running Centre in Bury St Edmunds, UK. The marathon follows the officially measured, scenic Kirtling Route, which is fully on road and mildly undulating, while the half marath..

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.

Run through rolling Northamptonshire countryside from Naseby Village Hall, choosing multiple distances up to a 35 mile ultra marathon. Marked circular routes, live GPS tracking and country house views make for a memorable day.

Tackle the scenic and challenging North Downs Way 50, a 50 mile trail run from Farnham to Knockholt Pound on 16 May 2026. Expect rolling hills, great trail views, well stocked aid stations and a friendly Centurion Running race atmosphere.

Tackle the Merrell Cannock Chase Challenge on 16 May 2026 at Tackeroo Campsite with 10 km, half or full marathon over scenic off road trails. Limited to 500 entries, enjoy rolling terrain, aid stations, free parking and a finisher medal.

Run the scenic Berkshire Downs at the Compton Downland Challenge on 16 May 2026, with 26.8 mile or 16 mile trail options along the ancient Ridgeway. Expect climbs, muddy paths, aid stations, chip timing and a hearty post race BBQ.

Run a scenic 50k through Nottinghamshire villages and countryside, weaving between breweries along footpaths, bridleways and minor roads. Start and finish at Milestone Brewery and collect a commemorative event pint glass when you finish.

Five Rivers Ultra is a scenic point to point ultramarathon circumnavigating five coastal estuaries between Suffolk and Essex and finishing in Harwich. Choose 100 mile, 50 mile or 50 km routes mostly on grass and trail with GPX navigation an..