Trail Running calendar near Horton 2025-2026

Take on the Chiltern Hills 100K, a scenic but testing ultra with over 1800m of climb through Ridgeway and Ashridge landscapes. Limited to 250, this TRA licensed UTMB index race combines marked trails and excellent support.

Choose a scenic 30 or 40 mile loop through Sherwood Forest, Clumber Park and Welbeck Estate with waymarked trails, aid stations and hot finish provisions. Entries limited to 250 so reserve your place early.

The Collingbourne Races, held at Crawlboys Farm in Ludgershall, offer a scenic off-road running experience through the beautiful Collingbourne woods. Featuring a half marathon and a 10km race, the course includes bridle paths, woodland trac..

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.

Experience a scenic 33 mile trail around Chesterfield, traversing high moorland, ancient woodland, reservoirs and rolling farmland. Mostly waymarked but expect some navigation challenge, with aid stations and a warm community finish.

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..

Take on the Ridgeway 40 mile walk along ancient chalk downlands from Avebury to Streatley on 9 May 2026. Checkpoints, refreshment stops and a finishers cloth badge make for a rewarding day out for seasoned walkers and adventurous newcomers.

Celebrate the 30th Halstead & Essex Marathon in May 2026, a scenic road race through rolling hills, woods and farmland around Halstead. Expect low traffic roads and friendly club support for a classic Essex running challenge.

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.

Run the Zig Zag Marathon or Half at Suffolk Running Centre, Bury St Edmunds, over scenic mildly undulating road routes. Limited to 300 entrants, with on course aid and a bespoke finisher medal.

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.

Take on a 50k countryside challenge on 16 May 2026 around Trent Valley, weaving through villages, footpaths and tracks. Finish back at Milestone Brewery for food, music and a commemorative branded pint glass to toast your effort.

Run the North Downs Way 50, a 50 mile point to point ultramarathon from Farnham to Knockholt Pound along iconic chalk ridge trails. Expect rugged terrain, big climbs and a 13 hour cut off for a true test of endurance.

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.

Tackle scenic rolling trails on Cannock Chase at the Merrell Cannock Chase Challenge, with 10 km, half marathon, marathon and a two person relay. Limited to 500 runners, the course rewards singletrack, ridge views and muddy fun.

The Reigate Priory Park 10K is a scenic charity fun run held in Priory Park, Reigate, Surrey. The course features a 250-meter start plus four laps on an accurately measured, gently undulating cross-country terrain surrounded by lush greener..

Join the Leaden Boot Challenge in Alstonefield on 17 May 2026, a 26.2 mile walk or run across the White Peak with stunning views and testing climbs. Manned checkpoints, homemade finish treats and a warm community atmosphere reward every fin..

Race the Pommie Panter in Youlgrave, Peak District on 17 May 2026: 5.8 miles of rugged trails, limestone descents and a swamp for a true fell running challenge. Limited pre entry opens Dec 2025 with a small fee and all profits go to the vil..

Run the Grim Reaper Festival at Grimsthorpe Castle with distances from a 10 mile day or night race up to 100 miles, including a 100 mile team relay. Enjoy scenic 10 mile loops through woodland and lakeside trails, camping and medals for all..

Explore the Surrey countryside at The Fox, a trail running festival offering distances from 20K to 62K that all finish in Godalming. Enjoy scenic singletrack, regular aid stations and a friendly atmosphere on Saturday 23 May 2026.