Trail Running calendar near Lewes 2025-2026

The Chiltern Ridge Classic 50K is a scenic Ridgeway ultra through the Chiltern Hills, taking in iconic climbs, beech woodlands and wide views. Limited to 400 runners with a 9 hour cut off, it runs from Berkhamsted Castle to Wendover.

Windsor 50 Ultra Challenge The Windsor 50 Ultra Challenge takes place on Saturday 18 April 2026 from a basecamp at Windsor Racecourse. Routes use the Great Park, Runnymede and the Thames Path and return to the racecourse. The 50 km course i..

Martello Half Marathon : Seaford, East Sussex The event is a Half Marathon held in Seaford, East Sussex, with the next scheduled race on 19/04/2026. The route combines the Seaford seafront with sections on the South Downs and is described a..

Run the Thames Ring Series, a multi day trail loop based in Streatley on Thames that follows the river and canal towpaths on mostly flat, scenic terrain. Pick 100, 150 or 250 mile routes from 22 to 26 April 2026 for a true endurance fix.

The Drop - Winchester is a unique and challenging race held in Winchester, UK, offering participants a choice between 10-mile and 15-mile distances, either solo or in teams. Inspired by military-style navigation, the event requires runners..

The Ale Trail 15 mile run is a pub-led trail race in Alfriston, East Sussex, starting from the Ye Olde Smugglers Inne beer garden. The 15-mile course has a 4hr30min cut-off and pub checkpoints at The Hampden Arms and The Ram Inn, where runn..

Saturn’s Midweek Chasing Numbers 7-Hour Time Challenge is held at Wraysbury Skiff & Punting Club on the River Thames. The event is designed to be affordable and flexible, inviting all abilities to run or walk within a 7-hour window. Partici..

Event overview The Greensand Way Ultra Run is a guided, group trail run taking place on Saturday 2 May 2026 in Guildford, Surrey. The route covers 30 miles and the advertised cost is £45 per person. The event is presented as suitable for fi..

Take on the iconic Thames Path 100, a 100 mile point to point trail from Richmond to Oxford offering riverside scenery and varied terrain. With a 30 hour cutoff and support stops along the way this classic ultra blends challenge and charm.

Run or walk the stunning Isle of Wight coastal path from Chale on May 2 to 3, 2026, passing The Needles and dramatic southern cliffs. Fully supported with rest stops, catering, camping and timed options for walkers and competitive runners.

Rapid Relays is a dynamic running event held at the scenic Culden Faw Estate in Fawley, near Henley on Thames, Oxfordshire. The race features a woodland trail course on estate tracks with gently undulating terrain, including a notable climb..

Event overview This is a guided trail run around Box Hill, Dorking, Surrey. The route covers approximately 12.5 miles with around 1000 m of elevation gain. Scheduled dates include Saturday 29 November 2025, Saturday 3 May 2026 and Saturday..

Tackle scenic South Downs trails at the Three Forts Challenge with full marathon, half marathon and five mile options calling at Chanctonbury Ring and Cissbury Ring. All profits support Ferring Country Centre and local charities.

BigWayRound - Winchester is an award-winning, Gold-rated trail running event held at Winchester Rugby Club. The event offers four distances: 14 miles, 19 miles, a marathon, and a 50K ultramarathon, catering to both new and experienced trail..

Enjoy spring trails at Harewood Forest in Hampshire with Muddy Runners, choosing from 5 km or 10 km routes across undulating woodland tracks. A friendly, scenic race perfect for trail newcomers and regulars alike.

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..

Run to the Sea Brighton is a scenic point to point 50k from the Sussex downs to Hove seafront with a two person relay. Expect trails, rolling hills, sea views, aid stations, medical support and a bespoke finisher medal.

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..

Tackle a scenic but challenging 100K trail through the Chiltern Hills on 9 May 2026, weaving past Ashridge, Coombe Hill and Whiteleaf Hill. Limited to 250 runners, this well supported ultra offers classic British countryside and big views.

Experience a scenic marathon through rolling hills, woods and farmland in North Essex, hosted by Halstead Road Runners. Limited to 500 entries and part of the Essex Road Running Championships, the race returns in May 2026 for its 30th year.