Trail Running calendar near Letchworth Garden City 2025-2026

The Trident Grantham Triathlon will take place in Grantham on Sunday 26 April 2026.

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..

Run a flat, fast 5K or 10K along the River Adur and Downs Link at Adur Recreation Ground in Shoreham by Sea, passing the airfield and Toll Bridge. Chip timing and finishers medals add to this well supported riverside race.

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..

Run 100 miles along the scenic Thames Path from Richmond to central Oxford, finishing on the grounds of Oxford University. Mostly trail with a 30 hour limit and regular aid stations, plus pacers and a Centurion buckle for finishers.

Enjoy a three day running festival over the May Bank Holiday across three Mid Sussex towns. Run single town races or combine stages into the Mid Sussex Marathon, with undulating multi terrain routes, medals, family fun and fancy dress.

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..

Discover the Cotswolds on foot at Tempo Trail Races 2026, a scenic weekend of trail racing on 3 May with distances from 10K to 100 km, and a new 50K option. Friendly atmosphere, challenging routes and stunning countryside await.

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.

Bat Challenge is a 6-hour day/night trail running event at Beacon Hill Country Park, Leicestershire, England. It features a 3.3-mile off-road loop that participants can repeat to reach 5k, 10k, or over 50k within the time limit. The course..

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.

Join the Run Rabbit Trail Festival at scenic Deene Park for an inclusive multi distance trail running weekend with races and social events. Tackle short loops, a scenic half or go for the Quest for the Golden Carrot to earn extra bling.

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..

Event overview The Ridgeway 40 Walk is a 40-mile linear walk/run held on 9 May 2026. The route runs from Avebury Sports & Social Club (SU102697) to Morrell Room, Church Lane, Streatley (SU592807, RG8 9HT). The course follows the Herepat..

The Chiltern Hills 100K will take place in Chesham from Saturday 9 May 2026 to Sunday 10 May 2026. You can run 100 kilometers.

Shires and Spires is a friendly multi distance loop from Naseby Village Hall offering races from 10 km to a 35 mile ultra across scenic trails and country roads. Routes alternate each year and GPS files plus live tracking guide runners.