Trail Running calendar near Hertfordshire 2026-2027

Circular countryside routes of 26 miles and 18 miles around Baldock in Hertfordshire, with checkpoints, refreshments and a light finish meal. Entries close 13 June or when the 175 place limit is reached.

A trail running event set inside Trent Country Park, Enfield, with wooded paths, grassy sections and some hills. Races include a 10 km senior race, a 4.5 km junior race and a 2 km kids fun run.

A flat, timed 10 kilometre out-and-back from the toll bridge in Shoreham to Bramber and back on 21 June 2026, with a halfway aid station, full marshals, 4x4 pickup and a new medal; entries open 20 March.

A scenic off road 10 km trail at Panshanger Park with chip timing and a sustainable finisher medal; proceeds support local charities and a family fun run is included.

Experience an evening trail run at The Valley in Evesham featuring a two lap 10 km course through the country park. This pet friendly event offers a simple racing format with water stations and onsite facilities.

A twilight trail race at Ashburnham Place in Battle, East Sussex offering 10k, 5k and a junior run. The event supports four charities and features on-site charity tents, a BBQ and a free sports massage.

Race two of the 2026 Trifarm trail series, this 10K summer run is over 95% off-road on public paths. Starting near a humpback bridge at Trifarm in Boreham, the anticlockwise course finishes with a lap around the lake.

Experience a scenic trail run through the Cowdray Estate and South Downs National Park featuring distance options for all ages including dog friendly categories and a stacking finisher medal.

Complete three races over three days to achieve a full marathon distance at the Colworth Estate. This multi terrain event in North Bedfordshire offers distances of 5 miles, 8.1 miles, and a half marathon.

A backyard ultra at Longbridge Farm Barns near Alfriston where runners complete at least 4.167 mile laps every hour until one runner remains. The event uses a token system, timed laps, a small aid station, onsite support and sustainability..

A 24 hour obstacle course at Belvoir Castle on June 27 and 28, 2026. Competitors run repeated 5 mile loops with ice and greased quarterpipe obstacles; entries include individual, four person team relay, pit crew spectator and a post event b..

A multi-distance trail event at Hyde Hall Farm on 27 June 2026 offering distances from 5k to ultra, on-site parking, an aid station at the lap point, baggage storage and a bespoke finishers' medal.

Explore the scenic Surrey Hills and North Downs Way with five trail distances ranging from 5 km to a 52 km ultra. Run through ancient forests and rolling fields with punchy hills and fully marked courses.

Experience an off road adventure through the private Matterley Estate in the South Downs National Park. Choose between a 10km or half marathon distance on a well marked course featuring gravel tracks and woodland trails.

A family festival at Culden Faw Estate on June 27, 2026, focused on a children's obstacle course and a lively event village with food and activities. Race options include two youth OCR categories and a festival-only entry.

RunThrough Marlow Trail Run on 28 June 2026 features off-road Half Marathon, 10K and 5K routes around the Thames Valley, with marked trails, chip timing, free photos and a themed medal.

TrailFest at Salcey Forest is a multi distance trail running day offering 10K, half marathon, marathon and 50 km on mainly hard packed forest trails. The event uses marked routes, a cupless aid policy and paid parking.

Experience a scenic 10km mixed terrain run through the trails and woodland of Hatfield. Starting and finishing at the 3 Brewers Brewery, participants enjoy chip timing and a complimentary drink at the finish line.

A trail event at Housedean Farm in the South Downs offering a half marathon and a 10K over mixed gravel and trail terrain. Onsite camping and glamping are available and amenities include chip timing, aid stations and a finishers area.

A point to point *50K* trail ultramarathon along the Hangers Way from Alice Holt Country Park to Queen Elizabeth Country Park. The marked course offers aid stations, bag drop, medical support and optional coach transport to the start.