Trail Running calendar near Welwyn 2026-2027

A trail event at Hyde Hall Farm on 27 June 2026 with distances from 5k to ultra. Onsite parking, a lap aid station, baggage provision and event medals are included.

Trail running at Cranleigh Showground on 27 June 2026 with five marked routes through Winterfold, Hurtwood Forest, Leith Hill and the North Downs Way; distances range from 5 km to 52 km and routes have varying outpost support.

Single-loop off-road races at Matterley Estate in the South Downs National Park on 27 June 2026. Choose 10km or a 21km half marathon over gravel, grass and woodland with chip timing and a finishers medal.

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.

A 5 km obstacle course at Stanmer Park on 27 June 2026 featuring muddy climbs, crawls and slides across fields and woodland. The event is for ages 13 and over, has staggered wave starts, and a minimum fundraising target of £50.

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.

A multi-distance trail running day at Salcey Forest near Northampton offering 10K, half marathon, marathon and 50 km on mostly hard-packed forest trails. The event is cupless, no dogs are allowed, and all finishers receive a medal and drink..

A countryside trail run at 3 Brewers Brewery in Hertfordshire offering 10 km and 5 km options on mostly off road terrain. Finishers receive a medal, a pint cup and a free drink while the event supports local charity Earthworks.

A trail event at Housedean Farm near Lewes offering a half marathon and a 10K through South Downs scenery. The course mixes gravel paths and well kept trails and includes chip timing, aid stations and on site camping.

Scenic 5K and multi terrain 10K courses run through Wrest Park and neighbouring farmland, plus children's fun races. The volunteer organised event offers medals, prizes and shares profits with local village groups.

A point to point 50K trail ultramarathon on the Hangers Way from Alice Holt Country Park to Queen Elizabeth Country Park, with signed trails, aid stations, coach-to-start option, mandatory fluid kit and a 9 hour cut-off.

A trail running event in Peacehaven on 28 June 2026 featuring a **10 km** race and a junior fun run across the South Downs Way and local bridleways. The event includes a medal, photos, water stations and finish-line refreshments.

A Half Marathon at Box Hill Fort (Tadworth) on 28 June 2026 with more than 3000 feet of ascent and descent. The route runs mainly on rough tracks and offers views over the North Downs, the Mole Gap, Denbies Vineyard and Dorking.

A 5 km off-road fun run and walk at Therfield Heath, Royston, held over two laps to raise funds for Teenage Cancer Trust; entry fees are £12 for under-18s and £18 for adults and places are capped at 700.

A 5.3 mile trail race around Ashridge Woods in Albury on 28 June 2026, organised by Aldbury Sports Club with marshals, water on course and post-race refreshments. Entry fees differ for affiliated and non-affiliated runners.

North Downs Run is a multi terrain 30 km race through the Kent countryside on Sunday 28 June 2026. Entries are open with online entry closing 14 June; fees are £38 affiliated, £40 non affiliated and £45 on the day if places remain.

A ten leg team relay along The Ridgeway, one of England's National Trails covering 86.5 miles. The off road, hilly route finishes in Marlborough and teams compete for the shortest total time with rules on leg composition.

A guided 10 km trail run at High Lodge in Thetford Forest on 28 June 2026, led at a conversational pace with groups set by ability; entry costs £12.50 and parking is charged at £4.

A charity 5k obstacle run at Blackheath Common on 28 June 2026 where participants climb, crawl and slide around a mainly grassy course while raising funds for cancer research. Wave starts, on-site refreshments and toilets are provided.

A 7.5 km trail loop around Alfriston with over 80 percent off road running, a fully marked and marshalled course and prizes for first male and female. Entry is limited to 50 runners and refreshments are provided after the race.