Trail Running calendar near Thetford 2026-2027

A low-key Category A fell race inside the M25 held on 19 June 2026, with multiple climbs around Yardley Valley and a finish on Pole Hill overlooking the Lea Valley. Entry is via SPOND and carries a £5 fee.

Point-to-point races along the Three Shires Way offering a 50 mile ultra and a marathon through Bucks, Beds and Northants with on-course aid, mandatory kit requirements, finish medals and downloadable GPX routes.

Timed trail races at Leybourne Lakes Country Park on 20 to 21 June 2026 offer 6, 12 and 24 hour solo formats plus 24 hour pair and team relays. The event runs on a 2.5 km marked loop with live timing, on-site medical cover and a race villag..

A lapped ultramarathon on a 10.15 mile mostly off-road loop around Maldon, with 101.5, 50.75 and 30.45 mile options, chip timing, checkpoints and compulsory kit requirements.

Castle Bytham 5K is a 5 kilometre off‑road trail run through the Lincolnshire countryside on 20 Jun 2026 as part of the Midsummer Festival. The course uses grassy trails and farm tracks, allows dogs on short non retractable leads, and welco..

A 5 km Pretty Muddy obstacle course at The Rutland Showground featuring climbs, crawls and slides on grass terrain that can become soft and muddy. Participants must be 13 or older and there is a £50 minimum fundraising target.

A 24 hour lap event near Caldecotte Lake in Milton Keynes offering individual and team entries, junior options and camping. Facilities include showers, marquees, free drinks and snacks, with hot food available on site.

A timed running challenge on 21 June 2026 at Abberton Reservoir with repeated laps of a loop just over 5 km. Entry includes a medal and proceeds benefit Essex Wildlife Trust.

A trail half marathon at the National Trust Dunstable Downs on 21 June 2026, covering 21.2 km with roughly 450 m of climb. The course is waymarked and supported with aid stations at 6.7 km and 13.7 km.

Circular cross-country event around Baldock with 26 and 18 mile routes across grassland, fields and woodland. Checkpoints, refreshments and a finish certificate are provided, and route files are published before the event.

Trail running event in Trent Country Park on 21 June 2026 offering 10 km, 4.5 km and 2 km races with chip timing and age-based categories; a portion of entry fees supports local charities.

A single lap fully off road 10K trail through Panshanger Park on 21 June 2026, passing a 500 year old oak, the Queen’s Wood and the Mimram River. The event includes chip timing, a sustainable finisher’s medal and a Family Fun Run.

A muddy 5k at Trinity Park, Ipswich on 21 June 2026 organised by Cancer Research UK. The fairly flat showground course uses grass and paths and includes obstacles to climb, crawl and slide. Minimum fundraising target £50.

A self navigation trail of about 6 miles near Thaxted on 24 June 2026 with Race HQ at the Farmhouse Inn. Written route descriptions are issued on the day and entry includes a pub voucher.

Three consecutive days of racing at Colworth Club add up to a full marathon through a 5 mile run, an 8.1 mile trail race and a half marathon. On site facilities include parking, refreshments and free camping with booking.

A relaxed 5 km trail run through Wyken Vineyards and surrounding countryside, followed by wood-fired flatbreads, locally roasted coffee and music in the vineyard courtyard. Limited spaces and free overflow parking with marshalls on site.

A 24 hour obstacle course at Belvoir Castle on 27 and 28 June 2026, run as repeated five mile loops with named obstacles such as Arctic Enema, Electroshock Therapy and Well Swung. Individual, relay, pit crew and brunch options are offered.

Trail event at Hyde Hall Farm offering distances from 5k to ultra with lap formats, on-site parking, a lap aid station and bespoke finisher medals. The event is cupless so participants need a cup or bottle.

A 24 hour running challenge at Cherry Orchard Country Park where solo runners or teams of up to 12 complete laps of an 8 km countryside route. Charity and standard entry options are available and funds support work to end homelessness in Es..

TrailFest at Salcey Forest on 28 June 2026 offers multiple distances from 10K to 50 km on mainly hard packed forest trails. The event uses cupless aid stations, has tiered entry fees, and mandatory cup rules for longer races.