Trail Running calendar near Grafham Water 2026-2027

A six-hour lap challenge in Skellingthorpe on tarmac paths along an old railway, offering distances from 5 km to ultra with on-course drinks, food, parking and finishers' medal and goody bag.

An obstacle 5k at Priory Park, Bedford on 25 July 2026 featuring climbs, crawls and muddy obstacles. Organised by Cancer Research UK, it uses staggered wave starts, has basic on site facilities and is not suitable for wheelchair users.

A chip timed one lap 10K through scenic Garendon Park on 26 July 2026. The trail route includes gentle climbs, water stations, race photos and finisher rewards, with entries capped at 370 and a minimum age of 15.

A daytime trail event at Denbies Wine Estate in Dorking offering marathon, half marathon, 10K, 5K and kids races. Routes run through rolling Surrey hills with marked sections and a partly self navigated marathon course.

A circular half marathon trail run on the Ridgeway that visits Ashdown House and the original White Horse Hill. The route is described as undulating and the event is held under UK Athletics rules with a Trail Running Association permit.

Trail races at Summerleaze Park near Maidenhead offer 5K, 10K and a half marathon on flat, soft-trail terrain beside Summerleaze Lake. The event includes chip timing, medals and race photos and supports Maidenhead United Community Trust.

A new 10 km trail race at Langdon Nature Discovery Park on 26 July 2026, with a kiddies race, limited parking and funds raised for local conservation and health charities.

A self-navigation trail in Hatfield Peverel offering 13, 7 and 4 mile routes with no markings or marshalls, a supplied narrative, on-course drinks for the 13 miler and a post-race ploughmans lunch included.

Trail run with music around Calke Abbey, meeting at Ticknall Village Hall Car Park. Free entry and parking, a roughly 8 km route within a 90 minute session, organised by Run 4 U & Perform Running Club.

A looped trail event from Guildford across the North Downs in Surrey offering 50 km, 25 km and 10 km options with covered rest stops, GPS tracking, medical support, camping and shuttle transfers, plus a finishers medal and t shirt.

MacTuffX London at Finsbury Park on 1 August 2026 combines ten prescribed Xercises with either 10x400m or 10x800m running, offered in Solo, Doubles, and Relay formats; a LITE weight division is available and entrants must be 18 or over.

Third race of the Forest Five mile series on 1 August 2026, held as Orion Harriers' ELVIS fixture. The event awards individual and team trophies and offers a discounted series rate with age-category aggregate prizes.

Experience a flat multi-terrain race through the historic grade II listed grounds of Elvaston Castle Country Park. Choose between chip-timed 5k, 10k, and half marathon distances in a scenic parkland setting.

A trail marathon and half marathon on part of the Vanguard Way national trail on Sunday 2 August 2026, featuring varied parkland and North Downs terrain, course maps, photos and published results.

Circular canal and river routes around Birmingham offering three distances: 18.5, 26.5 and 30 miles. Mostly off road and flat, routes start and finish at Moseley Rugby Club and pass city canals, reservoirs and industrial heritage.

A 49-mile point-to-point ultramarathon from Travelodge Oxford Abingdon Road to Henley-on-Thames along the Thames Path, with three checkpoints supplying water and food. Finishers receive a bespoke medal and a technical t-shirt, mug or hat.

A timed Friday run on a 5.3 km out and back towpath loop along the River Thames. The event is promoted as a ten pound charity entry for Rays of Sunshine and includes a double sided finisher medal.

Dinosaur Dash at Roarr! Dinosaur Adventure on 7 August 2026 offers a junior 2.5K, a 5K for ages 11+, and a 100m Diddy Dash for under-6s, with chip timing, medals, trophies, onsite refreshments and first aid.

A 47 mile point to point ultramarathon along the Thames from Henley to Kingston, with three checkpoints offering food and drink, mandatory navigation kit and a required average pace to remain in the race.

A 12 hour multi terrain lap event at Riverside Park, St Neots, held alongside two triathlons as part of a festival. Entries are Solo, Pair or Teams of 3 to 6; awards, medals, family activities and camping are provided.