Trail Running calendar near Caldecotte Lake 2026-2027

A 100 mile off road loop event at Denbies Wine Estate on 20 June 2026, fully chip timed with up to 30 hours to finish. Multiple distances run concurrently, from half marathons to 100 miles, on a roughly flat 1 mile loop.

A marathon and half marathon at Denbies Wine Estate on Saturday 20 June 2026. The event uses a relatively flat one mile loop, offers a flexible start window with up to 30 hours to finish and is fully chip timed.

A 24 hour challenge at Denbies Wine Estate where participants run one mile at the same time each hour for 24 consecutive hours. The event runs attended and virtual versions simultaneously and includes camping, 24 hour toilets and chip timin..

Experience the beauty of the South Downs National Park with distances ranging from 30km to a 100km nonstop ultramarathon. Enjoy fully supported trails passing historic landmarks and stunning coastal vistas near Chichester Harbour.

A summer challenge on the Malvern Hills offering 27 mile and 15 mile routes with substantial ascent, checkpoints and a hot finish meal. The event is based at Colwall Village Hall and is currently full with a waiting list.

Join the Phoenix Hydra 75 Mile Ultra at Denbies Wine Estate in Dorking for a scenic 1 mile off road loop with chip timing and a staffed aid station. Distances run from 12 hour to 100 miles and all entrants receive a free memento.

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.

NoMad Ultra on 20th June 2026 offers 50 mile and 50 km solo options plus a six person relay on waymarked trails around Derbyshire, with checkpoint support, GPS timing and finishers receiving a medal and Technical T Shirt.

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..

Experience the twilight beauty of Ardingly Reservoir during this midsummer evening run. Choose between a 5k or 10k distance on a scenic undulating trail featuring a fully stocked aid station and finisher medals for all.

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 5k muddy obstacle course at Holme Pierrepont in Nottingham organised by Cancer Research UK. The course mixes paths, grass and woodland and runs in staggered waves; facilities include toilets, refreshments and on site parking.

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.

Celebrate the longest day at the Summer Solstice Challenge around Abberton Reservoir, a timed loop with 5 km laps. Run as many laps as you like, earn a medal and support Essex Wildlife Trust.

A 21.2 km trail half marathon at Dunstable Downs on 21 June 2026 featuring 450 m of ascent, marked trails, two aid stations, route downloads, and a 250 runner limit.

Volunteer organised trail races on Horsell Common with family friendly distances from a 2 km kids race to a 21 km option. Proceeds support local charities and the event emphasises minimal environmental impact.

A trail half marathon and 10k on Wimbledon Common on 21 June 2026, organised by RunThrough to support Beder. The event features waymarked routes, chip timed results, a themed medal and an event village with refreshments.

A 10 km trail run at Twisted Tree Brewery on the Tusmore Estate near Bicester. Mostly off-road with a canicross option, chip timing, medal, pint cup and a free drink included.

Circular cross country event from Baldock offering 26 and 18 mile routes across grassland, fields and woodland with checkpoint refreshments and a finish certificate. Minimum age 14 and entries close 13 June or when the 175 limit is reached.

Trail races in Trent Country Park, Enfield offering 2 km, 4.5 km and 10 km distances. The senior race is chip timed and run under UKA rules while junior and fun races have additional marshals.