Trail Running calendar near Princes Risborough 2026-2027

A timed track event in Walton on Thames on 2 October 2026 offering 6, 12 and 24 hour formats with chip timing, 400 m laps and distance options from 5 km up to 100 mile equivalents. The track is limited to 100 runners at once.

A single-loop 100 mile trail from Plumpton Racecourse in the South Downs National Park, featuring over 12,000 ft of elevation, 12 aid stations, a 34 hour cutoff and free onsite camping. The race forms part of the South Downs Triple Crown.

Guided 30 mile trail run on the North Downs Way around Guildford on 3 October 2026. Group paced with route support and basic kit guidance, recommended for runners who have completed long training runs.

A non timed inflatable obstacle event at Kempton Park Racecourse in Sunbury on Thames, Surrey. Choose from 2.5k, 5k, 10k or 15k laps with music zones, a finisher medal, on course water and event photography.

Camino Ultra lists the Epping Forest 50 km in London for 3 October 2026, with the published location at Capel Road E12 5DB. The race is shown as part of the organiser's 2026 events programme.

A 25 km EcoTrail run in Bell Common, Epping on 3 October 2026, presented as part of a London based ultramarathon event series.

Night trail races on the South Downs around Plumpton Racecourse begin at dusk and run into darkness, with 50 km, half marathon and 20 mile options. The course is fully marked and supported with aid stations and marshals.

Trail running at Queen Elizabeth Country Park on 3 October 2026 with five distances from 5 km to 51 km, routes on the South Downs Way through chalk downs, woodlands and ridgeways, and outposts on the longer courses for top-ups.

A 10th anniversary five mile chip timed cross country and canicross event across the Upper Wreake valley, with varied terrain and village hall race headquarters; limited to 200 entrants and open to runners aged 12 and over.

Guided 30 mile trail run on the North Downs Way from St Martha's Hill, featuring Box Hill and Denbies Wine Estate. Group-paced with coach support, aimed at first-time ultra runners; a post-run alcohol-free beer may be provided.

Wild Run Cotswolds showcases rugged off road trails on a private estate with fully marked routes, chip timing and a family friendly supporter zone. Entries are limited to 600; choose 10K, half, marathon or the six hour 360 challenge.

Scenic out and back races along the Thames Path from Petersham & Ham Sea Scouts HQ to Barnes, offered as 10 km, half marathon and marathon options with staffed checkpoints and medical cover.

A Thames Valley LDWA challenge walk in Marlow on 4 October 2026 offering three distances up to 50 km, limited to 150 entrants, with checkpoint timing, mandatory kit requirements and online entry.

A coastal ultramarathon along the Essex saltmarsh of about 50 miles finishing in Maldon, fully supported with GPS tracking, regular aid stations and shuttle transfers between finish and start.

MacTuffX Brierley Hill on 4 October 2026 is a functional fitness race in the West Midlands combining ten Xercises with repeated runs across two distance formats. Entries are solo, doubles or five-person relays and all entrants must be 18 or..

Experience a scenic multi terrain race through East Grinstead dedicated to local charities. This friendly event features a flat course along bridleways and residential roads with chip timing and a sustainable finisher medal.

Timed trail event in the Forest of Bere using a 3.28 mile out and back lap with distances from 5 km to ultra. Aid station offers sweet and savoury food including potatoes and vegan options; 20% of proceeds support Forestry England.

A RunForestRun organised in-person event at RAF Greenham Common offering a half marathon and a 10 km race on 4 October 2026, with tickets priced from £25.63 and a no refunds policy.

A point to point marathon on 4 October 2026 from Salisbury to Winchester along the Clarendon Way. Over 90% of the 26.2 miles is off road and a five mile Mini option is also available.

A chip timed 10 km trail race on 4 October 2026 through Somerset countryside, passing a prehistoric long barrow. The event includes a bespoke medal, Race Nation app support, camping nearby and proceeds shared with two charities.